./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/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_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/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_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/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 a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 --- 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 17:52:18,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:52:18,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:52:18,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:52:18,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:52:18,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:52:18,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:52:18,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:52:18,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:52:18,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:52:18,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:52:18,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:52:18,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:52:18,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:52:18,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:52:18,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:52:18,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:52:18,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:52:18,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:52:18,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:52:18,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:52:18,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:52:18,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:52:18,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:52:18,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:52:18,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:52:18,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:52:18,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:52:18,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:52:18,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:52:18,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:52:18,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:52:18,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:52:18,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:52:18,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:52:18,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:52:18,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:52:18,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:52:18,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:52:18,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:52:18,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:52:18,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:52:18,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:52:18,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:52:18,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:52:18,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:52:18,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:52:18,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:52:18,590 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:52:18,590 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:52:18,590 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:52:18,591 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:52:18,591 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:52:18,591 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:52:18,591 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:52:18,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:52:18,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:52:18,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:52:18,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:52:18,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:52:18,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:52:18,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:52:18,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:52:18,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:52:18,594 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:52:18,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:52:18,595 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:52:18,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:52:18,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:52:18,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:52:18,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:52:18,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:52:18,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:52:18,597 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:52:18,598 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_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 [2022-11-25 17:52:18,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:52:18,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:52:18,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:52:18,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:52:18,870 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:52:18,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2022-11-25 17:52:21,981 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:52:22,205 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:52:22,205 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2022-11-25 17:52:22,216 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/data/a607dcced/03044f70e53e4b6c896cce059f7f6f33/FLAG83eb7eaca [2022-11-25 17:52:22,237 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/data/a607dcced/03044f70e53e4b6c896cce059f7f6f33 [2022-11-25 17:52:22,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:52:22,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:52:22,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:52:22,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:52:22,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:52:22,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51486e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22, skipping insertion in model container [2022-11-25 17:52:22,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:52:22,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:52:22,539 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_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c[13760,13773] [2022-11-25 17:52:22,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:52:22,571 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:52:22,678 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_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c[13760,13773] [2022-11-25 17:52:22,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:52:22,719 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:52:22,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22 WrapperNode [2022-11-25 17:52:22,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:52:22,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:52:22,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:52:22,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:52:22,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,810 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 54, statements flattened = 343 [2022-11-25 17:52:22,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:52:22,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:52:22,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:52:22,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:52:22,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,855 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:52:22,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:52:22,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:52:22,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:52:22,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (1/1) ... [2022-11-25 17:52:22,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:22,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:22,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:22,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:52:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:52:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:52:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:52:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:52:23,064 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:52:23,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:52:23,523 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:52:23,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:52:23,538 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:52:23,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:23 BoogieIcfgContainer [2022-11-25 