./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ --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 dc16baed9582dc03b8c04a72a2e3374c4a73ebd0268e0a32bbf7f86bd3b5da48 --- 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-dbf71c6-m [2022-10-17 10:54:02,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:54:02,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:54:02,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:54:02,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:54:02,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:54:02,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:54:02,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:54:02,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:54:02,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:54:02,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:54:02,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:54:02,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:54:02,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:54:02,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:54:02,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:54:02,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:54:02,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:54:02,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:54:02,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:54:02,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:54:02,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:54:02,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:54:02,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:54:02,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:54:02,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:54:02,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:54:02,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:54:02,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:54:02,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:54:02,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:54:02,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:54:02,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:54:02,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:54:02,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:54:02,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:54:02,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:54:02,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:54:02,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:54:02,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:54:02,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:54:02,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:54:02,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:54:02,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:54:02,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:54:02,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:54:02,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:54:02,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:54:02,373 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:54:02,374 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:54:02,374 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:54:02,374 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:54:02,374 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:54:02,375 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:54:02,375 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:54:02,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:54:02,375 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:54:02,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:54:02,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:54:02,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:54:02,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:54:02,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:54:02,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:54:02,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:54:02,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:54:02,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:54:02,378 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:54:02,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:54:02,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:54:02,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:54:02,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:54:02,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:54:02,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:54:02,380 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:54:02,381 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_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc16baed9582dc03b8c04a72a2e3374c4a73ebd0268e0a32bbf7f86bd3b5da48 [2022-10-17 10:54:02,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:54:02,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:54:02,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:54:02,707 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:54:02,707 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:54:02,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2022-10-17 10:54:02,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/data/8cf340572/28aad598f25240d68d66fb296abcae64/FLAG4b3961367 [2022-10-17 10:54:03,525 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:54:03,527 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2022-10-17 10:54:03,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/data/8cf340572/28aad598f25240d68d66fb296abcae64/FLAG4b3961367 [2022-10-17 10:54:03,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/data/8cf340572/28aad598f25240d68d66fb296abcae64 [2022-10-17 10:54:03,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:54:03,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:54:03,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:03,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:54:03,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:54:03,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:03" (1/1) ... [2022-10-17 10:54:03,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd94b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:03, skipping insertion in model container [2022-10-17 10:54:03,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:03" (1/1) ... [2022-10-17 10:54:03,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:54:03,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:54:04,248 WARN L230 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_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2022-10-17 10:54:04,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:04,277 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:54:04,358 WARN L230 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_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2022-10-17 10:54:04,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:04,391 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:54:04,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04 WrapperNode [2022-10-17 10:54:04,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:04,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:04,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:54:04,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:54:04,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,466 INFO L138 Inliner]: procedures = 52, calls = 148, calls flagged for inlining = 45, calls inlined = 40, statements flattened = 321 [2022-10-17 10:54:04,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:04,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:54:04,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:54:04,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:54:04,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:54:04,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:54:04,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:54:04,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:54:04,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (1/1) ... [2022-10-17 10:54:04,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:54:04,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:54:04,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:54:04,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:54:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:54:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:54:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:54:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:54:04,757 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:54:04,760 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:54:05,198 