./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R --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 a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 --- 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-38b53e6 [2022-11-25 18:17:23,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:17:23,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:17:23,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:17:23,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:17:23,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:17:23,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:17:23,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:17:23,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:17:23,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:17:23,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:17:23,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:17:23,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:17:23,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:17:23,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:17:23,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:17:23,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:17:23,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:17:23,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:17:23,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:17:23,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:17:23,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:17:23,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:17:23,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:17:23,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:17:23,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:17:23,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:17:23,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:17:23,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:17:23,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:17:23,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:17:23,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:17:23,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:17:23,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:17:23,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:17:23,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:17:23,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:17:23,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:17:23,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:17:23,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:17:23,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:17:23,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 18:17:23,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:17:23,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:17:23,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:17:23,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:17:23,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:17:23,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:17:23,500 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:17:23,501 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 18:17:23,501 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 18:17:23,501 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 18:17:23,503 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 18:17:23,503 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 18:17:23,503 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 18:17:23,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:17:23,504 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:17:23,504 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:17:23,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:17:23,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:17:23,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:17:23,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 18:17:23,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 18:17:23,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 18:17:23,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:17:23,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:17:23,506 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 18:17:23,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:17:23,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 18:17:23,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:17:23,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:17:23,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:17:23,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:17:23,510 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 18:17:23,511 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_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 [2022-11-25 18:17:23,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:17:23,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:17:23,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:17:23,938 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:17:23,939 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:17:23,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2022-11-25 18:17:27,320 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:17:27,632 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:17:27,637 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2022-11-25 18:17:27,653 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/data/08903470b/83b5c42b08b24ffaab0ebfb8eae353db/FLAGc2365dc76 [2022-11-25 18:17:27,672 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/data/08903470b/83b5c42b08b24ffaab0ebfb8eae353db [2022-11-25 18:17:27,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:17:27,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:17:27,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:17:27,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:17:27,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:17:27,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:17:27" (1/1) ... [2022-11-25 18:17:27,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789044f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:27, skipping insertion in model container [2022-11-25 18:17:27,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:17:27" (1/1) ... [2022-11-25 18:17:27,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:17:27,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:17:27,914 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_b98919cb-ad08-4924-91d0-bb49f77047b1/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1605,1618] [2022-11-25 18:17:28,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:17:28,081 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:17:28,096 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_b98919cb-ad08-4924-91d0-bb49f77047b1/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1605,1618] [2022-11-25 18:17:28,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:17:28,175 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:17:28,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28 WrapperNode [2022-11-25 18:17:28,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:17:28,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:17:28,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:17:28,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:17:28,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,234 INFO L138 Inliner]: procedures = 51, calls = 95, calls flagged for inlining = 48, calls inlined = 52, statements flattened = 343 [2022-11-25 18:17:28,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:17:28,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:17:28,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:17:28,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:17:28,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,264 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:17:28,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:17:28,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:17:28,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:17:28,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (1/1) ... [2022-11-25 