./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY --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 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:31:22,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:31:22,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:31:22,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:31:22,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:31:22,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:31:22,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:31:22,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:31:22,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:31:22,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:31:22,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:31:22,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:31:22,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:31:22,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:31:22,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:31:22,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:31:22,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:31:22,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:31:22,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:31:22,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:31:22,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:31:22,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:31:22,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:31:22,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:31:22,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:31:22,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:31:22,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:31:22,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:31:22,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:31:22,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:31:22,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:31:22,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:31:22,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:31:22,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:31:22,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:31:22,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:31:22,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:31:22,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:31:22,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:31:22,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:31:22,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:31:22,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 08:31:22,717 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:31:22,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:31:22,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:31:22,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:31:22,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:31:22,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:31:22,727 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:31:22,727 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 08:31:22,728 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 08:31:22,728 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 08:31:22,729 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 08:31:22,730 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 08:31:22,730 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 08:31:22,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:31:22,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:31:22,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:31:22,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:31:22,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:31:22,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:31:22,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 08:31:22,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 08:31:22,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 08:31:22,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:31:22,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:31:22,733 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 08:31:22,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:31:22,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 08:31:22,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:31:22,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:31:22,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:31:22,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:31:22,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:31:22,739 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 08:31:22,739 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_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d [2021-11-07 08:31:23,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:31:23,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:31:23,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:31:23,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:31:23,232 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:31:23,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-11-07 08:31:23,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/data/59ecbd1e1/d98d25a08c0f4ade9dc1d565d02f7c73/FLAG09160e28a [2021-11-07 08:31:23,938 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:31:23,939 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-11-07 08:31:23,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/data/59ecbd1e1/d98d25a08c0f4ade9dc1d565d02f7c73/FLAG09160e28a [2021-11-07 08:31:24,248 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/data/59ecbd1e1/d98d25a08c0f4ade9dc1d565d02f7c73 [2021-11-07 08:31:24,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:31:24,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:31:24,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:31:24,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:31:24,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:31:24,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:24,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49beaa85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24, skipping insertion in model container [2021-11-07 08:31:24,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:24,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:31:24,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:31:24,528 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_cda932a8-52b5-4650-8851-89d7c912ab6e/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1605,1618] [2021-11-07 08:31:24,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:31:24,686 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:31:24,704 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_cda932a8-52b5-4650-8851-89d7c912ab6e/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1605,1618] [2021-11-07 08:31:24,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:31:24,853 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:31:24,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24 WrapperNode [2021-11-07 08:31:24,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:31:24,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:31:24,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:31:24,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:31:24,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:24,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:24,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:31:24,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:31:24,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:31:24,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:31:24,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:24,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:24,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:24,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:25,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:25,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:25,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:25,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:31:25,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:31:25,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:31:25,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:31:25,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (1/1) ... [2021-11-07 08:31:25,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:31:25,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:31:25,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:31:25,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 08:31:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:31:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:31:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:31:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:31:26,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:31:26,223 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-11-07 08:31:26,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:26 BoogieIcfgContainer [2021-11-07 08:31:26,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:31:26,227 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 08:31:26,227 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 08:31:26,231 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 08:31:26,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:31:26,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 08:31:24" (1/3) ... [2021-11-07 08:31:26,235 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61e3cfc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:31:26, skipping insertion in model container [2021-11-07 08:31:26,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:31:26,235 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:24" (2/3) ... [2021-11-07 08:31:26,236 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61e3cfc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:31:26, skipping insertion in model container [2021-11-07 08:31:26,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:31:26,236 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:26" (3/3) ... [2021-11-07 08:31:26,238 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2021-11-07 08:31:26,293 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 08:31:26,293 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 08:31:26,293 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 08:31:26,293 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 08:31:26,294 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 08:31:26,294 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 08:31:26,294 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 08:31:26,294 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 