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:54:05,207 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:54:05,207 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:54:05,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:05 BoogieIcfgContainer [2022-10-17 10:54:05,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:54:05,211 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:54:05,211 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:54:05,216 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:54:05,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:54:05,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:54:03" (1/3) ... [2022-10-17 10:54:05,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a7a0e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:54:05, skipping insertion in model container [2022-10-17 10:54:05,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:54:05,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:04" (2/3) ... [2022-10-17 10:54:05,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a7a0e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:54:05, skipping insertion in model container [2022-10-17 10:54:05,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:54:05,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:05" (3/3) ... [2022-10-17 10:54:05,222 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2022-10-17 10:54:05,332 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:54:05,332 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:54:05,332 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:54:05,333 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:54:05,333 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:54:05,333 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:54:05,333 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:54:05,333 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:54:05,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 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) [2022-10-17 10:54:05,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-10-17 10:54:05,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:54:05,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:54:05,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:05,401 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] [2022-10-17 10:54:05,402 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:54:05,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 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) [2022-10-17 10:54:05,418 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-10-17 10:54:05,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:54:05,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:54:05,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:05,420 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] [2022-10-17 10:54:05,439 INFO L748 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 55#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~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 9#L779true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4#L772true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 69#L787true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 19#L875true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 20#L851true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 60#L711true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#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; 37#L639-2true [2022-10-17 10:54:05,440 INFO L750 eck$LassoCheckResult]: Loop: 37#L639-2true assume !false; 40#L640true assume test_~splverifierCounter~0#1 < 4; 61#L641true test_~tmp~3#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 79#L649true assume !(0 != test_~tmp~3#1); 75#L649-2true test_~tmp___0~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 38#L659true assume !(0 != test_~tmp___0~0#1); 11#L659-2true test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 65#L669true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 12#L677true assume 0 != test_~tmp___1~0#1; 83#L677-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 18#L579true __utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; 22#L721true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 56#L520true assume !(0 != ~pumpRunning~0); 14#L520-2true assume !(0 != ~systemActive~0); 48#L527-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 74#L497true __utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 34#L732true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 80#L732-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 24#L537true assume { :end_inline_timeShift } true; 37#L639-2true [2022-10-17 10:54:05,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:05,452 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-10-17 10:54:05,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:05,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574466672] [2022-10-17 10:54:05,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:05,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:05,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:05,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:54:05,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:05,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1534970164, now seen corresponding path program 1 times [2022-10-17 10:54:05,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:05,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958766934] [2022-10-17 10:54:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:05,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:05,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:05,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:54:05,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:05,796 INFO L85 PathProgramCache]: Analyzing trace with hash -105221821, now seen corresponding path program 1 times [2022-10-17 10:54:05,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:05,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019416766] [2022-10-17 10:54:05,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:05,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:06,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:06,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019416766] [2022-10-17 10:54:06,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019416766] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:06,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:06,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:54:06,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118891215] [2022-10-17 10:54:06,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:06,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:06,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:54:06,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:54:06,546 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 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) [2022-10-17 10:54:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:06,630 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2022-10-17 10:54:06,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 102 transitions. [2022-10-17 10:54:06,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-10-17 10:54:06,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 73 states and 92 transitions. [2022-10-17 10:54:06,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2022-10-17 10:54:06,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2022-10-17 10:54:06,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 92 transitions. [2022-10-17 10:54:06,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:54:06,659 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-10-17 10:54:06,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 92 transitions. [2022-10-17 10:54:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-10-17 10:54:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 72 states have internal predecessors, (92), 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) [2022-10-17 10:54:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-10-17 10:54:06,706 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-10-17 10:54:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:54:06,712 INFO L428 stractBuchiCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-10-17 10:54:06,712 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:54:06,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 92 transitions. [2022-10-17 10:54:06,714 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-10-17 10:54:06,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:54:06,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:54:06,715 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:06,715 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] [2022-10-17 10:54:06,716 INFO L748 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 249#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~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 200#L779 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 190#L772 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 191#L787 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 214#L875 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 215#L851 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 216#L711 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#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; 221#L639-2 [2022-10-17 10:54:06,716 INFO L750 eck$LassoCheckResult]: Loop: 221#L639-2 assume !false; 233#L640 assume test_~splverifierCounter~0#1 < 4; 236#L641 test_~tmp~3#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 255#L649 assume !