./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8 --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 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:48:31,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:48:31,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:48:31,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:48:31,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:48:31,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:48:31,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:48:31,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:48:31,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:48:31,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:48:31,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:48:31,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:48:31,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:48:31,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:48:31,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:48:31,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:48:31,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:48:31,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:48:31,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:48:31,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:48:31,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:48:31,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:48:31,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:48:31,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:48:31,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:48:31,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:48:31,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:48:31,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:48:31,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:48:31,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:48:31,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:48:31,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:48:31,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:48:31,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:48:31,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:48:31,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:48:31,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:48:31,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:48:31,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:48:31,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:48:31,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:48:31,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 15:48:31,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:48:31,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:48:31,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:48:31,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:48:31,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:48:31,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:48:31,382 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:48:31,382 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 15:48:31,382 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 15:48:31,382 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 15:48:31,382 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 15:48:31,382 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 15:48:31,382 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 15:48:31,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:48:31,383 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:48:31,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:48:31,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:48:31,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:48:31,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:48:31,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 15:48:31,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 15:48:31,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 15:48:31,384 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:48:31,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:48:31,384 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 15:48:31,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:48:31,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 15:48:31,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:48:31,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:48:31,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:48:31,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:48:31,386 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 15:48:31,386 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_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef [2022-12-13 15:48:31,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:48:31,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:48:31,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:48:31,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:48:31,607 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:48:31,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2022-12-13 15:48:34,181 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:48:34,349 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:48:34,349 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2022-12-13 15:48:34,358 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/data/14ae44cbd/f738b42afba84678ab6bff791c5d3745/FLAG8ea1d293c [2022-12-13 15:48:34,369 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/data/14ae44cbd/f738b42afba84678ab6bff791c5d3745 [2022-12-13 15:48:34,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:48:34,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:48:34,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:48:34,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:48:34,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:48:34,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c89bfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34, skipping insertion in model container [2022-12-13 15:48:34,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:48:34,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:48:34,554 WARN L237 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_37a4031f-4cce-4f0f-bcbc-355ea68c735f/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2022-12-13 15:48:34,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:48:34,613 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:48:34,625 WARN L237 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_37a4031f-4cce-4f0f-bcbc-355ea68c735f/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2022-12-13 15:48:34,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:48:34,668 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:48:34,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34 WrapperNode [2022-12-13 15:48:34,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:48:34,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:48:34,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:48:34,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:48:34,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,702 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 49, statements flattened = 328 [2022-12-13 15:48:34,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:48:34,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:48:34,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:48:34,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:48:34,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,720 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:48:34,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:48:34,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:48:34,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:48:34,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (1/1) ... [2022-12-13 15:48:34,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:48:34,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:48:34,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:48:34,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 15:48:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:48:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:48:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:48:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:48:34,847 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:48:34,848 