17:52:23,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:52:23,542 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:52:23,543 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:52:23,547 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:52:23,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:52:23,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:52:22" (1/3) ... [2022-11-25 17:52:23,550 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7adbbbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:52:23, skipping insertion in model container [2022-11-25 17:52:23,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:52:23,551 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:22" (2/3) ... [2022-11-25 17:52:23,552 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7adbbbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:52:23, skipping insertion in model container [2022-11-25 17:52:23,553 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:52:23,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:23" (3/3) ... [2022-11-25 17:52:23,557 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2022-11-25 17:52:23,638 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:52:23,638 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:52:23,639 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:52:23,639 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:52:23,639 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:52:23,639 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:52:23,639 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:52:23,640 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:52:23,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 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 17:52:23,677 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-25 17:52:23,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:52:23,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:52:23,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:23,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:23,685 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:52:23,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 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 17:52:23,691 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-25 17:52:23,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:52:23,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:52:23,693 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:23,693 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:23,699 INFO L748 eck$LassoCheckResult]: Stem: 93#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;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 52#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 98#L68true 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; 20#L83true main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 56#L686true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 88#L661true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 34#L463true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 24#L865-2true [2022-11-25 17:52:23,700 INFO L750 eck$LassoCheckResult]: Loop: 24#L865-2true assume !false; 9#L866true assume test_~splverifierCounter~0#1 < 4; 86#L867true test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 11#L875true assume !(0 != test_~tmp~7#1); 85#L875-2true test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 47#L885true assume !(0 != test_~tmp___0~1#1); 40#L885-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 61#L895true assume 0 != test_~tmp___2~0#1; 79#L901-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 70#L814true __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 97#L473true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 54#L712true assume !(0 != ~pumpRunning~0); 51#L712-2true assume !(0 != ~systemActive~0); 42#L719-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 78#L586true __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 96#L484true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 82#L484-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 28#L729true assume { :end_inline_timeShift } true; 24#L865-2true [2022-11-25 17:52:23,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:23,707 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 17:52:23,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:23,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342306084] [2022-11-25 17:52:23,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:23,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:23,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:23,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:23,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:23,847 INFO L85 PathProgramCache]: Analyzing trace with hash 12018380, now seen corresponding path program 1 times [2022-11-25 17:52:23,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:23,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095189476] [2022-11-25 17:52:23,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:23,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:23,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:23,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:23,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:23,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1327334027, now seen corresponding path program 1 times [2022-11-25 17:52:23,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:23,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551488347] [2022-11-25 17:52:23,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:23,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:24,136 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 17:52:24,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:24,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551488347] [2022-11-25 17:52:24,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551488347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:52:24,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:52:24,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:52:24,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761089456] [2022-11-25 17:52:24,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:52:24,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:52:24,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:52:24,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:52:24,405 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 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 4.333333333333333) internal successors, (26), 5 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 17:52:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:52:24,500 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2022-11-25 17:52:24,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 128 transitions. [2022-11-25 17:52:24,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-11-25 17:52:24,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 93 states and 118 transitions. [2022-11-25 17:52:24,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2022-11-25 17:52:24,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2022-11-25 17:52:24,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 118 transitions. [2022-11-25 17:52:24,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:52:24,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-11-25 17:52:24,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 118 transitions. [2022-11-25 17:52:24,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-25 17:52:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 92 states have internal predecessors, (118), 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 17:52:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 118 transitions. [2022-11-25 17:52:24,546 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-11-25 17:52:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:52:24,551 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-11-25 17:52:24,551 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:52:24,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 118 transitions. [2022-11-25 17:52:24,553 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-11-25 17:52:24,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:52:24,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:52:24,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:24,554 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 17:52:24,555 INFO L748 eck$LassoCheckResult]: Stem: 315#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;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 306#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 307#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 318#L68 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; 281#L83 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 282#L686 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 311#L661 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 305#L463 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 288#L865-2 [2022-11-25 17:52:24,555 INFO L750 eck$LassoCheckResult]: Loop: 288#L865-2 assume !false; 242#L866 assume test_~splverifierCounter~0#1 < 4; 243#L867 test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 249#L875 assume !