(0 != test_~tmp~3#1); 239#L649-2 test_~tmp___0~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 234#L659 assume !(0 != test_~tmp___0~0#1); 207#L659-2 test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 208#L669 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 201#L677 assume 0 != test_~tmp___1~0#1; 202#L677-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 212#L579 __utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; 213#L721 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 219#L520 assume !(0 != ~pumpRunning~0); 205#L520-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 206#L544 assume { :end_inline_processEnvironment } true; 244#L527-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 245#L497 __utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 232#L732 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 231#L732-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 220#L537 assume { :end_inline_timeShift } true; 221#L639-2 [2022-10-17 10:54:06,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:06,717 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-10-17 10:54:06,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:06,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636590144] [2022-10-17 10:54:06,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:06,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:06,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:06,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:54:06,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:06,750 INFO L85 PathProgramCache]: Analyzing trace with hash 288466093, now seen corresponding path program 1 times [2022-10-17 10:54:06,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:06,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053621350] [2022-10-17 10:54:06,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:06,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:06,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:06,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:54:06,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:06,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1660991766, now seen corresponding path program 1 times [2022-10-17 10:54:06,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:06,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440303187] [2022-10-17 10:54:06,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:06,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:06,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:06,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440303187] [2022-10-17 10:54:06,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440303187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:06,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:06,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:54:07,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785678176] [2022-10-17 10:54:07,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:07,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:07,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:54:07,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:54:07,176 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:07,337 INFO L93 Difference]: Finished difference Result 189 states and 234 transitions. [2022-10-17 10:54:07,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 189 states and 234 transitions. [2022-10-17 10:54:07,346 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 92 [2022-10-17 10:54:07,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 189 states to 189 states and 234 transitions. [2022-10-17 10:54:07,355 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 189 [2022-10-17 10:54:07,358 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 189 [2022-10-17 10:54:07,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 189 states and 234 transitions. [2022-10-17 10:54:07,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:54:07,366 INFO L218 hiAutomatonCegarLoop]: Abstraction has 189 states and 234 transitions. [2022-10-17 10:54:07,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states and 234 transitions. [2022-10-17 10:54:07,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 134. [2022-10-17 10:54:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 1.2313432835820894) internal successors, (165), 133 states have internal predecessors, (165), 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) [2022-10-17 10:54:07,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 165 transitions. [2022-10-17 10:54:07,385 INFO L240 hiAutomatonCegarLoop]: Abstraction has 134 states and 165 transitions. [2022-10-17 10:54:07,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:54:07,386 INFO L428 stractBuchiCegarLoop]: Abstraction has 134 states and 165 transitions. [2022-10-17 10:54:07,387 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:54:07,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 165 transitions. [2022-10-17 10:54:07,390 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 92 [2022-10-17 10:54:07,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:54:07,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:54:07,392 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:07,392 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:07,393 INFO L748 eck$LassoCheckResult]: Stem: 544#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 533#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~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 476#L779 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 467#L772 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 468#L787 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 493#L875 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 494#L851 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 495#L711 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#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; 502#L639-2 [2022-10-17 10:54:07,393 INFO L750 eck$LassoCheckResult]: Loop: 502#L639-2 assume !false; 514#L640 assume test_~splverifierCounter~0#1 < 4; 517#L641 test_~tmp~3#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 537#L649 assume !(0 != test_~tmp~3#1); 547#L649-2 test_~tmp___0~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 515#L659 assume !(0 != test_~tmp___0~0#1); 479#L659-2 test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 480#L669 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 481#L677 assume 0 != test_~tmp___1~0#1; 482#L677-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 491#L579 __utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; 492#L721 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 498#L520 assume !