./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:19:40,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:19:40,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:19:40,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:19:40,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:19:40,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:19:40,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:19:40,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:19:40,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:19:40,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:19:40,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:19:40,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:19:40,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:19:40,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:19:40,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:19:40,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:19:40,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:19:40,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:19:40,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:19:40,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:19:40,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:19:40,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:19:40,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:19:40,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:19:40,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:19:40,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:19:40,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:19:40,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:19:40,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:19:40,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:19:40,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:19:40,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:19:40,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:19:40,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:19:40,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:19:40,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:19:40,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:19:40,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:19:40,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:19:40,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:19:40,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:19:40,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 20:19:40,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:19:40,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:19:40,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:19:40,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:19:40,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:19:40,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:19:40,360 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:19:40,360 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 20:19:40,360 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 20:19:40,360 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 20:19:40,360 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 20:19:40,360 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 20:19:40,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 20:19:40,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:19:40,360 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:19:40,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 20:19:40,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:19:40,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:19:40,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:19:40,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:19:40,363 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 20:19:40,363 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_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 [2022-12-13 20:19:40,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:19:40,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:19:40,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:19:40,549 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:19:40,549 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:19:40,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-12-13 20:19:43,190 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:19:43,368 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:19:43,369 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-12-13 20:19:43,376 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/data/f1940d47f/1eca71bcfd624172b27c022d6c85f690/FLAG305ed1aa0 [2022-12-13 20:19:43,388 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/data/f1940d47f/1eca71bcfd624172b27c022d6c85f690 [2022-12-13 20:19:43,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:19:43,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:19:43,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:19:43,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:19:43,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:19:43,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67452229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43, skipping insertion in model container [2022-12-13 20:19:43,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:19:43,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:19:43,595 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_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2022-12-13 20:19:43,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:19:43,630 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:19:43,661 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_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2022-12-13 20:19:43,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:19:43,686 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:19:43,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43 WrapperNode [2022-12-13 20:19:43,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:19:43,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:19:43,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:19:43,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:19:43,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,725 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 58, calls inlined = 105, statements flattened = 701 [2022-12-13 20:19:43,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:19:43,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:19:43,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:19:43,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:19:43,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:19:43,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:19:43,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:19:43,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:19:43,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (1/1) ... [2022-12-13 20:19:43,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:19:43,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:19:43,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:19:43,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 20:19:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:19:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:19:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:19:43,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:19:43,906 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:19:43,908 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:19:44,239 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:19:44,246 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:19:44,246 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:19:44,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:19:44 BoogieIcfgContainer [2022-12-13 20:19:44,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:19:44,248 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 20:19:44,248 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 20:19:44,251 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 20:19:44,252 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:19:44,252 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 08:19:43" (1/3) ... [2022-12-13 20:19:44,253 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d7ca8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:19:44, skipping insertion in model container [2022-12-13 20:19:44,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:19:44,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:19:43" (2/3) ... [2022-12-13 