(0 != test_~tmp~7#1); 251#L875-2 test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 310#L885 assume !(0 != test_~tmp___0~1#1); 268#L885-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 245#L895 assume 0 != test_~tmp___2~0#1; 246#L901-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 275#L814 __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 276#L473 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 317#L712 assume !(0 != ~pumpRunning~0); 308#L712-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 300#L744 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 302#L736-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 235#L744-1 assume { :end_inline_processEnvironment } true; 238#L719-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 292#L586 __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 293#L484 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 296#L484-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 297#L729 assume { :end_inline_timeShift } true; 288#L865-2 [2022-11-25 17:52:24,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:24,556 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 17:52:24,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:24,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680081188] [2022-11-25 17:52:24,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:24,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:24,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:24,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:24,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:24,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1748331923, now seen corresponding path program 1 times [2022-11-25 17:52:24,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:24,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645787591] [2022-11-25 17:52:24,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:24,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:24,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:24,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:24,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:24,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2145258276, now seen corresponding path program 1 times [2022-11-25 17:52:24,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:24,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331117703] [2022-11-25 17:52:24,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:24,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:24,800 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 17:52:24,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:24,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331117703] [2022-11-25 17:52:24,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331117703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:52:24,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:52:24,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:52:24,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226612693] [2022-11-25 17:52:24,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:52:24,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:52:24,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:52:24,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:52:24,975 INFO L87 Difference]: Start difference. First operand 93 states and 118 transitions. cyclomatic complexity: 27 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) [2022-11-25 17:52:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:52:25,188 INFO L93 Difference]: Finished difference Result 383 states and 484 transitions. [2022-11-25 17:52:25,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 484 transitions. [2022-11-25 17:52:25,206 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 255 [2022-11-25 17:52:25,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 383 states and 484 transitions. [2022-11-25 17:52:25,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2022-11-25 17:52:25,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 383 [2022-11-25 17:52:25,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 383 states and 484 transitions. [2022-11-25 17:52:25,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:52:25,221 INFO L218 hiAutomatonCegarLoop]: Abstraction has 383 states and 484 transitions. [2022-11-25 17:52:25,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states and 484 transitions. [2022-11-25 17:52:25,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 175. [2022-11-25 17:52:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 175 states have (on average 1.2514285714285713) internal successors, (219), 174 states have internal predecessors, (219), 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 17:52:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 219 transitions. [2022-11-25 17:52:25,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 175 states and 219 transitions. [2022-11-25 17:52:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:52:25,247 INFO L428 stractBuchiCegarLoop]: Abstraction has 175 states and 219 transitions. [2022-11-25 17:52:25,247 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 17:52:25,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 219 transitions. [2022-11-25 17:52:25,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2022-11-25 17:52:25,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:52:25,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:52:25,251 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:25,251 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:52:25,251 INFO L748 eck$LassoCheckResult]: Stem: 819#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;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 805#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 806#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 825#L68 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; 778#L83 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 779#L686 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 812#L661 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 807#L463 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 785#L865-2 [2022-11-25 17:52:25,252 INFO L750 eck$LassoCheckResult]: Loop: 785#L865-2 assume !false; 740#L866 assume test_~splverifierCounter~0#1 < 4; 741#L867 test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 743#L875 assume !(0 != test_~tmp~7#1); 745#L875-2 test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 811#L885 assume !(0 != test_~tmp___0~1#1); 763#L885-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 736#L895 assume 0 != test_~tmp___2~0#1; 737#L901-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 771#L814 __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 772#L473 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 823#L712 assume !(0 != ~pumpRunning~0); 808#L712-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 800#L744 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 802#L736-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 729#L744-1 assume { :end_inline_processEnvironment } true; 732#L719-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 818#L586 __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 822#L484 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 748#L814-1 __utac_acc__Specification5_spec__3_#t~ret30#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 749#L488 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 796#L484-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 797#L729 assume { :end_inline_timeShift } true; 785#L865-2 [2022-11-25 17:52:25,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:25,254 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-25 17:52:25,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:25,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522373854] [2022-11-25 17:52:25,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:25,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:25,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:25,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:25,283 INFO L85 PathProgramCache]: Analyzing trace with hash -833864152, now seen corresponding path program 1 times [2022-11-25 17:52:25,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:25,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35007785] [2022-11-25 