18:17:28,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:17:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:17:28,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:17:28,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 18:17:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:17:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:17:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:17:28,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:17:28,505 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:17:28,508 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:17:28,848 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:17:28,890 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:17:28,890 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:17:28,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:17:28 BoogieIcfgContainer [2022-11-25 18:17:28,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:17:28,894 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 18:17:28,894 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 18:17:28,906 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 18:17:28,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:17:28,908 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 06:17:27" (1/3) ... [2022-11-25 18:17:28,909 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71c431a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:17:28, skipping insertion in model container [2022-11-25 18:17:28,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:17:28,909 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:28" (2/3) ... [2022-11-25 18:17:28,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71c431a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:17:28, skipping insertion in model container [2022-11-25 18:17:28,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:17:28,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:17:28" (3/3) ... [2022-11-25 18:17:28,913 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2022-11-25 18:17:29,003 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 18:17:29,003 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 18:17:29,004 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 18:17:29,004 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 18:17:29,004 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 18:17:29,004 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 18:17:29,004 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 18:17:29,004 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 18:17:29,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:17:29,035 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-11-25 18:17:29,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:17:29,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:17:29,044 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:17:29,044 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:17:29,044 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 18:17:29,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:17:29,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-11-25 18:17:29,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:17:29,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:17:29,053 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:17:29,053 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:17:29,059 INFO L748 eck$LassoCheckResult]: Stem: 100#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 25#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 99#L84true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 56#L77true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 92#L92true main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 67#L184true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 75#L160true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 79#L764-2true [2022-11-25 18:17:29,060 INFO L750 eck$LassoCheckResult]: Loop: 79#L764-2true assume !false; 71#L765true assume test_~splverifierCounter~0#1 < 4; 5#L766true test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 70#L774true assume !(0 != test_~tmp~6#1); 39#L774-2true test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 97#L784true assume !(0 != test_~tmp___0~1#1); 46#L784-2true test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 83#L794true assume 0 != test_~tmp___2~0#1; 76#L800-2true assume { :begin_inline_timeShift } true; 24#L613true assume !(0 != ~pumpRunning~0); 68#L613-2true assume !(0 != ~systemActive~0); 84#L620-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#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~4#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 55#L864-1true __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 73#L576true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 19#L582-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 66#L630true assume { :end_inline_timeShift } true; 79#L764-2true [2022-11-25 18:17:29,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:29,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-25 18:17:29,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:29,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104731352] [2022-11-25 18:17:29,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:29,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:29,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:17:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:29,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:17:29,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:29,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1841882474, now seen corresponding path program 1 times [2022-11-25 18:17:29,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:29,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610928467] [2022-11-25 18:17:29,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:29,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:17:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:29,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:17:29,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:29,248 INFO L85 PathProgramCache]: Analyzing trace with hash -486463398, now seen corresponding path program 1 times [2022-11-25 18:17:29,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:29,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253338507] [2022-11-25 18:17:29,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:29,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:17:29,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:17:29,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253338507] [2022-11-25 18:17:29,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253338507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:17:29,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:17:29,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:17:29,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22371577] [2022-11-25 18:17:29,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:17:29,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:17:29,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:17:29,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:17:29,741 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:17:29,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:17:29,922 INFO L93 Difference]: Finished difference Result 269 states and 344 transitions. [2022-11-25 18:17:29,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 344 transitions. [2022-11-25 18:17:29,940 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2022-11-25 18:17:29,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 314 transitions. [2022-11-25 18:17:29,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2022-11-25 18:17:29,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2022-11-25 18:17:29,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 314 transitions. [2022-11-25 18:17:29,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:17:29,965 INFO L218 hiAutomatonCegarLoop]: Abstraction has 239 states and 314 transitions. [2022-11-25 18:17:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 314 transitions. [2022-11-25 18:17:30,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 151. [2022-11-25 18:17:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 