./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN --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 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 --- 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-6b4ec56 [2022-11-20 11:56:32,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:56:32,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:56:32,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:56:32,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:56:32,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:56:32,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:56:32,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:56:32,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:56:32,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:56:32,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:56:32,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:56:32,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:56:32,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:56:32,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:56:32,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:56:32,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:56:32,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:56:32,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:56:32,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:56:32,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:56:32,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:56:32,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:56:32,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:56:32,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:56:32,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:56:32,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:56:32,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:56:32,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:56:32,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:56:32,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:56:32,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:56:32,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:56:32,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:56:32,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:56:32,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:56:32,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:56:32,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:56:32,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:56:32,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:56:32,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:56:32,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 11:56:32,463 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:56:32,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:56:32,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:56:32,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:56:32,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:56:32,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:56:32,467 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:56:32,467 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:56:32,467 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:56:32,468 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:56:32,469 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:56:32,469 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:56:32,470 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:56:32,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:56:32,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:56:32,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:56:32,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:56:32,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:56:32,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:56:32,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:56:32,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:56:32,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:56:32,472 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:56:32,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:56:32,473 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:56:32,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:56:32,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:56:32,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:56:32,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:56:32,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:56:32,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:56:32,477 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:56:32,478 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_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 [2022-11-20 11:56:32,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:56:32,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:56:32,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:56:32,840 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:56:32,840 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:56:32,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2022-11-20 11:56:36,744 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:56:37,061 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:56:37,062 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2022-11-20 11:56:37,076 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/data/b6a16e05e/14e3db3f38ee46e48a3179059f8ef84e/FLAG4fdc17f80 [2022-11-20 11:56:37,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/data/b6a16e05e/14e3db3f38ee46e48a3179059f8ef84e [2022-11-20 11:56:37,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:56:37,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:56:37,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:56:37,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:56:37,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:56:37,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1120ce8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37, skipping insertion in model container [2022-11-20 11:56:37,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:56:37,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:56:37,568 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_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c[13732,13745] [2022-11-20 11:56:37,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:56:37,637 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:56:37,743 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_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c[13732,13745] [2022-11-20 11:56:37,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:56:37,804 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:56:37,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37 WrapperNode [2022-11-20 11:56:37,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:56:37,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:56:37,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:56:37,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:56:37,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,896 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 53, calls inlined = 80, statements flattened = 534 [2022-11-20 11:56:37,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:56:37,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:56:37,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:56:37,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:56:37,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:56:37,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:56:37,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:56:37,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:56:37,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (1/1) ... [2022-11-20 11:56:37,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:56:38,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:56:38,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:56:38,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:56:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:56:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:56:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:56:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:56:38,238 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:56:38,241 