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:48:35,044 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:48:35,049 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:48:35,049 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:48:35,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:48:35 BoogieIcfgContainer [2022-12-13 15:48:35,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:48:35,052 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 15:48:35,052 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 15:48:35,055 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 15:48:35,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:48:35,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 03:48:34" (1/3) ... [2022-12-13 15:48:35,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c1e0853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:48:35, skipping insertion in model container [2022-12-13 15:48:35,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:48:35,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:48:34" (2/3) ... [2022-12-13 15:48:35,057 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c1e0853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:48:35, skipping insertion in model container [2022-12-13 15:48:35,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:48:35,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:48:35" (3/3) ... [2022-12-13 15:48:35,058 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2022-12-13 15:48:35,096 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 15:48:35,096 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 15:48:35,097 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 15:48:35,097 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 15:48:35,097 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 15:48:35,097 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 15:48:35,097 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 15:48:35,097 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 15:48:35,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:48:35,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-12-13 15:48:35,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:48:35,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:48:35,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:48:35,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:48:35,121 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 15:48:35,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:48:35,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-12-13 15:48:35,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:48:35,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:48:35,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:48:35,126 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:48:35,130 INFO L748 eck$LassoCheckResult]: Stem: 25#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 74#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 50#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 67#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 26#L295-2true [2022-12-13 15:48:35,131 INFO L750 eck$LassoCheckResult]: Loop: 26#L295-2true assume !false; 45#L296true assume test_~splverifierCounter~0#1 < 4; 29#L297true test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 57#L305true assume !(0 != test_~tmp~2#1); 97#L305-2true test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 38#L315true assume !(0 != test_~tmp___0~1#1); 71#L315-2true test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 65#L325true assume 0 != test_~tmp___2~0#1; 100#L331-2true assume { :begin_inline_timeShift } true; 70#L361true assume !(0 != ~pumpRunning~0); 86#L361-2true assume !(0 != ~systemActive~0); 88#L368-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 59#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 51#L173true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 94#L173-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 60#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 26#L295-2true [2022-12-13 15:48:35,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:48:35,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 15:48:35,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:48:35,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828865212] [2022-12-13 15:48:35,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:48:35,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:48:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:48:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:48:35,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:48:35,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1634785052, now seen corresponding path program 1 times [2022-12-13 15:48:35,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:48:35,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139558834] [2022-12-13 15:48:35,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:48:35,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:48:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:48:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:48:35,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:48:35,254 INFO L85 PathProgramCache]: Analyzing trace with hash -279365976, now seen corresponding path program 1 times [2022-12-13 15:48:35,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:48:35,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381668872] [2022-12-13 15:48:35,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:48:35,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:48:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:48:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:48:35,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:48:35,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381668872] [2022-12-13 15:48:35,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381668872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:48:35,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:48:35,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:48:35,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939713614] [2022-12-13 15:48:35,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:48:35,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:48:35,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:48:35,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:48:35,548 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:48:35,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:48:35,641 INFO L93 Difference]: Finished difference Result 263 states and 335 transitions. [2022-12-13 15:48:35,642 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 335 transitions. [2022-12-13 15:48:35,647 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2022-12-13 15:48:35,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 233 states and 305 transitions. [2022-12-13 15:48:35,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2022-12-13 15:48:35,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2022-12-13 15:48:35,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 305 transitions. [2022-12-13 15:48:35,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:48:35,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 233 states and 305 transitions. [2022-12-13 15:48:35,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 305 transitions. [2022-12-13 15:48:35,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 145. [2022-12-13 15:48:35,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 144 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:48:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2022-12-13 15:48:35,680 INFO L240 hiAutomatonCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-12-13 15:48:35,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:48:35,683 INFO L428 stractBuchiCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-12-13 15:48:35,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 15:48:35,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 190 transitions. [2022-12-13 15:48:35,685 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2022-12-13 15:48:35,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:48:35,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:48:35,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:48:35,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:48:35,686 INFO L748 eck$LassoCheckResult]: Stem: 445#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 446#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 438#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 439#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 429#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 430#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 389#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 390#L295-2 [2022-12-13 15:48:35,686 INFO L750 eck$LassoCheckResult]: Loop: 390#L295-2 assume !false; 447#L296 assume test_~splverifierCounter~0#1 < 4; 450#L297 test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 451#L305 assume !