150 states have internal predecessors, (199), 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) [2022-11-25 18:17:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 199 transitions. [2022-11-25 18:17:30,025 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 199 transitions. [2022-11-25 18:17:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:17:30,031 INFO L428 stractBuchiCegarLoop]: Abstraction has 151 states and 199 transitions. [2022-11-25 18:17:30,032 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 18:17:30,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 199 transitions. [2022-11-25 18:17:30,036 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2022-11-25 18:17:30,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:17:30,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:17:30,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:17:30,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:17:30,038 INFO L748 eck$LassoCheckResult]: Stem: 483#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 472#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 473#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 406#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 407#L92 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 428#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 429#L160 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 426#L764-2 [2022-11-25 18:17:30,038 INFO L750 eck$LassoCheckResult]: Loop: 426#L764-2 assume !false; 438#L765 assume test_~splverifierCounter~0#1 < 4; 402#L766 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 403#L774 assume !(0 != test_~tmp~6#1); 437#L774-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 480#L784 assume !(0 != test_~tmp___0~1#1); 481#L784-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 463#L794 assume 0 != test_~tmp___2~0#1; 423#L800-2 assume { :begin_inline_timeShift } true; 447#L613 assume !(0 != ~pumpRunning~0); 430#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 431#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 486#L637-1 assume { :end_inline_processEnvironment__wrappee__base } true; 433#L645-1 assume { :end_inline_processEnvironment } true; 466#L620-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#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~4#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 404#L864-1 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 405#L576 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 441#L582-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 425#L630 assume { :end_inline_timeShift } true; 426#L764-2 [2022-11-25 18:17:30,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:30,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-25 18:17:30,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:30,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262531260] [2022-11-25 18:17:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:30,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:17:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:17:30,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:30,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1752598688, now seen corresponding path program 1 times [2022-11-25 18:17:30,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:30,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014914982] [2022-11-25 18:17:30,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:30,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:17:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:17:30,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:30,136 INFO L85 PathProgramCache]: Analyzing trace with hash 549544732, now seen corresponding path program 1 times [2022-11-25 18:17:30,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:30,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240433602] [2022-11-25 18:17:30,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:30,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:17:30,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:17:30,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240433602] [2022-11-25 18:17:30,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240433602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:17:30,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:17:30,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:17:30,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426988248] [2022-11-25 18:17:30,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:17:30,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:17:30,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:17:30,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:17:30,439 INFO L87 Difference]: Start difference. First operand 151 states and 199 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-25 18:17:30,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:17:30,631 INFO L93 Difference]: Finished difference Result 514 states and 680 transitions. [2022-11-25 18:17:30,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 514 states and 680 transitions. [2022-11-25 18:17:30,640 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 386 [2022-11-25 18:17:30,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 514 states to 514 states and 680 transitions. [2022-11-25 18:17:30,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 514 [2022-11-25 18:17:30,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 514 [2022-11-25 18:17:30,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 514 states and 680 transitions. [2022-11-25 18:17:30,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:17:30,658 INFO L218 hiAutomatonCegarLoop]: Abstraction has 514 states and 680 transitions. [2022-11-25 18:17:30,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states and 680 transitions. [2022-11-25 18:17:30,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 295. [2022-11-25 18:17:30,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 295 states have (on average 1.2983050847457627) internal successors, (383), 294 states have internal predecessors, (383), 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) [2022-11-25 18:17:30,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 383 transitions. [2022-11-25 18:17:30,702 INFO L240 hiAutomatonCegarLoop]: Abstraction has 295 states and 383 transitions. [2022-11-25 18:17:30,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:17:30,711 INFO L428 stractBuchiCegarLoop]: Abstraction has 295 states and 383 transitions. [2022-11-25 18:17:30,711 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 18:17:30,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 383 transitions. [2022-11-25 18:17:30,713 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 216 [2022-11-25 18:17:30,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:17:30,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:17:30,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:17:30,714 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] [2022-11-25 18:17:30,715 INFO L748 eck$LassoCheckResult]: Stem: 1185#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1169#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1170#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1090#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1091#L92 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 1112#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1113#L160 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1111#L764-2 [2022-11-25 18:17:30,715 INFO L750 eck$LassoCheckResult]: Loop: 1111#L764-2 assume !false; 1123#L765 assume test_~splverifierCounter~0#1 < 4; 1124#L766 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1120#L774 assume !(0 != test_~tmp~6#1); 1122#L774-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1179#L784 assume !(0 != test_~tmp___0~1#1); 1180#L784-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1369#L794 assume 0 != test_~tmp___2~0#1; 1367#L800-2 assume { :begin_inline_timeShift } true; 1167#L613 assume !