20:19:44,253 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d7ca8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:19:44, skipping insertion in model container [2022-12-13 20:19:44,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:19:44,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:19:44" (3/3) ... [2022-12-13 20:19:44,254 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2022-12-13 20:19:44,297 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 20:19:44,297 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 20:19:44,297 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 20:19:44,297 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 20:19:44,297 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 20:19:44,297 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 20:19:44,297 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 20:19:44,298 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 20:19:44,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 194 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:44,320 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2022-12-13 20:19:44,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:19:44,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:19:44,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:44,326 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:44,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 20:19:44,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 194 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:44,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2022-12-13 20:19:44,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:19:44,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:19:44,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:44,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:44,336 INFO L748 eck$LassoCheckResult]: Stem: 105#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 116#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 15#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 175#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 62#valid_product_returnLabel#1true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 82#L913true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 48#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 182#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 64#L441-2true [2022-12-13 20:19:44,337 INFO L750 eck$LassoCheckResult]: Loop: 64#L441-2true assume !false; 104#L442true assume test_~splverifierCounter~0#1 < 4; 38#L443true test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 92#L451true assume !(0 != test_~tmp~3#1); 161#L451-2true test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 4#L461true assume !(0 != test_~tmp___0~0#1); 18#L461-2true test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 16#L471true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 140#L479true assume !(0 != test_~tmp___1~0#1); 106#L479-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 179#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 152#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 117#L520true assume !(0 != ~pumpRunning~0); 148#L520-2true assume !(0 != ~systemActive~0); 69#L527-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 134#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 193#L954true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 42#L954-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 135#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 64#L441-2true [2022-12-13 20:19:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:44,341 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 20:19:44,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:44,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002672429] [2022-12-13 20:19:44,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:44,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:44,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:44,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:19:44,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:44,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1422697415, now seen corresponding path program 1 times [2022-12-13 20:19:44,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:44,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569492318] [2022-12-13 20:19:44,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:44,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:44,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:44,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:19:44,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:44,465 INFO L85 PathProgramCache]: Analyzing trace with hash 7050928, now seen corresponding path program 1 times [2022-12-13 20:19:44,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:44,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137115146] [2022-12-13 20:19:44,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:44,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:19:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:19:44,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:19:44,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137115146] [2022-12-13 20:19:44,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137115146] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:19:44,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:19:44,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:19:44,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663462175] [2022-12-13 20:19:44,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:19:44,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:19:44,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:19:44,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:19:44,771 INFO L87 Difference]: Start difference. First operand has 195 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 194 states have internal predecessors, (262), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:44,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:19:44,902 INFO L93 Difference]: Finished difference Result 631 states and 822 transitions. [2022-12-13 20:19:44,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 631 states and 822 transitions. [2022-12-13 20:19:44,910 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 412 [2022-12-13 20:19:44,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 631 states to 591 states and 782 transitions. [2022-12-13 20:19:44,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 591 [2022-12-13 20:19:44,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 591 [2022-12-13 20:19:44,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 591 states and 782 transitions. [2022-12-13 20:19:44,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:19:44,920 INFO L218 hiAutomatonCegarLoop]: Abstraction has 591 states and 782 transitions. [2022-12-13 20:19:44,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states and 782 transitions. [2022-12-13 20:19:44,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 243. [2022-12-13 20:19:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 242 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 321 transitions. [2022-12-13 20:19:44,950 INFO L240 hiAutomatonCegarLoop]: Abstraction has 243 states and 321 transitions. [2022-12-13 20:19:44,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:19:44,954 INFO L428 stractBuchiCegarLoop]: Abstraction has 243 states and 321 transitions. [2022-12-13 20:19:44,954 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 20:19:44,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 243 states and 321 transitions. [2022-12-13 20:19:44,955 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 169 [2022-12-13 20:19:44,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:19:44,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:19:44,956 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:44,956 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:44,956 INFO L748 eck$LassoCheckResult]: Stem: 895#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 896#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 886#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 887#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1006#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 1007#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 981#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 982#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 966#L441-2 [2022-12-13 20:19:44,956 INFO L750 eck$LassoCheckResult]: Loop: 966#L441-2 assume !false; 891#L442 assume test_~splverifierCounter~0#1 < 4; 892#L443 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 959#L451 assume !