./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro --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 cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824 --- 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-8393723 [2022-11-18 20:49:06,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:49:06,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:49:06,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:49:06,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:49:06,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:49:06,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:49:06,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:49:06,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:49:06,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:49:06,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:49:06,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:49:06,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:49:06,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:49:06,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:49:06,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:49:06,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:49:06,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:49:06,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:49:06,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:49:06,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:49:06,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:49:06,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:49:06,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:49:06,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:49:06,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:49:06,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:49:06,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:49:06,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:49:06,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:49:06,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:49:06,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:49:06,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:49:06,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:49:06,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:49:06,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:49:06,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:49:06,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:49:06,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:49:06,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:49:06,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:49:06,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:49:06,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:49:06,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:49:06,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:49:06,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:49:06,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:49:06,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:49:06,346 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:49:06,346 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:49:06,346 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:49:06,346 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:49:06,347 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:49:06,347 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:49:06,347 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:49:06,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:49:06,348 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:49:06,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:49:06,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:49:06,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:49:06,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:49:06,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:49:06,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:49:06,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:49:06,350 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:49:06,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:49:06,350 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:49:06,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:49:06,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:49:06,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:49:06,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:49:06,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:49:06,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:49:06,353 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:49:06,353 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_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824 [2022-11-18 20:49:06,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:49:06,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:49:06,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:49:06,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:49:06,687 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:49:06,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2022-11-18 20:49:06,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/data/e4c3155a9/13217a12820340f2b5f38a008d588f20/FLAG39a2acaf8 [2022-11-18 20:49:07,299 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:49:07,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2022-11-18 20:49:07,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/data/e4c3155a9/13217a12820340f2b5f38a008d588f20/FLAG39a2acaf8 [2022-11-18 20:49:07,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/data/e4c3155a9/13217a12820340f2b5f38a008d588f20 [2022-11-18 20:49:07,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:49:07,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:49:07,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:49:07,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:49:07,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:49:07,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:07" (1/1) ... [2022-11-18 20:49:07,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b8a439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:07, skipping insertion in model container [2022-11-18 20:49:07,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:07" (1/1) ... [2022-11-18 20:49:07,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:49:07,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:49:08,195 WARN L234 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_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c[15274,15287] [2022-11-18 20:49:08,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:49:08,239 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:49:08,314 WARN L234 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_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c[15274,15287] [2022-11-18 20:49:08,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:49:08,355 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:49:08,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08 WrapperNode [2022-11-18 20:49:08,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:49:08,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:49:08,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:49:08,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:49:08,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,424 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 544 [2022-11-18 20:49:08,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:49:08,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:49:08,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:49:08,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:49:08,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,477 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:49:08,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:49:08,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:49:08,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:49:08,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (1/1) ... [2022-11-18 20:49:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:08,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:08,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:08,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:49:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:49:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:49:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:49:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:49:08,679 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:49:08,681 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:49:09,262 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:49:09,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:49:09,272 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:49:09,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:09 