(0 != ~pumpRunning~0); 483#L520-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 484#L544 assume { :end_inline_processEnvironment } true; 532#L527-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 592#L497 __utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 513#L732 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 489#L579-1 __utac_acc__Specification5_spec__3_#t~ret47#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 490#L736 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 512#L732-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 501#L537 assume { :end_inline_timeShift } true; 502#L639-2 [2022-10-17 10:54:07,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:07,394 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-10-17 10:54:07,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:07,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708913160] [2022-10-17 10:54:07,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:07,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:07,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:07,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:54:07,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:07,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1976058392, now seen corresponding path program 1 times [2022-10-17 10:54:07,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:07,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016139339] [2022-10-17 10:54:07,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:07,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:07,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:07,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:54:07,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:07,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1533846511, now seen corresponding path program 1 times [2022-10-17 10:54:07,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:07,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400858510] [2022-10-17 10:54:07,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:07,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:07,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:07,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:54:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:11,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:11,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:54:11 BoogieIcfgContainer [2022-10-17 10:54:11,925 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:54:11,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:54:11,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:54:11,927 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:54:11,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:05" (3/4) ... [2022-10-17 10:54:11,930 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-10-17 10:54:12,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:54:12,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:54:12,005 INFO L158 Benchmark]: Toolchain (without parser) took 8241.90ms. Allocated memory was 88.1MB in the beginning and 167.8MB in the end (delta: 79.7MB). Free memory was 50.5MB in the beginning and 139.0MB in the end (delta: -88.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:54:12,005 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:54:12,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.56ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.3MB in the beginning and 73.8MB in the end (delta: -23.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:54:12,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.48ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 71.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:54:12,007 INFO L158 Benchmark]: Boogie Preprocessor took 73.27ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:54:12,008 INFO L158 Benchmark]: RCFGBuilder took 668.80ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 51.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:54:12,009 INFO L158 Benchmark]: BuchiAutomizer took 6714.74ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 51.1MB in the beginning and 141.1MB in the end (delta: -90.0MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-10-17 10:54:12,010 INFO L158 Benchmark]: Witness Printer took 77.59ms. Allocated memory is still 167.8MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:54:12,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.56ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.3MB in the beginning and 73.8MB in the end (delta: -23.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.48ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 71.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.27ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.80ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 51.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 6714.74ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 51.1MB in the beginning and 141.1MB in the end (delta: -90.0MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * Witness Printer took 77.59ms. Allocated memory is still 167.8MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 134 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 615 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 615 mSDsluCounter, 501 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 264 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 237 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 639]: 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; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L705] int switchedOnBeforeTS ; [L792] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L866] int retValue_acc ; [L867] int tmp ; [L871] FCALL select_helpers() [L872] FCALL select_features() [L873] CALL, EXPR valid_product() [L783] int retValue_acc ; [L786] retValue_acc = 1 [L787] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L873] RET, EXPR valid_product() [L873] tmp = valid_product() [L875] COND TRUE \read(tmp) [L877] FCALL setup() [L878] CALL runTest() [L859] CALL __utac_acc__Specification5_spec__1() [L710] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L859] RET __utac_acc__Specification5_spec__1() [L860] CALL test() [L630] int splverifierCounter ; [L631] int tmp ; [L632] int tmp___0 ; [L633] int tmp___1 ; [L634] int tmp___2 ; [L637] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L639] COND TRUE 1 [L641] COND TRUE splverifierCounter < 4 [L647] tmp = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp)) [L657] tmp___0 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___0)) [L667] tmp___2 = __VERIFIER_nondet_int() [L669] COND FALSE !(\read(tmp___2)) [L675] tmp___1 = __VERIFIER_nondet_int() [L677] COND TRUE \read(tmp___1) [L684] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L719] CALL, EXPR isPumpRunning() [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L719] RET, EXPR isPumpRunning() [L719] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] FCALL processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L725] int tmp ; [L726] int tmp___0 ; [L730] CALL, EXPR getWaterLevel() [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L730] RET, EXPR getWaterLevel() [L730] tmp = getWaterLevel() [L732] COND TRUE tmp != 2 [L734] CALL, EXPR isPumpRunning() [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L734] RET, EXPR isPumpRunning() [L734] tmp___0 = isPumpRunning() [L736] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L684] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 639]: 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; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L705] int switchedOnBeforeTS ; [L792] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L866] int retValue_acc ; [L867] int tmp ; [L871] FCALL select_helpers() [L872] FCALL select_features() [L873] CALL, EXPR valid_product() [L783] int retValue_acc ; [L786] retValue_acc = 1 [L787] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L873] RET, EXPR valid_product() [L873] tmp = valid_product() [L875] COND TRUE \read(tmp) [L877] FCALL setup() [L878] CALL runTest() [L859] CALL __utac_acc__Specification5_spec__1() [L710] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L859] RET __utac_acc__Specification5_spec__1() [L860] CALL test() [L630] int splverifierCounter ; [L631] int tmp ; [L632] int tmp___0 ; [L633] int tmp___1 ; [L634] int tmp___2 ; [L637] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L639] COND TRUE 1 [L641] COND TRUE splverifierCounter < 4 [L647] tmp = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp)) [L657] tmp___0 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___0)) [L667] tmp___2 = __VERIFIER_nondet_int() [L669] COND FALSE !(\read(tmp___2)) [L675] tmp___1 = __VERIFIER_nondet_int() [L677] COND TRUE \read(tmp___1) [L684] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L719] CALL, EXPR isPumpRunning() [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L719] RET, EXPR isPumpRunning() [L719] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] FCALL processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L725] int tmp ; [L726] int tmp___0 ; [L730] CALL, EXPR getWaterLevel() [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L730] RET, EXPR getWaterLevel() [L730] tmp = getWaterLevel() [L732] COND TRUE tmp != 2 [L734] CALL, EXPR isPumpRunning() [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L734] RET, EXPR isPumpRunning() [L734] tmp___0 = isPumpRunning() [L736] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L684] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 10:54:12,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f20c92-9ec5-4169-a850-b9ba10a47c3e/bin/uautomizer-J5u9QxTXDZ/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)