./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8 --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 9a99cd47cb89075c534de557ec34a8319cd4d0f3080d4e7f4d1690c11fbbfbd6 --- 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-e04fb08 [2022-11-16 12:17:19,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:17:19,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:17:19,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:17:19,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:17:19,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:17:19,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:17:19,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:17:19,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:17:19,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:17:19,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:17:19,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:17:19,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:17:19,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:17:19,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:17:19,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:17:19,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:17:19,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:17:19,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:17:19,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:17:19,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:17:19,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:17:19,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:17:19,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:17:19,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:17:19,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:17:19,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:17:19,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:17:19,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:17:19,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:17:19,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:17:19,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:17:19,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:17:19,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:17:19,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:17:19,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:17:19,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:17:19,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:17:19,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:17:19,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:17:19,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:17:19,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:17:19,443 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:17:19,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:17:19,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:17:19,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:17:19,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:17:19,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:17:19,446 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:17:19,446 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:17:19,447 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:17:19,447 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:17:19,448 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:17:19,448 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:17:19,448 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:17:19,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:17:19,449 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:17:19,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:17:19,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:17:19,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:17:19,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:17:19,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:17:19,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:17:19,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:17:19,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:17:19,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:17:19,451 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:17:19,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:17:19,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:17:19,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:17:19,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:17:19,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:17:19,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:17:19,454 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:17:19,455 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_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a99cd47cb89075c534de557ec34a8319cd4d0f3080d4e7f4d1690c11fbbfbd6 [2022-11-16 12:17:19,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:17:19,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:17:19,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:17:19,860 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:17:19,861 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:17:19,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2022-11-16 12:17:19,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/data/d53f0480b/b68cedbf0d554ef684570000f6212d49/FLAG81169ddd2 [2022-11-16 12:17:20,616 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:17:20,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2022-11-16 12:17:20,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/data/d53f0480b/b68cedbf0d554ef684570000f6212d49/FLAG81169ddd2 [2022-11-16 12:17:20,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/data/d53f0480b/b68cedbf0d554ef684570000f6212d49 [2022-11-16 12:17:20,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:17:20,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:17:20,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:17:20,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:17:20,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:17:20,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:20" (1/1) ... [2022-11-16 12:17:20,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9f7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:20, skipping insertion in model container [2022-11-16 12:17:20,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:20" (1/1) ... [2022-11-16 12:17:20,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:17:20,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:17:21,300 WARN L229 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_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c[14789,14802] [2022-11-16 12:17:21,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:17:21,349 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:17:21,418 WARN L229 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_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c[14789,14802] [2022-11-16 12:17:21,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:17:21,449 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:17:21,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21 WrapperNode [2022-11-16 12:17:21,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:17:21,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:17:21,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:17:21,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:17:21,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,536 INFO L138 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 48, calls inlined = 54, statements flattened = 399 [2022-11-16 12:17:21,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:17:21,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:17:21,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:17:21,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:17:21,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,599 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:17:21,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:17:21,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:17:21,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:17:21,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (1/1) ... [2022-11-16 