BoogieIcfgContainer [2022-11-18 20:49:09,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:49:09,277 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:49:09,277 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:49:09,284 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:49:09,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:49:09,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:49:07" (1/3) ... [2022-11-18 20:49:09,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4714a701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:49:09, skipping insertion in model container [2022-11-18 20:49:09,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:49:09,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:08" (2/3) ... [2022-11-18 20:49:09,288 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4714a701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:49:09, skipping insertion in model container [2022-11-18 20:49:09,288 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:49:09,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:09" (3/3) ... [2022-11-18 20:49:09,290 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product32.cil.c [2022-11-18 20:49:09,353 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:49:09,353 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:49:09,353 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:49:09,353 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:49:09,353 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:49:09,353 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:49:09,353 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:49:09,354 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:49:09,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 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) [2022-11-18 20:49:09,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2022-11-18 20:49:09,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:49:09,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:49:09,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:09,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:09,399 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:49:09,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 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) [2022-11-18 20:49:09,409 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2022-11-18 20:49:09,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:49:09,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:49:09,411 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:09,411 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:09,417 INFO L748 eck$LassoCheckResult]: Stem: 146#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);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 60#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 50#L883true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113#L876true 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; 93#L891true main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 98#L812true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 19#L786true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 46#L432-2true [2022-11-18 20:49:09,418 INFO L750 eck$LassoCheckResult]: Loop: 46#L432-2true assume !false; 89#L433true assume test_~splverifierCounter~0#1 < 4; 21#L434true test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 36#L442true assume !(0 != test_~tmp~3#1); 120#L442-2true test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 94#L452true assume !(0 != test_~tmp___0~0#1); 72#L452-2true test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 102#L462true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 132#L470true assume !(0 != test_~tmp___1~0#1); 51#L470-2true assume { :begin_inline_timeShift } true; 28#L507true assume !(0 != ~pumpRunning~0); 39#L507-2true assume !(0 != ~systemActive~0); 55#L514-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 25#L939-1true __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 16#L836true assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 77#L842-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 35#L524true assume { :end_inline_timeShift } true; 46#L432-2true [2022-11-18 20:49:09,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:09,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-18 20:49:09,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:09,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772337027] [2022-11-18 20:49:09,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:09,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:09,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:09,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:09,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:09,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1405389983, now seen corresponding path program 1 times [2022-11-18 20:49:09,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:09,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558606240] [2022-11-18 20:49:09,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:09,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:09,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:09,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:09,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:09,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1957895709, now seen corresponding path program 1 times [2022-11-18 20:49:09,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:09,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022022511] [2022-11-18 20:49:09,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:09,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:09,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:09,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022022511] [2022-11-18 20:49:09,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022022511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:09,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:09,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:49:09,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001843790] [2022-11-18 20:49:09,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:10,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:10,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:49:10,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:49:10,193 INFO L87 Difference]: Start difference. First operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 states have internal predecessors, (216), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-18 20:49:10,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:49:10,371 INFO L93 Difference]: Finished difference Result 528 states and 683 transitions. [2022-11-18 20:49:10,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 528 states and 683 transitions. [2022-11-18 20:49:10,383 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 344 [2022-11-18 20:49:10,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 528 states to 488 states and 643 transitions. [2022-11-18 20:49:10,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 488 [2022-11-18 20:49:10,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 488 [2022-11-18 20:49:10,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 488 states and 643 transitions. [2022-11-18 20:49:10,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:10,399 INFO L218 hiAutomatonCegarLoop]: Abstraction has 488 states and 643 transitions. [2022-11-18 20:49:10,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states and 643 transitions. [2022-11-18 20:49:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 206. [2022-11-18 20:49:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 206 states have (on average 1.3203883495145632) internal successors, (272), 205 states have internal predecessors, (272), 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) [2022-11-18 20:49:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 272 transitions. [2022-11-18 20:49:10,445 INFO L240 hiAutomatonCegarLoop]: Abstraction has 206 states and 272 transitions. [2022-11-18 20:49:10,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:49:10,455 INFO L428 stractBuchiCegarLoop]: Abstraction has 206 states and 272 transitions. [2022-11-18 20:49:10,456 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:49:10,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 206 states and 272 transitions. [2022-11-18 20:49:10,458 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2022-11-18 20:49:10,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:49:10,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:49:10,464 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:10,464 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] [2022-11-18 20:49:10,465 INFO L748 eck$LassoCheckResult]: Stem: 853#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);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 800#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 792#L883 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 793#L876 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; 831#L891 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 832#L812 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 737#L786 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 738#L432-2 [2022-11-18 20:49:10,465 INFO L750 eck$LassoCheckResult]: Loop: 738#L432-2 assume !false; 786#L433 assume test_~splverifierCounter~0#1 < 4; 742#L434 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 743#L442 assume !