17:52:25,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:25,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:25,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:25,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:25,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:25,296 INFO L85 PathProgramCache]: Analyzing trace with hash -10197729, now seen corresponding path program 1 times [2022-11-25 17:52:25,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:25,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320221040] [2022-11-25 17:52:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:25,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:25,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:25,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:26,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:26,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:52:26 BoogieIcfgContainer [2022-11-25 17:52:26,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:52:26,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:52:26,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:52:26,578 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:52:26,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:23" (3/4) ... [2022-11-25 17:52:26,583 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 17:52:26,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:52:26,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:52:26,668 INFO L158 Benchmark]: Toolchain (without parser) took 4426.46ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 121.7MB in the beginning and 149.2MB in the end (delta: -27.5MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-11-25 17:52:26,669 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 67.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:52:26,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.91ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 103.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 17:52:26,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.03ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 100.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:52:26,671 INFO L158 Benchmark]: Boogie Preprocessor took 46.31ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 99.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:52:26,675 INFO L158 Benchmark]: RCFGBuilder took 681.97ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 128.9MB in the end (delta: -29.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-25 17:52:26,677 INFO L158 Benchmark]: BuchiAutomizer took 3034.08ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 128.9MB in the beginning and 152.4MB in the end (delta: -23.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-11-25 17:52:26,678 INFO L158 Benchmark]: Witness Printer took 90.22ms. Allocated memory is still 216.0MB. Free memory was 152.4MB in the beginning and 149.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:52:26,679 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 125.8MB. Free memory was 67.9MB in the beginning and 67.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.91ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 103.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.03ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 100.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.31ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 99.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 681.97ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 128.9MB in the end (delta: -29.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3034.08ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 128.9MB in the beginning and 152.4MB in the end (delta: -23.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 90.22ms. Allocated memory is still 216.0MB. Free memory was 152.4MB in the beginning and 149.2MB 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 175 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 208 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 819 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 819 mSDsluCounter, 897 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 576 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 321 mSDtfsCounter, 88 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: 865]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int switchedOnBeforeTS ; [L511] int waterLevel = 1; [L512] int methaneLevelCritical = 0; [L600] int cleanupTimeShifts = 4; [L702] int pumpRunning = 0; [L703] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L677] int retValue_acc ; [L678] int tmp ; [L682] FCALL select_helpers() [L683] FCALL select_features() [L684] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L684] RET, EXPR valid_product() [L684] tmp = valid_product() [L686] COND TRUE \read(tmp) [L688] FCALL setup() [L689] CALL runTest() [L670] CALL __utac_acc__Specification5_spec__1() [L462] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L670] RET __utac_acc__Specification5_spec__1() [L671] CALL test() [L856] int splverifierCounter ; [L857] int tmp ; [L858] int tmp___0 ; [L859] int tmp___1 ; [L860] int tmp___2 ; [L863] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L865] COND TRUE 1 [L867] COND TRUE splverifierCounter < 4 [L873] tmp = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp)) [L883] tmp___0 = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp___0)) [L893] tmp___2 = __VERIFIER_nondet_int() [L895] COND TRUE \read(tmp___2) [L908] CALL timeShift() [L710] CALL __utac_acc__Specification5_spec__2() [L471] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L471] RET, EXPR isPumpRunning() [L471] switchedOnBeforeTS = isPumpRunning() [L710] RET __utac_acc__Specification5_spec__2() [L712] COND FALSE !(\read(pumpRunning)) [L719] COND TRUE \read(systemActive) [L721] CALL processEnvironment() [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L759] FCALL processEnvironment__wrappee__methaneQuery() [L721] RET processEnvironment() [L727] CALL __utac_acc__Specification5_spec__3() [L477] int tmp ; [L478] int tmp___0 ; [L482] CALL, EXPR getWaterLevel() [L582] int retValue_acc ; [L585] retValue_acc = waterLevel [L586] return (retValue_acc); [L482] RET, EXPR getWaterLevel() [L482] tmp = getWaterLevel() [L484] COND TRUE tmp != 2 [L486] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L486] RET, EXPR isPumpRunning() [L486] tmp___0 = isPumpRunning() [L488] COND FALSE !(\read(tmp___0)) [L727] RET __utac_acc__Specification5_spec__3() [L908] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 865]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int switchedOnBeforeTS ; [L511] int waterLevel = 1; [L512] int methaneLevelCritical = 0; [L600] int cleanupTimeShifts = 4; [L702] int pumpRunning = 0; [L703] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L677] int retValue_acc ; [L678] int tmp ; [L682] FCALL select_helpers() [L683] FCALL select_features() [L684] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L684] RET, EXPR valid_product() [L684] tmp = valid_product() [L686] COND TRUE \read(tmp) [L688] FCALL setup() [L689] CALL runTest() [L670] CALL __utac_acc__Specification5_spec__1() [L462] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L670] RET __utac_acc__Specification5_spec__1() [L671] CALL test() [L856] int splverifierCounter ; [L857] int tmp ; [L858] int tmp___0 ; [L859] int tmp___1 ; [L860] int tmp___2 ; [L863] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L865] COND TRUE 1 [L867] COND TRUE splverifierCounter < 4 [L873] tmp = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp)) [L883] tmp___0 = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp___0)) [L893] tmp___2 = __VERIFIER_nondet_int() [L895] COND TRUE \read(tmp___2) [L908] CALL timeShift() [L710] CALL __utac_acc__Specification5_spec__2() [L471] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L471] RET, EXPR isPumpRunning() [L471] switchedOnBeforeTS = isPumpRunning() [L710] RET __utac_acc__Specification5_spec__2() [L712] COND FALSE !(\read(pumpRunning)) [L719] COND TRUE \read(systemActive) [L721] CALL processEnvironment() [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L759] FCALL processEnvironment__wrappee__methaneQuery() [L721] RET processEnvironment() [L727] CALL __utac_acc__Specification5_spec__3() [L477] int tmp ; [L478] int tmp___0 ; [L482] CALL, EXPR getWaterLevel() [L582] int retValue_acc ; [L585] retValue_acc = waterLevel [L586] return (retValue_acc); [L482] RET, EXPR getWaterLevel() [L482] tmp = getWaterLevel() [L484] COND TRUE tmp != 2 [L486] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L486] RET, EXPR isPumpRunning() [L486] tmp___0 = isPumpRunning() [L488] COND FALSE !(\read(tmp___0)) [L727] RET __utac_acc__Specification5_spec__3() [L908] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:52:26,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbff0ce9-11bb-45b3-8dae-09f3b8c66e1b/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)