12:17:21,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:21,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:21,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:21,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:17:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:17:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:17:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:17:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:17:21,834 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:17:21,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:17:22,389 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:17:22,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:17:22,399 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:17:22,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:22 BoogieIcfgContainer [2022-11-16 12:17:22,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:17:22,404 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:17:22,404 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:17:22,410 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:17:22,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:17:22,411 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:17:20" (1/3) ... [2022-11-16 12:17:22,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7daf39a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:17:22, skipping insertion in model container [2022-11-16 12:17:22,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:17:22,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:21" (2/3) ... [2022-11-16 12:17:22,414 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7daf39a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:17:22, skipping insertion in model container [2022-11-16 12:17:22,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:17:22,414 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:22" (3/3) ... [2022-11-16 12:17:22,416 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product05.cil.c [2022-11-16 12:17:22,482 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:17:22,482 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:17:22,482 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:17:22,483 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:17:22,483 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:17:22,483 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:17:22,483 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:17:22,483 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:17:22,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:22,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-16 12:17:22,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:22,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:22,520 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:22,520 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:22,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:17:22,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:22,526 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-16 12:17:22,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:22,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:22,528 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:22,528 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:22,534 INFO L748 eck$LassoCheckResult]: Stem: 98#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 43#L890true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 32#L883true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 74#L898true main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 72#L774true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 12#L747true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 88#L59true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 59#L258-2true [2022-11-16 12:17:22,535 INFO L750 eck$LassoCheckResult]: Loop: 59#L258-2true assume !false; 57#L259true assume test_~splverifierCounter~0#1 < 4; 55#L260true test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 20#L268true assume !(0 != test_~tmp~2#1); 83#L268-2true test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 107#L278true assume !(0 != test_~tmp___0~1#1); 4#L278-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 25#L288true assume 0 != test_~tmp___2~0#1; 41#L294-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 91#L204true __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 16#L69true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 99#L119true assume !(0 != ~pumpRunning~0); 37#L119-2true assume !(0 != ~systemActive~0); 45#L126-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#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; 21#L863true __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 9#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 96#L80-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 17#L136true assume { :end_inline_timeShift } true; 59#L258-2true [2022-11-16 12:17:22,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:22,541 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-16 12:17:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:22,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47913808] [2022-11-16 12:17:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:22,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:22,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:22,815 INFO L85 PathProgramCache]: Analyzing trace with hash 12018380, now seen corresponding path program 1 times [2022-11-16 12:17:22,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:22,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049639760] [2022-11-16 12:17:22,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:22,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:22,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:22,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:22,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1327334027, now seen corresponding path program 1 times [2022-11-16 12:17:22,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:22,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60596197] [2022-11-16 12:17:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:22,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:23,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:23,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60596197] [2022-11-16 12:17:23,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60596197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:23,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:23,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:17:23,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852611153] [2022-11-16 12:17:23,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:23,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:23,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:17:23,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:17:23,481 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:23,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:17:23,564 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2022-11-16 12:17:23,566 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 128 transitions. [2022-11-16 12:17:23,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-11-16 12:17:23,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 93 states and 118 transitions. [2022-11-16 12:17:23,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2022-11-16 12:17:23,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2022-11-16 12:17:23,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 118 transitions. [2022-11-16 12:17:23,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:23,578 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-11-16 12:17:23,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 118 transitions. [2022-11-16 12:17:23,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-16 12:17:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 92 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 118 transitions. [2022-11-16 12:17:23,612 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-11-16 12:17:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:17:23,620 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-11-16 12:17:23,620 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:17:23,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 118 transitions. [2022-11-16 12:17:23,621 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-11-16 12:17:23,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:23,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:23,622 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:23,622 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:23,623 INFO L748 eck$LassoCheckResult]: Stem: 317#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 311#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 312#L890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 307#L883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 278#L898 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 274#L774 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 249#L747 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 250#L59 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 238#L258-2 [2022-11-16 12:17:23,623 INFO L750 eck$LassoCheckResult]: Loop: 238#L258-2 assume !false; 229#L259 assume test_~splverifierCounter~0#1 < 4; 230#L260 test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 279#L268 assume !