(0 != test_~tmp~3#1); 770#L442-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 833#L452 assume !(0 != test_~tmp___0~0#1); 813#L452-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 814#L462 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 836#L470 assume !(0 != test_~tmp___1~0#1); 717#L470-2 assume { :begin_inline_timeShift } true; 756#L507 assume !(0 != ~pumpRunning~0); 757#L507-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 745#L565 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 746#L539-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 837#L531-3 assume { :end_inline_processEnvironment__wrappee__base } true; 711#L539-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 712#L565-1 assume { :end_inline_processEnvironment } true; 736#L514-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 748#L939-1 __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 733#L836 assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 734#L842-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 768#L524 assume { :end_inline_timeShift } true; 738#L432-2 [2022-11-18 20:49:10,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:10,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-18 20:49:10,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:10,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879346291] [2022-11-18 20:49:10,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:10,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:10,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:10,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:10,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1305347534, now seen corresponding path program 1 times [2022-11-18 20:49:10,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:10,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497566138] [2022-11-18 20:49:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:10,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:10,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:10,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:10,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:10,549 INFO L85 PathProgramCache]: Analyzing trace with hash -188504842, now seen corresponding path program 1 times [2022-11-18 20:49:10,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:10,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931644416] [2022-11-18 20:49:10,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:10,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:10,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:10,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931644416] [2022-11-18 20:49:10,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931644416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:10,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:10,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:49:10,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936911183] [2022-11-18 20:49:10,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:10,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:10,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:49:10,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:49:10,827 INFO L87 Difference]: Start difference. First operand 206 states and 272 transitions. cyclomatic complexity: 69 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-11-18 20:49:11,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:49:11,017 INFO L93 Difference]: Finished difference Result 736 states and 974 transitions. [2022-11-18 20:49:11,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 736 states and 974 transitions. [2022-11-18 20:49:11,027 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 536 [2022-11-18 20:49:11,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 736 states to 736 states and 974 transitions. [2022-11-18 20:49:11,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 736 [2022-11-18 20:49:11,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 736 [2022-11-18 20:49:11,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 736 states and 974 transitions. [2022-11-18 20:49:11,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:11,046 INFO L218 hiAutomatonCegarLoop]: Abstraction has 736 states and 974 transitions. [2022-11-18 20:49:11,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states and 974 transitions. [2022-11-18 20:49:11,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 405. [2022-11-18 20:49:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 405 states have (on average 1.306172839506173) internal successors, (529), 404 states have internal predecessors, (529), 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) [2022-11-18 20:49:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 529 transitions. [2022-11-18 20:49:11,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 405 states and 529 transitions. [2022-11-18 20:49:11,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:49:11,091 INFO L428 stractBuchiCegarLoop]: Abstraction has 405 states and 529 transitions. [2022-11-18 20:49:11,092 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:49:11,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 405 states and 529 transitions. [2022-11-18 20:49:11,097 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 290 [2022-11-18 20:49:11,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:49:11,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:49:11,100 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:11,101 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, 1] [2022-11-18 20:49:11,101 INFO L748 eck$LassoCheckResult]: Stem: 1868#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);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1776#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~6#1, main_~tmp~8#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1764#L883 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1765#L876 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; 1822#L891 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 1823#L812 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1701#L786 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1702#L432-2 [2022-11-18 20:49:11,102 INFO L750 eck$LassoCheckResult]: Loop: 1702#L432-2 assume !false; 1987#L433 assume test_~splverifierCounter~0#1 < 4; 1988#L434 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 2044#L442 assume !(0 != test_~tmp~3#1); 2041#L442-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 2039#L452 assume !(0 != test_~tmp___0~0#1); 2036#L452-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 2034#L462 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2032#L714 assume { :end_inline_startSystem } true; 2031#L470-2 assume { :begin_inline_timeShift } true; 2029#L507 assume !