(0 != test_~tmp~3#1); 953#L451-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 850#L461 assume !(0 != test_~tmp___0~0#1); 852#L461-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 888#L471 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 889#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 901#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 902#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 993#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 923#L520 assume !(0 != ~pumpRunning~0); 924#L520-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 941#L578 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 942#L552-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 844#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 845#L552-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 907#L578-1 assume { :end_inline_processEnvironment } true; 949#L527-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 963#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 964#L954 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 969#L954-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 965#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 966#L441-2 [2022-12-13 20:19:44,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:44,957 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 20:19:44,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:44,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335084946] [2022-12-13 20:19:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:44,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:44,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:19:44,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:44,971 INFO L85 PathProgramCache]: Analyzing trace with hash -945628793, now seen corresponding path program 1 times [2022-12-13 20:19:44,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:44,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489948600] [2022-12-13 20:19:44,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:19:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:19:44,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:19:44,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489948600] [2022-12-13 20:19:44,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489948600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:19:44,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:19:44,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:19:44,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541311850] [2022-12-13 20:19:44,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:19:44,987 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 20:19:44,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:19:44,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:19:44,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:19:44,988 INFO L87 Difference]: Start difference. First operand 243 states and 321 transitions. cyclomatic complexity: 81 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:45,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:19:45,041 INFO L93 Difference]: Finished difference Result 309 states and 391 transitions. [2022-12-13 20:19:45,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 309 states and 391 transitions. [2022-12-13 20:19:45,044 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2022-12-13 20:19:45,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 309 states to 309 states and 391 transitions. [2022-12-13 20:19:45,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 309 [2022-12-13 20:19:45,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 309 [2022-12-13 20:19:45,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 309 states and 391 transitions. [2022-12-13 20:19:45,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:19:45,050 INFO L218 hiAutomatonCegarLoop]: Abstraction has 309 states and 391 transitions. [2022-12-13 20:19:45,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states and 391 transitions. [2022-12-13 20:19:45,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2022-12-13 20:19:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 309 states have (on average 1.2653721682847896) internal successors, (391), 308 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 391 transitions. [2022-12-13 20:19:45,064 INFO L240 hiAutomatonCegarLoop]: Abstraction has 309 states and 391 transitions. [2022-12-13 20:19:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:19:45,065 INFO L428 stractBuchiCegarLoop]: Abstraction has 309 states and 391 transitions. [2022-12-13 20:19:45,065 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 20:19:45,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states and 391 transitions. [2022-12-13 20:19:45,067 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2022-12-13 20:19:45,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:19:45,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:19:45,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:45,068 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:45,068 INFO L748 eck$LassoCheckResult]: Stem: 1452#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 1453#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1442#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1443#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1572#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 1573#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1539#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1540#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1602#L441-2 [2022-12-13 20:19:45,068 INFO L750 eck$LassoCheckResult]: Loop: 1602#L441-2 assume !false; 1695#L442 assume test_~splverifierCounter~0#1 < 4; 1515#L443 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1516#L451 assume !(0 != test_~tmp~3#1); 1506#L451-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1406#L461 assume !(0 != test_~tmp___0~0#1); 1408#L461-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1444#L471 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1445#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1509#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1696#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 1555#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1481#L520 assume !(0 != ~pumpRunning~0); 1482#L520-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1496#L578 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1497#L552-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1450#L815-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1451#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 1480#L697-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1541#L697-5 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1593#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret31#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret31#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1; 1498#L556-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1473#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1464#L552-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1465#L578-1 assume { :end_inline_processEnvironment } true; 1502#L527-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1703#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1701#L954 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 1698#L954-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1697#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1602#L441-2 [2022-12-13 20:19:45,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:45,069 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 20:19:45,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:45,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682007571] [2022-12-13 20:19:45,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:45,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:45,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:45,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:19:45,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:45,082 INFO L85 PathProgramCache]: Analyzing trace with hash -672416385, now seen corresponding path program 1 times [2022-12-13 