./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.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_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/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_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/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_a90118d8-7847-41c0-8d9a-1276fc38d4ea/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 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 ...................................................................................................................................................................................................................................................................................................................... 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 09:16:50,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:16:50,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:16:50,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:16:50,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:16:50,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:16:50,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:16:50,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:16:50,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:16:50,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:16:50,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:16:50,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:16:50,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:16:50,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:16:50,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:16:50,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:16:50,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:16:50,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:16:50,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:16:50,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:16:50,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:16:50,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:16:50,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:16:50,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:16:50,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:16:50,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:16:50,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:16:50,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:16:51,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:16:51,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:16:51,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:16:51,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:16:51,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:16:51,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:16:51,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:16:51,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:16:51,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:16:51,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:16:51,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:16:51,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:16:51,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:16:51,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:16:51,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:16:51,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:16:51,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:16:51,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:16:51,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:16:51,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:16:51,073 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:16:51,073 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:16:51,073 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:16:51,074 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:16:51,075 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:16:51,075 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:16:51,075 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:16:51,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:16:51,076 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:16:51,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:16:51,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:16:51,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:16:51,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:16:51,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:16:51,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:16:51,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:16:51,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:16:51,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:16:51,078 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:16:51,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:16:51,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:16:51,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:16:51,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:16:51,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:16:51,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:16:51,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:16:51,082 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:16:51,082 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_a90118d8-7847-41c0-8d9a-1276fc38d4ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2021-10-28 09:16:51,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:16:51,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:16:51,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:16:51,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:16:51,402 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:16:51,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-28 09:16:51,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/data/2fd32da2a/f6bd032eeabb4fb69406a8b7b861c880/FLAG27b438b56 [2021-10-28 09:16:52,064 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:16:52,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-28 09:16:52,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/data/2fd32da2a/f6bd032eeabb4fb69406a8b7b861c880/FLAG27b438b56 [2021-10-28 09:16:52,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/data/2fd32da2a/f6bd032eeabb4fb69406a8b7b861c880 [2021-10-28 09:16:52,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:16:52,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:16:52,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:16:52,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:16:52,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:16:52,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536832ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52, skipping insertion in model container [2021-10-28 09:16:52,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:16:52,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:16:52,628 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_a90118d8-7847-41c0-8d9a-1276fc38d4ea/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-10-28 09:16:52,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:16:52,725 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:16:52,790 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_a90118d8-7847-41c0-8d9a-1276fc38d4ea/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-10-28 09:16:52,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:16:52,845 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:16:52,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52 WrapperNode [2021-10-28 09:16:52,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:16:52,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:16:52,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:16:52,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:16:52,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:16:52,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:16:52,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:16:52,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:16:52,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:16:52,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:16:52,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:16:52,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:16:52,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (1/1) ... [2021-10-28 09:16:52,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:16:52,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:52,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:16:52,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:16:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:16:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:16:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:16:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:16:53,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:16:53,910 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-28 09:16:53,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:53 BoogieIcfgContainer [2021-10-28 09:16:53,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:16:53,913 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:16:53,913 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:16:53,917 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:16:53,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:16:53,918 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:16:52" (1/3) ... [2021-10-28 09:16:53,920 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b0a67ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:16:53, skipping insertion in model container [2021-10-28 09:16:53,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:16:53,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:52" (2/3) ... [2021-10-28 09:16:53,921 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b0a67ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:16:53, skipping insertion in model container [2021-10-28 09:16:53,921 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:16:53,921 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:53" (3/3) ... [2021-10-28 09:16:53,923 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2021-10-28 09:16:53,986 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:16:53,986 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:16:53,986 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:16:53,987 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:16:53,987 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:16:53,987 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:16:53,987 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:16:53,987 