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:56:38,751 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:56:38,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:56:38,760 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 11:56:38,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:56:38 BoogieIcfgContainer [2022-11-20 11:56:38,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:56:38,765 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:56:38,765 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:56:38,770 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:56:38,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:56:38,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:56:37" (1/3) ... [2022-11-20 11:56:38,772 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4598c1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:56:38, skipping insertion in model container [2022-11-20 11:56:38,772 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:56:38,773 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:37" (2/3) ... [2022-11-20 11:56:38,773 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4598c1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:56:38, skipping insertion in model container [2022-11-20 11:56:38,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:56:38,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:56:38" (3/3) ... [2022-11-20 11:56:38,775 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2022-11-20 11:56:38,892 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:56:38,893 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:56:38,893 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:56:38,893 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:56:38,893 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:56:38,894 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:56:38,894 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:56:38,895 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:56:38,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 155 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:56:38,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-11-20 11:56:38,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:56:38,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:56:38,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:56:38,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:56:38,963 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:56:38,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 155 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:56:38,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-11-20 11:56:38,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:56:38,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:56:38,975 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:56:38,975 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:56:38,985 INFO L748 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 64#L573true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 121#L566true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 156#L581true main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 144#L680true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 104#L656true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 114#L901-2true [2022-11-20 11:56:38,989 INFO L750 eck$LassoCheckResult]: Loop: 114#L901-2true assume !false; 105#L902true assume test_~splverifierCounter~0#1 < 4; 113#L903true test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 68#L911true assume !(0 != test_~tmp~9#1); 20#L911-2true test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 122#L921true assume !(0 != test_~tmp___0~2#1); 37#L921-2true test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 10#L931true assume 0 != test_~tmp___2~0#1; 112#L937-2true assume { :begin_inline_timeShift } true; 15#L703true assume !(0 != ~pumpRunning~0); 103#L703-2true assume !(0 != ~systemActive~0); 76#L710-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 63#L136-1true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 6#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 152#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 40#L720true assume { :end_inline_timeShift } true; 114#L901-2true [2022-11-20 11:56:39,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:39,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-20 11:56:39,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:39,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869048148] [2022-11-20 11:56:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:39,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:39,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:56:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:39,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:56:39,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:39,287 INFO L85 PathProgramCache]: Analyzing trace with hash 679856854, now seen corresponding path program 1 times [2022-11-20 11:56:39,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:39,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095248415] [2022-11-20 11:56:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:39,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:39,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:56:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:39,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:56:39,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:39,350 INFO L85 PathProgramCache]: Analyzing trace with hash 2035275930, now seen corresponding path program 1 times [2022-11-20 11:56:39,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:39,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470053617] [2022-11-20 11:56:39,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:39,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:56:39,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:56:39,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470053617] [2022-11-20 11:56:39,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470053617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:56:39,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:56:39,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:56:39,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645549689] [2022-11-20 11:56:39,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:56:39,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:56:39,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:56:39,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:56:39,935 INFO L87 Difference]: Start difference. First operand has 156 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 155 states have internal predecessors, (210), 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) [2022-11-20 11:56:40,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:56:40,056 INFO L93 Difference]: Finished difference Result 153 states and 196 transitions. [2022-11-20 11:56:40,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 196 transitions. [2022-11-20 11:56:40,070 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-11-20 11:56:40,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 143 states and 186 transitions. [2022-11-20 11:56:40,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 143 [2022-11-20 11:56:40,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 143 [2022-11-20 11:56:40,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 143 states and 186 transitions. [2022-11-20 11:56:40,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:56:40,092 INFO L218 hiAutomatonCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-11-20 11:56:40,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states and 186 transitions. [2022-11-20 11:56:40,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-20 11:56:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 142 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:56:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 186 transitions. [2022-11-20 11:56:40,134 INFO L240 hiAutomatonCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-11-20 11:56:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:56:40,139 INFO L428 stractBuchiCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-11-20 11:56:40,139 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:56:40,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 186 transitions. [2022-11-20 11:56:40,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-11-20 11:56:40,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:56:40,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:56:40,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:56:40,143 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:56:40,144 INFO L748 eck$LassoCheckResult]: Stem: 467#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 407#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 408#L573 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 426#L566 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 463#L581 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 469#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 457#L656 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 395#L901-2 [2022-11-20 11:56:40,144 INFO L750 eck$LassoCheckResult]: Loop: 395#L901-2 assume !false; 458#L902 assume test_~splverifierCounter~0#1 < 4; 459#L903 test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 431#L911 assume !