(0 != ~pumpRunning~0); 2027#L507-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1996#L565 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1863#L539-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1864#L531-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1671#L539-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1672#L565-1 assume { :end_inline_processEnvironment } true; 1697#L514-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret45#1, __utac_acc__Specification3_spec__1_#t~ret46#1, __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 2004#L939-1 __utac_acc__Specification3_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret45#1;havoc __utac_acc__Specification3_spec__1_#t~ret45#1; 2003#L836 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2002#L971 __utac_acc__Specification3_spec__1_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret46#1;havoc __utac_acc__Specification3_spec__1_#t~ret46#1; 1999#L842 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1998#L842-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1997#L524 assume { :end_inline_timeShift } true; 1702#L432-2 [2022-11-18 20:49:11,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:11,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-18 20:49:11,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:11,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080579416] [2022-11-18 20:49:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:11,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:11,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:11,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:11,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:11,153 INFO L85 PathProgramCache]: Analyzing trace with hash -825867277, now seen corresponding path program 1 times [2022-11-18 20:49:11,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:11,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30347199] [2022-11-18 20:49:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:11,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:11,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:11,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:11,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:11,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1281864265, now seen corresponding path program 1 times [2022-11-18 20:49:11,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:11,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788588349] [2022-11-18 20:49:11,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:11,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:11,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:11,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:12,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:12,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:49:12 BoogieIcfgContainer [2022-11-18 20:49:12,486 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:49:12,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:49:12,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:49:12,487 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:49:12,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:09" (3/4) ... [2022-11-18 20:49:12,490 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:49:12,538 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:49:12,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:49:12,539 INFO L158 Benchmark]: Toolchain (without parser) took 4904.23ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 79.5MB in the beginning and 59.2MB in the end (delta: 20.4MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2022-11-18 20:49:12,540 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 119.5MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:49:12,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.63ms. Allocated memory is still 119.5MB. Free memory was 79.3MB in the beginning and 88.0MB in the end (delta: -8.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:49:12,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.54ms. Allocated memory is still 119.5MB. Free memory was 88.0MB in the beginning and 84.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:49:12,541 INFO L158 Benchmark]: Boogie Preprocessor took 57.39ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 82.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:49:12,542 INFO L158 Benchmark]: RCFGBuilder took 791.61ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 59.7MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 20:49:12,542 INFO L158 Benchmark]: BuchiAutomizer took 3209.16ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 59.6MB in the beginning and 62.3MB in the end (delta: -2.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-18 20:49:12,543 INFO L158 Benchmark]: Witness Printer took 52.27ms. Allocated memory is still 146.8MB. Free memory was 62.3MB in the beginning and 59.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:49:12,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 119.5MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.63ms. Allocated memory is still 119.5MB. Free memory was 79.3MB in the beginning and 88.0MB in the end (delta: -8.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.54ms. Allocated memory is still 119.5MB. Free memory was 88.0MB in the beginning and 84.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.39ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 82.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 791.61ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 59.7MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3209.16ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 59.6MB in the beginning and 62.3MB in the end (delta: -2.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Witness Printer took 52.27ms. Allocated memory is still 146.8MB. Free memory was 62.3MB in the beginning and 59.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 405 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. 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 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 613 StatesRemovedByMinimization, 2 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, 1688 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1688 mSDsluCounter, 2694 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2190 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 504 mSDtfsCounter, 135 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: 432]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L897] int methaneLevelCritical = 0; [L499] int pumpRunning = 0; [L896] int waterLevel = 1; [L500] int systemActive = 1; [L727] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L794] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L432] COND TRUE 1 [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND TRUE \read(tmp___2) [L464] CALL startSystem() [L713] systemActive = 1 [L464] RET startSystem() [L479] CALL timeShift() [L507] COND FALSE !(\read(pumpRunning)) [L514] COND TRUE \read(systemActive) [L516] CALL processEnvironment() [L562] int tmp ; [L565] COND FALSE !(\read(pumpRunning)) [L580] CALL processEnvironment__wrappee__methaneQuery() [L536] int tmp ; [L539] COND FALSE !(\read(pumpRunning)) [L554] FCALL processEnvironment__wrappee__base() [L580] RET processEnvironment__wrappee__methaneQuery() [L516] RET processEnvironment() [L522] CALL __utac_acc__Specification3_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L830] int tmp___1 ; [L834] CALL, EXPR isMethaneLevelCritical() [L935] int retValue_acc ; [L938] retValue_acc = methaneLevelCritical [L939] return (retValue_acc); [L834] RET, EXPR isMethaneLevelCritical() [L834] tmp = isMethaneLevelCritical() [L836] COND FALSE !(\read(tmp)) [L840] CALL, EXPR getWaterLevel() [L967] int retValue_acc ; [L970] retValue_acc = waterLevel [L971] return (retValue_acc); [L840] RET, EXPR getWaterLevel() [L840] tmp___0 = getWaterLevel() [L842] COND FALSE !(tmp___0 == 2) [L522] RET __utac_acc__Specification3_spec__1() [L479] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 432]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L897] int methaneLevelCritical = 0; [L499] int pumpRunning = 0; [L896] int waterLevel = 1; [L500] int systemActive = 1; [L727] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] int retValue_acc ; [L804] int tmp ; [L808] FCALL select_helpers() [L809] FCALL select_features() [L810] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L810] RET, EXPR valid_product() [L810] tmp = valid_product() [L812] COND TRUE \read(tmp) [L814] FCALL setup() [L815] CALL runTest() [L794] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L432] COND TRUE 1 [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND TRUE \read(tmp___2) [L464] CALL startSystem() [L713] systemActive = 1 [L464] RET startSystem() [L479] CALL timeShift() [L507] COND FALSE !(\read(pumpRunning)) [L514] COND TRUE \read(systemActive) [L516] CALL processEnvironment() [L562] int tmp ; [L565] COND FALSE !(\read(pumpRunning)) [L580] CALL processEnvironment__wrappee__methaneQuery() [L536] int tmp ; [L539] COND FALSE !(\read(pumpRunning)) [L554] FCALL processEnvironment__wrappee__base() [L580] RET processEnvironment__wrappee__methaneQuery() [L516] RET processEnvironment() [L522] CALL __utac_acc__Specification3_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L830] int tmp___1 ; [L834] CALL, EXPR isMethaneLevelCritical() [L935] int retValue_acc ; [L938] retValue_acc = methaneLevelCritical [L939] return (retValue_acc); [L834] RET, EXPR isMethaneLevelCritical() [L834] tmp = isMethaneLevelCritical() [L836] COND FALSE !(\read(tmp)) [L840] CALL, EXPR getWaterLevel() [L967] int retValue_acc ; [L970] retValue_acc = waterLevel [L971] return (retValue_acc); [L840] RET, EXPR getWaterLevel() [L840] tmp___0 = getWaterLevel() [L842] COND FALSE !(tmp___0 == 2) [L522] RET __utac_acc__Specification3_spec__1() [L479] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:49:12,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b6f8f4-f7cd-4446-bf74-0aff5e6f80bd/bin/uautomizer-TMbwUNV5ro/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)