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:16:54,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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 09:16:54,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-28 09:16:54,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:16:54,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:16:54,027 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:16:54,028 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:54,028 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:16:54,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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 09:16:54,033 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-28 09:16:54,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:16:54,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:16:54,034 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:16:54,034 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:54,039 INFO L791 eck$LassoCheckResult]: Stem: 45#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(13);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string35.base, #t~string35.offset, 1);call write~init~int(77, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(101, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(116, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(104, #t~string35.base, 4 + #t~string35.offset, 1);call write~init~int(58, #t~string35.base, 5 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 6 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string37.base, #t~string37.offset, 1);call write~init~int(82, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(73, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(84, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 4 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string39.base, #t~string39.offset, 1);call write~init~int(75, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 2 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string41.base, #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 1 + #t~string41.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 36#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 13#L393true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 8#L401true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 49#L140true assume 0 != main_~tmp~0; 39#L113true havoc test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 47#L353-1true [2021-10-28 09:16:54,039 INFO L793 eck$LassoCheckResult]: Loop: 47#L353-1true assume !false; 22#L288true assume test_~splverifierCounter~0 < 4; 31#L289true test_~tmp~1 := test_#t~nondet25;havoc test_#t~nondet25; 28#L297true assume !(0 != test_~tmp~1); 27#L297-1true test_~tmp___0~0 := test_#t~nondet26;havoc test_#t~nondet26; 10#L307true assume !(0 != test_~tmp___0~0); 20#L307-1true test_~tmp___2~0 := test_#t~nondet27;havoc test_#t~nondet27; 6#L317true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 30#L325-2true assume !(0 != ~pumpRunning~0); 52#L169true assume 0 != ~systemActive~0; 40#L176true havoc __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_#t~ret30, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 21#L450true __utac_acc__Specification1_spec__1_#t~ret29 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret29;havoc __utac_acc__Specification1_spec__1_#t~ret29; 23#L353true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 47#L353-1true [2021-10-28 09:16:54,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:54,045 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 09:16:54,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:54,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209694767] [2021-10-28 09:16:54,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:54,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:16:54,346 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:16:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:16:54,526 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:16:54,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:54,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2021-10-28 09:16:54,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:54,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363116103] [2021-10-28 09:16:54,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:54,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:16:54,538 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:16:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:16:54,549 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:16:54,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2021-10-28 09:16:54,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:54,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666413088] [2021-10-28 09:16:54,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:54,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:16:54,625 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:16:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:16:54,723 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:18:06,191 WARN L207 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 09:19:14,970 WARN L207 SmtUtils]: Spent 33.97 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 09:19:15,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:19:15 BoogieIcfgContainer [2021-10-28 09:19:15,185 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:19:15,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:19:15,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:19:15,187 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:19:15,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:53" (3/4) ... [2021-10-28 09:19:15,190 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:19:15,248 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:19:15,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:19:15,250 INFO L168 Benchmark]: Toolchain (without parser) took 142916.60 ms. Allocated memory was 132.1 MB in the beginning and 165.7 MB in the end (delta: 33.6 MB). Free memory was 97.2 MB in the beginning and 74.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 56.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:15,251 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory is still 33.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:19:15,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.31 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 99.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:15,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.44 ms. Allocated memory is still 132.1 MB. Free memory was 99.0 MB in the beginning and 96.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:15,254 INFO L168 Benchmark]: Boogie Preprocessor took 36.40 ms. Allocated memory is still 132.1 MB. Free memory was 96.3 MB in the beginning and 94.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:15,255 INFO L168 Benchmark]: RCFGBuilder took 968.40 ms. Allocated memory is still 132.1 MB. Free memory was 94.9 MB in the beginning and 60.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:15,256 INFO L168 Benchmark]: BuchiAutomizer took 141272.53 ms. Allocated memory was 132.1 MB in the beginning and 165.7 MB in the end (delta: 33.6 MB). Free memory was 60.0 MB in the beginning and 77.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 59.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:15,257 INFO L168 Benchmark]: Witness Printer took 62.80 ms. Allocated memory is still 165.7 MB. Free memory was 77.3 MB in the beginning and 74.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:15,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory is still 33.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 511.31 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 99.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.44 ms. Allocated memory is still 132.1 MB. Free memory was 99.0 MB in the beginning and 96.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.40 ms. Allocated memory is still 132.1 MB. Free memory was 96.3 MB in the beginning and 94.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 968.40 ms. Allocated memory is still 132.1 MB. Free memory was 94.9 MB in the beginning and 60.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 141272.53 ms. Allocated memory was 132.1 MB in the beginning and 165.7 MB in the end (delta: 33.6 MB). Free memory was 60.0 MB in the beginning and 77.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 59.1 MB. Max. memory is 16.1 GB. * Witness Printer took 62.80 ms. Allocated memory is still 165.7 MB. Free memory was 77.3 MB in the beginning and 74.2 MB in the end (delta: 3.0 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 141.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 141.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 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: 287]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=31825} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=31840, NULL=0, retValue_acc=0, NULL=31825, NULL=31827, NULL=0, NULL=0, NULL=0, NULL=31850, NULL=31829, NULL=31844, methaneLevelCritical=0, NULL=31848, NULL=0, NULL=0, NULL=31835, NULL=31832, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=31849, NULL=31846, cleanupTimeShifts=4, tmp=0, NULL=31841, NULL=0, systemActive=1, waterLevel=1, NULL=31831, NULL=0, NULL=0, NULL=31851, NULL=0, retValue_acc=0, tmp___0=0, NULL=31833, NULL=31838, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7972de86=0, \result=1, NULL=31836, head=0, pumpRunning=0, tmp=1, \result=0, NULL=31828, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e8fae89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@330cb7bd=52, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26bbf23a=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1286f722=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@264826a5=0, tmp=0, NULL=0, NULL=31842, retValue_acc=1, NULL=31845, NULL=31837, NULL=0, NULL=0, NULL=0, NULL=0, NULL=31853, tmp___2=52, splverifierCounter=0, NULL=0, \result=0, NULL=31826, NULL=31839, NULL=31830, head=0, NULL=31852, NULL=0, NULL=0, NULL=0, NULL=0, NULL=31847, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@391d7dc=0, NULL=0, NULL=31834, NULL=31843} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND TRUE \read(tmp___2) [L272] systemActive = 1 [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L346] int tmp ; [L347] int tmp___0 ; [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:19:15,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a90118d8-7847-41c0-8d9a-1276fc38d4ea/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...