(0 != test_~tmp~9#1); 362#L911-2 test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 363#L921 assume !(0 != test_~tmp___0~2#1); 392#L921-2 test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 342#L931 assume 0 != test_~tmp___2~0#1; 344#L937-2 assume { :begin_inline_timeShift } true; 353#L703 assume !(0 != ~pumpRunning~0); 354#L703-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 454#L761 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 455#L735-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 466#L727-3 assume { :end_inline_processEnvironment__wrappee__base } true; 403#L735-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 428#L761-1 assume { :end_inline_processEnvironment } true; 437#L710-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 425#L136-1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 335#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 336#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 394#L720 assume { :end_inline_timeShift } true; 395#L901-2 [2022-11-20 11:56:40,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:40,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-20 11:56:40,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:40,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866542859] [2022-11-20 11:56:40,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:40,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:56:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:56:40,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:40,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1867532528, now seen corresponding path program 1 times [2022-11-20 11:56:40,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:40,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238510437] [2022-11-20 11:56:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:56:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:56:40,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1415863348, now seen corresponding path program 1 times [2022-11-20 11:56:40,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:40,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594879829] [2022-11-20 11:56:40,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:40,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:56:40,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:56:40,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594879829] [2022-11-20 11:56:40,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594879829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:56:40,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:56:40,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:56:40,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096180110] [2022-11-20 11:56:40,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:56:40,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:56:40,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:56:40,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:56:40,622 INFO L87 Difference]: Start difference. First operand 143 states and 186 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:56:40,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:56:40,856 INFO L93 Difference]: Finished difference Result 521 states and 682 transitions. [2022-11-20 11:56:40,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 521 states and 682 transitions. [2022-11-20 11:56:40,863 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 357 [2022-11-20 11:56:40,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 521 states to 521 states and 682 transitions. [2022-11-20 11:56:40,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 521 [2022-11-20 11:56:40,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 521 [2022-11-20 11:56:40,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 521 states and 682 transitions. [2022-11-20 11:56:40,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:56:40,872 INFO L218 hiAutomatonCegarLoop]: Abstraction has 521 states and 682 transitions. [2022-11-20 11:56:40,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states and 682 transitions. [2022-11-20 11:56:40,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 279. [2022-11-20 11:56:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 279 states have (on average 1.2939068100358424) internal successors, (361), 278 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:56:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 361 transitions. [2022-11-20 11:56:40,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 279 states and 361 transitions. [2022-11-20 11:56:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:56:40,896 INFO L428 stractBuchiCegarLoop]: Abstraction has 279 states and 361 transitions. [2022-11-20 11:56:40,897 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:56:40,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 361 transitions. [2022-11-20 11:56:40,899 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2022-11-20 11:56:40,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:56:40,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:56:40,900 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:56:40,900 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:56:40,900 INFO L748 eck$LassoCheckResult]: Stem: 1169#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1095#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1096#L573 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1116#L566 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1163#L581 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 1171#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1152#L656 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1082#L901-2 [2022-11-20 11:56:40,901 INFO L750 eck$LassoCheckResult]: Loop: 1082#L901-2 assume !false; 1153#L902 assume test_~splverifierCounter~0#1 < 4; 1154#L903 test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1287#L911 assume !(0 != test_~tmp~9#1); 1285#L911-2 test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1164#L921 assume !(0 != test_~tmp___0~2#1); 1077#L921-2 test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1026#L931 assume 0 != test_~tmp___2~0#1; 1028#L937-2 assume { :begin_inline_timeShift } true; 1036#L703 assume !