(0 != test_~tmp~2#1); 417#L305-2 test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 467#L315 assume !(0 != test_~tmp___0~1#1); 420#L315-2 test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 421#L325 assume 0 != test_~tmp___2~0#1; 410#L331-2 assume { :begin_inline_timeShift } true; 406#L361 assume !(0 != ~pumpRunning~0); 407#L361-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 425#L393 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 398#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 399#L393-1 assume { :end_inline_processEnvironment } true; 459#L368-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 460#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 477#L173 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 471#L173-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 472#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 390#L295-2 [2022-12-13 15:48:35,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:48:35,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 15:48:35,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:48:35,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997593962] [2022-12-13 15:48:35,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:48:35,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:48:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:48:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:48:35,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:48:35,700 INFO L85 PathProgramCache]: Analyzing trace with hash -313172338, now seen corresponding path program 1 times [2022-12-13 15:48:35,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:48:35,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435646101] [2022-12-13 15:48:35,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:48:35,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:48:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:48:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:48:35,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:48:35,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1988971082, now seen corresponding path program 1 times [2022-12-13 15:48:35,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:48:35,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983595026] [2022-12-13 15:48:35,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:48:35,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:48:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:48:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:35,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:48:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:36,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:48:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:48:36,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 03:48:36 BoogieIcfgContainer [2022-12-13 15:48:36,375 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 15:48:36,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:48:36,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:48:36,376 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:48:36,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:48:35" (3/4) ... [2022-12-13 15:48:36,379 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 15:48:36,422 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:48:36,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:48:36,423 INFO L158 Benchmark]: Toolchain (without parser) took 2050.88ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 59.1MB in the end (delta: 28.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-12-13 15:48:36,423 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:48:36,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.82ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 69.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 15:48:36,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.10ms. Allocated memory is still 125.8MB. Free memory was 69.3MB in the beginning and 66.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:48:36,424 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 125.8MB. Free memory was 66.7MB in the beginning and 64.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:48:36,425 INFO L158 Benchmark]: RCFGBuilder took 328.00ms. Allocated memory is still 125.8MB. Free memory was 64.9MB in the beginning and 87.5MB in the end (delta: -22.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-12-13 15:48:36,425 INFO L158 Benchmark]: BuchiAutomizer took 1323.53ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 62.2MB in the end (delta: 25.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-12-13 15:48:36,425 INFO L158 Benchmark]: Witness Printer took 46.31ms. Allocated memory is still 125.8MB. Free memory was 62.2MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:48:36,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.82ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 69.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.10ms. Allocated memory is still 125.8MB. Free memory was 69.3MB in the beginning and 66.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 125.8MB. Free memory was 66.7MB in the beginning and 64.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.00ms. Allocated memory is still 125.8MB. Free memory was 64.9MB in the beginning and 87.5MB in the end (delta: -22.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1323.53ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 62.2MB in the end (delta: 25.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Witness Printer took 46.31ms. Allocated memory is still 125.8MB. Free memory was 62.2MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 88 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 478 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 127 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 295]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L195] int waterLevel = 1; [L196] int methaneLevelCritical = 0; [L354] int pumpRunning = 0; [L355] int systemActive = 1; [L743] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L565] int retValue_acc ; [L568] retValue_acc = 1 [L569] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L340] CALL timeShift() [L361] COND FALSE !(\read(pumpRunning)) [L368] COND TRUE \read(systemActive) [L370] CALL processEnvironment() [L390] int tmp ; [L393] COND FALSE !(\read(pumpRunning)) [L408] FCALL processEnvironment__wrappee__base() [L370] RET processEnvironment() [L376] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L266] int retValue_acc ; [L269] retValue_acc = waterLevel [L270] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L376] RET __utac_acc__Specification4_spec__1() [L340] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 295]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L195] int waterLevel = 1; [L196] int methaneLevelCritical = 0; [L354] int pumpRunning = 0; [L355] int systemActive = 1; [L743] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L565] int retValue_acc ; [L568] retValue_acc = 1 [L569] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L340] CALL timeShift() [L361] COND FALSE !(\read(pumpRunning)) [L368] COND TRUE \read(systemActive) [L370] CALL processEnvironment() [L390] int tmp ; [L393] COND FALSE !(\read(pumpRunning)) [L408] FCALL processEnvironment__wrappee__base() [L370] RET processEnvironment() [L376] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L266] int retValue_acc ; [L269] retValue_acc = waterLevel [L270] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L376] RET __utac_acc__Specification4_spec__1() [L340] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 15:48:36,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a4031f-4cce-4f0f-bcbc-355ea68c735f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)