20:19:45,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:45,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548140282] [2022-12-13 20:19:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:45,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:19:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:19:45,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:19:45,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548140282] [2022-12-13 20:19:45,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548140282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:19:45,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:19:45,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:19:45,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695760530] [2022-12-13 20:19:45,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:19:45,127 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 20:19:45,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:19:45,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:19:45,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:19:45,128 INFO L87 Difference]: Start difference. First operand 309 states and 391 transitions. cyclomatic complexity: 85 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:19:45,253 INFO L93 Difference]: Finished difference Result 865 states and 1072 transitions. [2022-12-13 20:19:45,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 865 states and 1072 transitions. [2022-12-13 20:19:45,258 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 571 [2022-12-13 20:19:45,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 865 states to 865 states and 1072 transitions. [2022-12-13 20:19:45,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 865 [2022-12-13 20:19:45,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 865 [2022-12-13 20:19:45,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 865 states and 1072 transitions. [2022-12-13 20:19:45,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:19:45,262 INFO L218 hiAutomatonCegarLoop]: Abstraction has 865 states and 1072 transitions. [2022-12-13 20:19:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states and 1072 transitions. [2022-12-13 20:19:45,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 607. [2022-12-13 20:19:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 607 states have (on average 1.240527182866557) internal successors, (753), 606 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:19:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 753 transitions. [2022-12-13 20:19:45,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 607 states and 753 transitions. [2022-12-13 20:19:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:19:45,274 INFO L428 stractBuchiCegarLoop]: Abstraction has 607 states and 753 transitions. [2022-12-13 20:19:45,274 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 20:19:45,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 607 states and 753 transitions. [2022-12-13 20:19:45,276 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 435 [2022-12-13 20:19:45,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:19:45,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:19:45,277 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:45,277 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:19:45,277 INFO L748 eck$LassoCheckResult]: Stem: 2642#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 2643#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2635#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2636#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 2764#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 2765#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2729#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2730#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2800#L441-2 [2022-12-13 20:19:45,277 INFO L750 eck$LassoCheckResult]: Loop: 2800#L441-2 assume !false; 3158#L442 assume test_~splverifierCounter~0#1 < 4; 3156#L443 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 3155#L451 assume !(0 != test_~tmp~3#1); 2766#L451-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 2767#L461 assume !(0 != test_~tmp___0~0#1); 3179#L461-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 3178#L471 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2633#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 2698#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2795#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 2744#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2671#L520 assume !(0 != ~pumpRunning~0); 2672#L520-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2686#L578 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 2687#L552-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 2640#L815-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 2641#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 2670#L697-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2728#L697-5 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 2789#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret31#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret31#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1; 2688#L556-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2663#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2654#L552-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2655#L578-1 assume { :end_inline_processEnvironment } true; 2694#L527-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 2709#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 2710#L954 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2717#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 2718#L958 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 3163#L954-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3162#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2800#L441-2 [2022-12-13 20:19:45,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:45,278 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-12-13 20:19:45,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:45,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783950127] [2022-12-13 20:19:45,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:45,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:45,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:45,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:19:45,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:45,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1966147110, now seen corresponding path program 1 times [2022-12-13 20:19:45,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:45,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338327044] [2022-12-13 20:19:45,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:45,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:45,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:45,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:19:45,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:19:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1369589565, now seen corresponding path program 1 times [2022-12-13 20:19:45,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:19:45,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382528141] [2022-12-13 20:19:45,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:19:45,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:19:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:45,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:45,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:19:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:46,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:19:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:19:46,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 08:19:46 BoogieIcfgContainer [2022-12-13 20:19:46,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 20:19:46,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:19:46,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:19:46,230 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:19:46,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:19:44" (3/4) ... [2022-12-13 20:19:46,233 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 20:19:46,280 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:19:46,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:19:46,288 INFO L158 Benchmark]: Toolchain (without parser) took 2896.46ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 146.6MB in the beginning and 180.8MB in the end (delta: -34.2MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2022-12-13 20:19:46,288 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 102.8MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:19:46,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.86ms. Allocated memory is still 178.3MB. Free memory was 145.7MB in the beginning and 127.