(0 != test_~tmp~2#1); 280#L268-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 298#L278 assume !(0 != test_~tmp___0~1#1); 232#L278-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 233#L288 assume 0 != test_~tmp___2~0#1; 287#L294-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 313#L204 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 262#L69 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 263#L119 assume !(0 != ~pumpRunning~0); 314#L119-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 264#L151 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 266#L143-1 assume { :end_inline_processEnvironment__wrappee__base } true; 273#L151-1 assume { :end_inline_processEnvironment } true; 297#L126-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#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; 281#L863 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 242#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 244#L80-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 267#L136 assume { :end_inline_timeShift } true; 238#L258-2 [2022-11-16 12:17:23,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:23,624 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-16 12:17:23,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:23,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086690280] [2022-11-16 12:17:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:23,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:23,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:23,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:23,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:23,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1748331923, now seen corresponding path program 1 times [2022-11-16 12:17:23,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:23,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965104398] [2022-11-16 12:17:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:23,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:23,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:23,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:23,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:23,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2145258276, now seen corresponding path program 1 times [2022-11-16 12:17:23,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:23,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049074712] [2022-11-16 12:17:23,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:23,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:23,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:23,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049074712] [2022-11-16 12:17:23,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049074712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:23,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:23,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:17:23,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811177476] [2022-11-16 12:17:23,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:23,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:17:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:17:23,975 INFO L87 Difference]: Start difference. First operand 93 states and 118 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:24,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:17:24,115 INFO L93 Difference]: Finished difference Result 262 states and 329 transitions. [2022-11-16 12:17:24,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 329 transitions. [2022-11-16 12:17:24,120 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 118 [2022-11-16 12:17:24,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 262 states and 329 transitions. [2022-11-16 12:17:24,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 262 [2022-11-16 12:17:24,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 262 [2022-11-16 12:17:24,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 262 states and 329 transitions. [2022-11-16 12:17:24,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:24,125 INFO L218 hiAutomatonCegarLoop]: Abstraction has 262 states and 329 transitions. [2022-11-16 12:17:24,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states and 329 transitions. [2022-11-16 12:17:24,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 174. [2022-11-16 12:17:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 174 states have (on average 1.2471264367816093) internal successors, (217), 173 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 217 transitions. [2022-11-16 12:17:24,138 INFO L240 hiAutomatonCegarLoop]: Abstraction has 174 states and 217 transitions. [2022-11-16 12:17:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:17:24,139 INFO L428 stractBuchiCegarLoop]: Abstraction has 174 states and 217 transitions. [2022-11-16 12:17:24,139 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:17:24,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 174 states and 217 transitions. [2022-11-16 12:17:24,142 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 118 [2022-11-16 12:17:24,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:24,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:24,142 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:24,143 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:24,143 INFO L748 eck$LassoCheckResult]: Stem: 699#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 684#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 685#L890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 678#L883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 647#L898 main_#t~ret44#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 646#L774 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 619#L747 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 620#L59 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 609#L258-2 [2022-11-16 12:17:24,153 INFO L750 eck$LassoCheckResult]: Loop: 609#L258-2 assume !false; 602#L259 assume test_~splverifierCounter~0#1 < 4; 603#L260 test_~tmp~2#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 649#L268 assume !(0 != test_~tmp~2#1); 650#L268-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 770#L278 assume !(0 != test_~tmp___0~1#1); 768#L278-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 766#L288 assume 0 != test_~tmp___2~0#1; 765#L294-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 686#L204 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 632#L69 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 633#L119 assume !