(0 != ~pumpRunning~0); 1037#L703-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1148#L761 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1149#L735-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1168#L727-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1091#L735-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1118#L761-1 assume { :end_inline_processEnvironment } true; 1166#L710-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1114#L136-1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 1115#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1024#L168 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1025#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1206#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1081#L720 assume { :end_inline_timeShift } true; 1082#L901-2 [2022-11-20 11:56:40,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:40,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-20 11:56:40,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:40,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523377202] [2022-11-20 11:56:40,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:40,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:56:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:56:40,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:40,920 INFO L85 PathProgramCache]: Analyzing trace with hash 598823267, now seen corresponding path program 1 times [2022-11-20 11:56:40,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:40,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545641585] [2022-11-20 11:56:40,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:40,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:56:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:56:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:40,935 INFO L85 PathProgramCache]: Analyzing trace with hash 861208351, now seen corresponding path program 1 times [2022-11-20 11:56:40,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:40,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23050286] [2022-11-20 11:56:40,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:40,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:56:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:40,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:56:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:42,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:56:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:56:42,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:56:42 BoogieIcfgContainer [2022-11-20 11:56:42,427 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:56:42,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:56:42,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:56:42,429 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:56:42,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:56:38" (3/4) ... [2022-11-20 11:56:42,433 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 11:56:42,516 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:56:42,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:56:42,526 INFO L158 Benchmark]: Toolchain (without parser) took 5425.94ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 109.3MB in the beginning and 106.1MB in the end (delta: 3.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-11-20 11:56:42,526 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 58.1MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:56:42,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.30ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 90.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:56:42,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.93ms. Allocated memory is still 155.2MB. Free memory was 90.9MB in the beginning and 87.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:56:42,528 INFO L158 Benchmark]: Boogie Preprocessor took 79.94ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 85.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:56:42,528 INFO L158 Benchmark]: RCFGBuilder took 785.79ms. Allocated memory is still 155.2MB. Free memory was 85.3MB in the beginning and 108.2MB in the end (delta: -22.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-20 11:56:42,529 INFO L158 Benchmark]: BuchiAutomizer took 3662.62ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 108.2MB in the beginning and 109.3MB in the end (delta: -1.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-11-20 11:56:42,533 INFO L158 Benchmark]: Witness Printer took 97.07ms. Allocated memory is still 186.6MB. Free memory was 109.3MB in the beginning and 106.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:56:42,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 58.1MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.30ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 90.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.93ms. Allocated memory is still 155.2MB. Free memory was 90.9MB in the beginning and 87.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.94ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 85.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 785.79ms. Allocated memory is still 155.2MB. Free memory was 85.3MB in the beginning and 108.2MB in the end (delta: -22.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3662.62ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 108.2MB in the beginning and 109.3MB in the end (delta: -1.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Witness Printer took 97.07ms. Allocated memory is still 186.6MB. Free memory was 109.3MB in the beginning and 106.1MB 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 279 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 242 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, 1450 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1450 mSDsluCounter, 1317 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 853 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 464 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 901]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L93] int waterLevel = 1; [L94] int methaneLevelCritical = 0; [L351] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L577] int retValue_acc ; [L580] retValue_acc = 1 [L581] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L892] int splverifierCounter ; [L893] int tmp ; [L894] int tmp___0 ; [L895] int tmp___1 ; [L896] int tmp___2 ; [L899] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L901] COND TRUE 1 [L903] COND TRUE splverifierCounter < 4 [L909] tmp = __VERIFIER_nondet_int() [L911] COND FALSE !(\read(tmp)) [L919] tmp___0 = __VERIFIER_nondet_int() [L921] COND FALSE !(\read(tmp___0)) [L929] tmp___2 = __VERIFIER_nondet_int() [L931] COND TRUE \read(tmp___2) [L944] CALL timeShift() [L703] COND FALSE !(\read(pumpRunning)) [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L758] int tmp ; [L761] COND FALSE !(\read(pumpRunning)) [L776] CALL processEnvironment__wrappee__methaneQuery() [L732] int tmp ; [L735] COND FALSE !(\read(pumpRunning)) [L750] FCALL processEnvironment__wrappee__base() [L776] RET processEnvironment__wrappee__methaneQuery() [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L132] int retValue_acc ; [L135] retValue_acc = methaneLevelCritical [L136] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L164] int retValue_acc ; [L167] retValue_acc = waterLevel [L168] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L718] RET __utac_acc__Specification3_spec__1() [L944] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 901]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L93] int waterLevel = 1; [L94] int methaneLevelCritical = 0; [L351] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L577] int retValue_acc ; [L580] retValue_acc = 1 [L581] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L892] int splverifierCounter ; [L893] int tmp ; [L894] int tmp___0 ; [L895] int tmp___1 ; [L896] int tmp___2 ; [L899] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L901] COND TRUE 1 [L903] COND TRUE splverifierCounter < 4 [L909] tmp = __VERIFIER_nondet_int() [L911] COND FALSE !(\read(tmp)) [L919] tmp___0 = __VERIFIER_nondet_int() [L921] COND FALSE !(\read(tmp___0)) [L929] tmp___2 = __VERIFIER_nondet_int() [L931] COND TRUE \read(tmp___2) [L944] CALL timeShift() [L703] COND FALSE !(\read(pumpRunning)) [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L758] int tmp ; [L761] COND FALSE !(\read(pumpRunning)) [L776] CALL processEnvironment__wrappee__methaneQuery() [L732] int tmp ; [L735] COND FALSE !(\read(pumpRunning)) [L750] FCALL processEnvironment__wrappee__base() [L776] RET processEnvironment__wrappee__methaneQuery() [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L132] int retValue_acc ; [L135] retValue_acc = methaneLevelCritical [L136] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L164] int retValue_acc ; [L167] retValue_acc = waterLevel [L168] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L718] RET __utac_acc__Specification3_spec__1() [L944] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 11:56:42,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed36a93-af0b-429b-9cf3-a06d73ef1e5f/bin/uautomizer-ug76WZFUDN/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)