08:31:26,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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) [2021-11-07 08:31:26,341 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-11-07 08:31:26,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:31:26,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:31:26,350 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:31:26,351 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:31:26,351 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 08:31:26,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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) [2021-11-07 08:31:26,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-11-07 08:31:26,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:31:26,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:31:26,359 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:31:26,359 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:31:26,365 INFO L791 eck$LassoCheckResult]: Stem: 49#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 39#L-1true havoc main_#res;havoc main_#t~ret66, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 48#L869true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 22#L877true main_#t~ret66 := valid_product_#res;main_~tmp~6 := main_#t~ret66;havoc main_#t~ret66; 8#L752true assume 0 != main_~tmp~6; 12#L725true ~methAndRunningLastTime~0 := 0; 53#L633true havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 46#L644-1true [2021-11-07 08:31:26,366 INFO L793 eck$LassoCheckResult]: Loop: 46#L644-1true assume !false; 33#L440true assume test_~splverifierCounter~0 < 4; 23#L441true test_~tmp~3 := test_#t~nondet42;havoc test_#t~nondet42; 4#L449true assume !(0 != test_~tmp~3); 28#L449-1true test_~tmp___0~0 := test_#t~nondet43;havoc test_#t~nondet43; 11#L459true assume !(0 != test_~tmp___0~0); 41#L459-1true test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 14#L469true assume 0 != test_~tmp___2~0; 30#L475-2true assume !(0 != ~pumpRunning~0); 44#L509true assume 0 != ~systemActive~0; 19#L516true havoc __utac_acc__Specification2_spec__2_#t~ret64, __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 7#L810true __utac_acc__Specification2_spec__2_#t~ret64 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret64;havoc __utac_acc__Specification2_spec__2_#t~ret64; 38#L644true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 46#L644-1true [2021-11-07 08:31:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:31:26,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-11-07 08:31:26,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:31:26,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070994251] [2021-11-07 08:31:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:31:26,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:31:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:31:26,659 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:31:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:31:26,879 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:31:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:31:26,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1709485, now seen corresponding path program 1 times [2021-11-07 08:31:26,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:31:26,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543431041] [2021-11-07 08:31:26,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:31:26,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:31:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:31:26,911 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:31:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:31:26,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:31:26,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:31:26,940 INFO L85 PathProgramCache]: Analyzing trace with hash 835005991, now seen corresponding path program 1 times [2021-11-07 08:31:26,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:31:26,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038574108] [2021-11-07 08:31:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:31:26,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:31:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:31:27,047 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:31:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:31:27,204 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:32:29,523 WARN L207 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-11-07 08:33:26,264 WARN L207 SmtUtils]: Spent 28.55 s on a formula simplification that was a NOOP. DAG size: 435 [2021-11-07 08:33:26,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 08:33:26 BoogieIcfgContainer [2021-11-07 08:33:26,434 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 08:33:26,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:33:26,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:33:26,435 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:33:26,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:26" (3/4) ... [2021-11-07 08:33:26,437 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-07 08:33:26,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:33:26,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:33:26,485 INFO L168 Benchmark]: Toolchain (without parser) took 122231.66 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 48.9 MB in the beginning and 49.0 MB in the end (delta: -78.7 kB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:33:26,485 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 66.5 MB in the beginning and 66.5 MB in the end (delta: 47.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:33:26,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.19 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 48.8 MB in the beginning and 97.4 MB in the end (delta: -48.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:33:26,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.34 ms. Allocated memory is still 132.1 MB. Free memory was 97.4 MB in the beginning and 94.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:33:26,487 INFO L168 Benchmark]: Boogie Preprocessor took 84.33 ms. Allocated memory is still 132.1 MB. Free memory was 94.4 MB in the beginning and 92.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:33:26,488 INFO L168 Benchmark]: RCFGBuilder took 1178.14 ms. Allocated memory is still 132.1 MB. Free memory was 92.3 MB in the beginning and 75.3 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 08:33:26,489 INFO L168 Benchmark]: BuchiAutomizer took 120207.67 ms. Allocated memory is still 132.1 MB. Free memory was 75.3 MB in the beginning and 51.1 MB in the end (delta: 24.2 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:33:26,489 INFO L168 Benchmark]: Witness Printer took 48.48 ms. Allocated memory is still 132.1 MB. Free memory was 51.1 MB in the beginning and 49.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:33:26,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 66.5 MB in the beginning and 66.5 MB in the end (delta: 47.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 596.19 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 48.8 MB in the beginning and 97.4 MB in the end (delta: -48.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.34 ms. Allocated memory is still 132.1 MB. Free memory was 97.4 MB in the beginning and 94.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.33 ms. Allocated memory is still 132.1 MB. Free memory was 94.4 MB in the beginning and 92.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1178.14 ms. Allocated memory is still 132.1 MB. Free memory was 92.3 MB in the beginning and 75.3 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 120207.67 ms. Allocated memory is still 132.1 MB. Free memory was 75.3 MB in the beginning and 51.1 MB in the end (delta: 24.2 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. * Witness Printer took 48.48 ms. Allocated memory is still 132.1 MB. Free memory was 51.1 MB in the beginning and 49.0 MB in the end (delta: 2.1 MB). There was no memory consumed. 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 120.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 120.0s. 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: 439]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=28808} State at position 1 is {NULL=0, NULL=28832, NULL=0, NULL=28808, retValue_acc=0, NULL=0, NULL=28835, NULL=28822, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3277b071=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@599f8aa1=78, NULL=28809, methaneLevelCritical=0, NULL=28818, tmp=0, NULL=0, NULL=28814, tmp___1=0, NULL=28834, NULL=0, NULL=0, NULL=28826, NULL=28820, NULL=28831, cleanupTimeShifts=4, NULL=28821, NULL=28816, NULL=28827, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@180bcd91=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@716bd6e5=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b1400fd=0, NULL=28833, \result=1, head=0, pumpRunning=0, NULL=28811, NULL=28830, \result=0, NULL=28836, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=28819, retValue_acc=1, NULL=28817, NULL=0, NULL=0, NULL=28824, NULL=0, tmp___2=78, tmp___0=0, NULL=28828, NULL=28823, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=28815, NULL=28829, NULL=28810, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39edd8fd=0, NULL=28813, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@315e427e=0, head=0, NULL=0, NULL=0, NULL=28812, NULL=0, NULL=0, tmp=0, NULL=28825} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L627] int methAndRunningLastTime ; [L666] int cleanupTimeShifts = 4; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; [L743] int retValue_acc ; [L744] int tmp ; [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); [L750] tmp = valid_product() [L752] COND TRUE \read(tmp) [L632] methAndRunningLastTime = 0 [L430] int splverifierCounter ; [L431] int tmp ; [L432] int tmp___0 ; [L433] int tmp___1 ; [L434] int tmp___2 ; [L437] splverifierCounter = 0 Loop: [L439] COND TRUE 1 [L441] COND TRUE splverifierCounter < 4 [L447] tmp = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp)) [L457] tmp___0 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___0)) [L467] tmp___2 = __VERIFIER_nondet_int() [L469] COND TRUE \read(tmp___2) [L509] COND FALSE !(\read(pumpRunning)) [L516] COND TRUE \read(systemActive) [L637] int tmp ; [L638] int tmp___0 ; [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] return (retValue_acc); [L642] tmp = isMethaneLevelCritical() [L644] COND FALSE !(\read(tmp)) [L660] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-07 08:33:26,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda932a8-52b5-4650-8851-89d7c912ab6e/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)