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:19:46,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.13ms. Allocated memory is still 178.3MB. Free memory was 127.1MB in the beginning and 123.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:19:46,289 INFO L158 Benchmark]: Boogie Preprocessor took 41.73ms. Allocated memory is still 178.3MB. Free memory was 123.8MB in the beginning and 120.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:19:46,290 INFO L158 Benchmark]: RCFGBuilder took 479.95ms. Allocated memory is still 178.3MB. Free memory was 120.8MB in the beginning and 95.3MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 20:19:46,290 INFO L158 Benchmark]: BuchiAutomizer took 1980.74ms. Allocated memory is still 178.3MB. Free memory was 95.3MB in the beginning and 56.5MB in the end (delta: 38.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-13 20:19:46,290 INFO L158 Benchmark]: Witness Printer took 57.44ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 56.5MB in the beginning and 180.8MB in the end (delta: -124.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-12-13 20:19:46,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 102.8MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.86ms. Allocated memory is still 178.3MB. Free memory was 145.7MB in the beginning and 127.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.13ms. Allocated memory is still 178.3MB. Free memory was 127.1MB in the beginning and 123.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.73ms. Allocated memory is still 178.3MB. Free memory was 123.8MB in the beginning and 120.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.95ms. Allocated memory is still 178.3MB. Free memory was 120.8MB in the beginning and 95.3MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1980.74ms. Allocated memory is still 178.3MB. Free memory was 95.3MB in the beginning and 56.5MB in the end (delta: 38.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 57.44ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 56.5MB in the beginning and 180.8MB in the end (delta: -124.3MB). Peak memory consumption was 10.0MB. 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 607 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 606 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, 2417 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2417 mSDsluCounter, 3249 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2377 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 872 mSDtfsCounter, 169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 441]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L732] int waterLevel = 1; [L733] int methaneLevelCritical = 0; [L826] int cleanupTimeShifts = 4; [L927] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L904] int retValue_acc ; [L905] int tmp ; [L909] FCALL select_helpers() [L910] FCALL select_features() [L911] CALL, EXPR valid_product() [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L911] RET, EXPR valid_product() [L911] tmp = valid_product() [L913] COND TRUE \read(tmp) [L915] FCALL setup() [L916] CALL runTest() [L894] CALL __utac_acc__Specification5_spec__1() [L932] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L894] RET __utac_acc__Specification5_spec__1() [L895] CALL test() [L432] int splverifierCounter ; [L433] int tmp ; [L434] int tmp___0 ; [L435] int tmp___1 ; [L436] int tmp___2 ; [L439] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L441] COND TRUE 1 [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp)) [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___0)) [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND TRUE \read(tmp___2) [L473] CALL startSystem() [L726] systemActive = 1 [L473] RET startSystem() [L488] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L941] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L941] RET, EXPR isPumpRunning() [L941] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] CALL processEnvironment() [L575] int tmp ; [L578] COND FALSE !(\read(pumpRunning)) [L593] CALL processEnvironment__wrappee__methaneQuery() [L549] int tmp ; [L552] COND TRUE ! pumpRunning [L554] CALL, EXPR isHighWaterLevel() [L689] int retValue_acc ; [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR isHighWaterSensorDry() [L812] int retValue_acc ; [L815] COND TRUE waterLevel < 2 [L816] retValue_acc = 1 [L817] return (retValue_acc); [L695] RET, EXPR isHighWaterSensorDry() [L695] tmp = isHighWaterSensorDry() [L697] COND TRUE \read(tmp) [L698] tmp___0 = 0 [L702] retValue_acc = tmp___0 [L703] return (retValue_acc); [L554] RET, EXPR isHighWaterLevel() [L554] tmp = isHighWaterLevel() [L556] COND FALSE !(\read(tmp)) [L562] FCALL processEnvironment__wrappee__base() [L593] RET processEnvironment__wrappee__methaneQuery() [L529] RET processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L947] int tmp ; [L948] int tmp___0 ; [L952] CALL, EXPR getWaterLevel() [L803] int retValue_acc ; [L806] retValue_acc = waterLevel [L807] return (retValue_acc); [L952] RET, EXPR getWaterLevel() [L952] tmp = getWaterLevel() [L954] COND TRUE tmp != 2 [L956] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L956] RET, EXPR isPumpRunning() [L956] tmp___0 = isPumpRunning() [L958] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L488] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 441]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L732] int waterLevel = 1; [L733] int methaneLevelCritical = 0; [L826] int cleanupTimeShifts = 4; [L927] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L904] int retValue_acc ; [L905] int tmp ; [L909] FCALL select_helpers() [L910] FCALL select_features() [L911] CALL, EXPR valid_product() [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L911] RET, EXPR valid_product() [L911] tmp = valid_product() [L913] COND TRUE \read(tmp) [L915] FCALL setup() [L916] CALL runTest() [L894] CALL __utac_acc__Specification5_spec__1() [L932] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L894] RET __utac_acc__Specification5_spec__1() [L895] CALL test() [L432] int splverifierCounter ; [L433] int tmp ; [L434] int tmp___0 ; [L435] int tmp___1 ; [L436] int tmp___2 ; [L439] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L441] COND TRUE 1 [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp)) [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___0)) [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND TRUE \read(tmp___2) [L473] CALL startSystem() [L726] systemActive = 1 [L473] RET startSystem() [L488] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L941] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L941] RET, EXPR isPumpRunning() [L941] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] CALL processEnvironment() [L575] int tmp ; [L578] COND FALSE !(\read(pumpRunning)) [L593] CALL processEnvironment__wrappee__methaneQuery() [L549] int tmp ; [L552] COND TRUE ! pumpRunning [L554] CALL, EXPR isHighWaterLevel() [L689] int retValue_acc ; [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR isHighWaterSensorDry() [L812] int retValue_acc ; [L815] COND TRUE waterLevel < 2 [L816] retValue_acc = 1 [L817] return (retValue_acc); [L695] RET, EXPR isHighWaterSensorDry() [L695] tmp = isHighWaterSensorDry() [L697] COND TRUE \read(tmp) [L698] tmp___0 = 0 [L702] retValue_acc = tmp___0 [L703] return (retValue_acc); [L554] RET, EXPR isHighWaterLevel() [L554] tmp = isHighWaterLevel() [L556] COND FALSE !(\read(tmp)) [L562] FCALL processEnvironment__wrappee__base() [L593] RET processEnvironment__wrappee__methaneQuery() [L529] RET processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L947] int tmp ; [L948] int tmp___0 ; [L952] CALL, EXPR getWaterLevel() [L803] int retValue_acc ; [L806] retValue_acc = waterLevel [L807] return (retValue_acc); [L952] RET, EXPR getWaterLevel() [L952] tmp = getWaterLevel() [L954] COND TRUE tmp != 2 [L956] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L956] RET, EXPR isPumpRunning() [L956] tmp___0 = isPumpRunning() [L958] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L488] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:19:46,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb8b6c9-f971-49fd-84e5-0183d82d9ba2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)