(0 != ~pumpRunning~0); 1114#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1115#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1201#L637-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1117#L645-1 assume { :end_inline_processEnvironment } true; 1175#L620-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#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~4#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1324#L864-1 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 1323#L576 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1322#L896 __utac_acc__Specification3_spec__1_#t~ret30#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1; 1320#L582 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1318#L582-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1110#L630 assume { :end_inline_timeShift } true; 1111#L764-2 [2022-11-25 18:17:30,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:30,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-25 18:17:30,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:30,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339851624] [2022-11-25 18:17:30,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:30,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:17:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:17:30,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:30,776 INFO L85 PathProgramCache]: Analyzing trace with hash -618907693, now seen corresponding path program 1 times [2022-11-25 18:17:30,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:30,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843137599] [2022-11-25 18:17:30,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:30,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:17:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:17:30,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:30,799 INFO L85 PathProgramCache]: Analyzing trace with hash -167238513, now seen corresponding path program 1 times [2022-11-25 18:17:30,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:30,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12272627] [2022-11-25 18:17:30,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:30,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:17:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:30,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:17:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:32,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:17:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:17:32,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 06:17:32 BoogieIcfgContainer [2022-11-25 18:17:32,154 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 18:17:32,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:17:32,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:17:32,155 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:17:32,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:17:28" (3/4) ... [2022-11-25 18:17:32,159 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 18:17:32,230 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:17:32,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:17:32,232 INFO L158 Benchmark]: Toolchain (without parser) took 4550.53ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 93.8MB in the beginning and 72.4MB in the end (delta: 21.5MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2022-11-25 18:17:32,232 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:17:32,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.57ms. Allocated memory is still 138.4MB. Free memory was 93.5MB in the beginning and 75.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 18:17:32,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.00ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:17:32,233 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 138.4MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:17:32,234 INFO L158 Benchmark]: RCFGBuilder took 622.48ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 71.4MB in the beginning and 169.4MB in the end (delta: -98.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-11-25 18:17:32,234 INFO L158 Benchmark]: BuchiAutomizer took 3260.53ms. Allocated memory is still 199.2MB. Free memory was 169.3MB in the beginning and 75.5MB in the end (delta: 93.8MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2022-11-25 18:17:32,235 INFO L158 Benchmark]: Witness Printer took 76.00ms. Allocated memory is still 199.2MB. Free memory was 75.5MB in the beginning and 72.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:17:32,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.57ms. Allocated memory is still 138.4MB. Free memory was 93.5MB in the beginning and 75.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.00ms. Allocated memory is still 138.4MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 138.4MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.48ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 71.4MB in the beginning and 169.4MB in the end (delta: -98.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3260.53ms. Allocated memory is still 199.2MB. Free memory was 169.3MB in the beginning and 75.5MB in the end (delta: 93.8MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. * Witness Printer took 76.00ms. Allocated memory is still 199.2MB. Free memory was 75.5MB in the beginning and 72.4MB 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 295 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, 307 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, 908 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 908 mSDsluCounter, 1521 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1224 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 297 mSDtfsCounter, 125 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: 764]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L97] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] int retValue_acc ; [L176] int tmp ; [L180] FCALL select_helpers() [L181] FCALL select_features() [L182] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L182] RET, EXPR valid_product() [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L186] FCALL setup() [L187] CALL runTest() [L169] CALL test() [L755] int splverifierCounter ; [L756] int tmp ; [L757] int tmp___0 ; [L758] int tmp___1 ; [L759] int tmp___2 ; [L762] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L764] COND TRUE 1 [L766] COND TRUE splverifierCounter < 4 [L772] tmp = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp)) [L782] tmp___0 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___0)) [L792] tmp___2 = __VERIFIER_nondet_int() [L794] COND TRUE \read(tmp___2) [L809] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND TRUE \read(systemActive) [L622] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] FCALL processEnvironment__wrappee__base() [L622] RET processEnvironment() [L628] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L628] RET __utac_acc__Specification3_spec__1() [L809] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 764]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] int retValue_acc ; [L176] int tmp ; [L180] FCALL select_helpers() [L181] FCALL select_features() [L182] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L182] RET, EXPR valid_product() [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L186] FCALL setup() [L187] CALL runTest() [L169] CALL test() [L755] int splverifierCounter ; [L756] int tmp ; [L757] int tmp___0 ; [L758] int tmp___1 ; [L759] int tmp___2 ; [L762] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L764] COND TRUE 1 [L766] COND TRUE splverifierCounter < 4 [L772] tmp = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp)) [L782] tmp___0 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___0)) [L792] tmp___2 = __VERIFIER_nondet_int() [L794] COND TRUE \read(tmp___2) [L809] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND TRUE \read(systemActive) [L622] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] FCALL processEnvironment__wrappee__base() [L622] RET processEnvironment() [L628] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L628] RET __utac_acc__Specification3_spec__1() [L809] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 18:17:32,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98919cb-ad08-4924-91d0-bb49f77047b1/bin/uautomizer-ZsLfNo2U6R/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)