(0 != ~pumpRunning~0); 687#L119-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 688#L151 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 726#L143-1 assume { :end_inline_processEnvironment__wrappee__base } true; 725#L151-1 assume { :end_inline_processEnvironment } true; 694#L126-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#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; 651#L863 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 613#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 614#L204-1 __utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 695#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 682#L80-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 637#L136 assume { :end_inline_timeShift } true; 609#L258-2 [2022-11-16 12:17:24,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:24,155 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-16 12:17:24,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:24,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619478341] [2022-11-16 12:17:24,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:24,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:24,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:24,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:24,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:24,178 INFO L85 PathProgramCache]: Analyzing trace with hash -833864152, now seen corresponding path program 1 times [2022-11-16 12:17:24,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:24,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589931956] [2022-11-16 12:17:24,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:24,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:24,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:24,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:24,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:24,191 INFO L85 PathProgramCache]: Analyzing trace with hash -10197729, now seen corresponding path program 1 times [2022-11-16 12:17:24,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:24,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444941291] [2022-11-16 12:17:24,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:24,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:24,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:24,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:28,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:28,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:17:28 BoogieIcfgContainer [2022-11-16 12:17:28,437 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:17:28,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:17:28,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:17:28,438 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:17:28,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:22" (3/4) ... [2022-11-16 12:17:28,441 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:17:28,523 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:17:28,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:17:28,525 INFO L158 Benchmark]: Toolchain (without parser) took 7660.98ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 94.9MB in the beginning and 79.2MB in the end (delta: 15.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-11-16 12:17:28,525 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:17:28,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.91ms. Allocated memory is still 138.4MB. Free memory was 94.8MB in the beginning and 102.1MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:17:28,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.71ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 99.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:28,527 INFO L158 Benchmark]: Boogie Preprocessor took 66.26ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 97.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:28,528 INFO L158 Benchmark]: RCFGBuilder took 798.82ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 77.9MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 12:17:28,529 INFO L158 Benchmark]: BuchiAutomizer took 6032.90ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 77.4MB in the beginning and 82.3MB in the end (delta: -4.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-11-16 12:17:28,530 INFO L158 Benchmark]: Witness Printer took 86.46ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 79.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:28,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.91ms. Allocated memory is still 138.4MB. Free memory was 94.8MB in the beginning and 102.1MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.71ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 99.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.26ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 97.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.82ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 77.9MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 6032.90ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 77.4MB in the beginning and 82.3MB in the end (delta: -4.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 86.46ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 79.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 174 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 88 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, 752 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 752 mSDsluCounter, 683 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 368 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 315 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: 258]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L482] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methaneLevelCritical = 0; [L109] int pumpRunning = 0; [L788] int waterLevel = 1; [L110] int systemActive = 1; [L53] int switchedOnBeforeTS ; [L688] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L765] int retValue_acc ; [L766] int tmp ; [L770] FCALL select_helpers() [L771] FCALL select_features() [L772] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L772] RET, EXPR valid_product() [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) [L776] FCALL setup() [L777] CALL runTest() [L755] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L755] RET __utac_acc__Specification5_spec__1() [L756] CALL test() [L249] int splverifierCounter ; [L250] int tmp ; [L251] int tmp___0 ; [L252] int tmp___1 ; [L253] int tmp___2 ; [L256] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L258] COND TRUE 1 [L260] COND TRUE splverifierCounter < 4 [L266] tmp = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp)) [L276] tmp___0 = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp___0)) [L286] tmp___2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp___2) [L301] CALL timeShift() [L117] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L117] RET __utac_acc__Specification5_spec__2() [L119] COND FALSE !(\read(pumpRunning)) [L126] COND TRUE \read(systemActive) [L128] CALL processEnvironment() [L148] int tmp ; [L151] COND FALSE !(\read(pumpRunning)) [L166] FCALL processEnvironment__wrappee__base() [L128] RET processEnvironment() [L134] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L134] RET __utac_acc__Specification5_spec__3() [L301] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 258]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L482] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methaneLevelCritical = 0; [L109] int pumpRunning = 0; [L788] int waterLevel = 1; [L110] int systemActive = 1; [L53] int switchedOnBeforeTS ; [L688] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L765] int retValue_acc ; [L766] int tmp ; [L770] FCALL select_helpers() [L771] FCALL select_features() [L772] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L772] RET, EXPR valid_product() [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) [L776] FCALL setup() [L777] CALL runTest() [L755] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L755] RET __utac_acc__Specification5_spec__1() [L756] CALL test() [L249] int splverifierCounter ; [L250] int tmp ; [L251] int tmp___0 ; [L252] int tmp___1 ; [L253] int tmp___2 ; [L256] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L258] COND TRUE 1 [L260] COND TRUE splverifierCounter < 4 [L266] tmp = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp)) [L276] tmp___0 = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp___0)) [L286] tmp___2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp___2) [L301] CALL timeShift() [L117] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L117] RET __utac_acc__Specification5_spec__2() [L119] COND FALSE !(\read(pumpRunning)) [L126] COND TRUE \read(systemActive) [L128] CALL processEnvironment() [L148] int tmp ; [L151] COND FALSE !(\read(pumpRunning)) [L166] FCALL processEnvironment__wrappee__base() [L128] RET processEnvironment() [L134] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L200] int retValue_acc ; [L203] retValue_acc = pumpRunning [L204] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L134] RET __utac_acc__Specification5_spec__3() [L301] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:17:28,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61d87bb-b214-4b64-b08b-586cbb3bc1cc/bin/uautomizer-tPACEb0tL8/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)