./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af36d03ba4a1f12ddb625aab4b3f9906d028707aefb4e7150e31be2b1be8c075 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:21:15,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:21:15,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:21:15,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:21:15,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:21:15,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:21:15,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:21:15,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:21:15,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:21:15,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:21:15,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:21:15,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:21:15,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:21:15,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:21:15,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:21:15,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:21:15,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:21:15,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:21:15,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:21:15,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:21:15,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:21:15,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:21:15,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:21:15,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:21:15,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:21:15,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:21:15,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:21:15,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:21:15,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:21:15,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:21:15,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:21:15,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:21:15,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:21:15,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:21:15,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:21:15,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:21:15,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:21:15,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:21:15,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:21:15,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:21:15,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:21:15,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 15:21:15,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:21:15,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:21:15,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:21:15,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:21:15,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:21:15,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:21:15,453 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:21:15,453 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 15:21:15,453 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 15:21:15,453 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 15:21:15,454 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 15:21:15,454 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 15:21:15,454 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 15:21:15,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:21:15,454 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:21:15,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:21:15,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:21:15,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:21:15,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:21:15,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 15:21:15,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 15:21:15,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 15:21:15,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:21:15,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:21:15,456 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 15:21:15,456 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:21:15,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 15:21:15,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:21:15,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:21:15,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:21:15,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:21:15,458 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 15:21:15,458 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_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af36d03ba4a1f12ddb625aab4b3f9906d028707aefb4e7150e31be2b1be8c075 [2022-12-13 15:21:15,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:21:15,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:21:15,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:21:15,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:21:15,656 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:21:15,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2022-12-13 15:21:18,149 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:21:18,339 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:21:18,339 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2022-12-13 15:21:18,347 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/data/f46abd0a8/e81c710d0ad3404ba3d22db3ab38916d/FLAG5edb92926 [2022-12-13 15:21:18,719 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/data/f46abd0a8/e81c710d0ad3404ba3d22db3ab38916d [2022-12-13 15:21:18,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:21:18,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:21:18,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:21:18,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:21:18,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:21:18,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:21:18" (1/1) ... [2022-12-13 15:21:18,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec73850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:18, skipping insertion in model container [2022-12-13 15:21:18,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:21:18" (1/1) ... [2022-12-13 15:21:18,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:21:18,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:21:18,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3438,3451] [2022-12-13 15:21:18,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:21:18,952 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:21:18,964 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3438,3451] [2022-12-13 15:21:18,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:21:19,007 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:21:19,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19 WrapperNode [2022-12-13 15:21:19,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:21:19,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:21:19,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:21:19,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:21:19,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,046 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 58, calls inlined = 87, statements flattened = 551 [2022-12-13 15:21:19,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:21:19,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:21:19,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:21:19,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:21:19,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:21:19,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:21:19,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:21:19,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:21:19,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (1/1) ... [2022-12-13 15:21:19,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:21:19,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:21:19,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:21:19,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 15:21:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:21:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:21:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:21:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:21:19,187 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:21:19,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:21:19,493 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:21:19,499 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:21:19,499 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:21:19,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:21:19 BoogieIcfgContainer [2022-12-13 15:21:19,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:21:19,502 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 15:21:19,502 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 15:21:19,504 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 15:21:19,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:21:19,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 03:21:18" (1/3) ... [2022-12-13 15:21:19,506 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9073574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:21:19, skipping insertion in model container [2022-12-13 15:21:19,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:21:19,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:19" (2/3) ... [2022-12-13 15:21:19,506 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9073574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:21:19, skipping insertion in model container [2022-12-13 15:21:19,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:21:19,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:21:19" (3/3) ... [2022-12-13 15:21:19,507 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product32.cil.c [2022-12-13 15:21:19,549 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 15:21:19,549 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 15:21:19,549 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 15:21:19,549 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 15:21:19,549 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 15:21:19,549 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 15:21:19,549 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 15:21:19,549 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 15:21:19,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:19,571 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-12-13 15:21:19,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:21:19,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:21:19,576 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:19,577 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:19,577 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 15:21:19,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:19,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-12-13 15:21:19,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:21:19,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:21:19,582 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:19,582 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:19,586 INFO L748 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 128#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 107#valid_product_returnLabel#1true main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 52#L177true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 83#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 144#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 121#L442-2true [2022-12-13 15:21:19,587 INFO L750 eck$LassoCheckResult]: Loop: 121#L442-2true assume !false; 63#L443true assume test_~splverifierCounter~0#1 < 4; 118#L444true test_~tmp~5#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 92#L452true assume !(0 != test_~tmp~5#1); 50#L452-2true test_~tmp___0~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 95#L462true assume !(0 != test_~tmp___0~1#1); 15#L462-2true test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 26#L472true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 39#L480true assume !(0 != test_~tmp___1~0#1); 47#L480-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 138#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23#1;havoc __utac_acc__Specification5_spec__2_#t~ret23#1; 96#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 101#L221true assume !(0 != ~pumpRunning~0); 66#L221-2true assume !(0 != ~systemActive~0); 59#L228-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_#t~ret25#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 68#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret24#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 108#L529true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 164#L529-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 69#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 121#L442-2true [2022-12-13 15:21:19,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:19,591 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 15:21:19,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:19,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651705667] [2022-12-13 15:21:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:19,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:19,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:21:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:19,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:21:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1866432377, now seen corresponding path program 1 times [2022-12-13 15:21:19,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:19,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175803438] [2022-12-13 15:21:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:19,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:21:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:19,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:21:19,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:19,708 INFO L85 PathProgramCache]: Analyzing trace with hash -998786576, now seen corresponding path program 1 times [2022-12-13 15:21:19,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:19,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616904015] [2022-12-13 15:21:19,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:19,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:21:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:21:19,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:21:19,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616904015] [2022-12-13 15:21:19,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616904015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:21:19,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:21:19,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:21:19,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785243247] [2022-12-13 15:21:19,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:21:19,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:21:20,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:21:20,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:21:20,007 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:20,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:21:20,134 INFO L93 Difference]: Finished difference Result 541 states and 696 transitions. [2022-12-13 15:21:20,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 541 states and 696 transitions. [2022-12-13 15:21:20,142 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 352 [2022-12-13 15:21:20,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 541 states to 501 states and 656 transitions. [2022-12-13 15:21:20,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2022-12-13 15:21:20,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 501 [2022-12-13 15:21:20,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 501 states and 656 transitions. [2022-12-13 15:21:20,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:21:20,152 INFO L218 hiAutomatonCegarLoop]: Abstraction has 501 states and 656 transitions. [2022-12-13 15:21:20,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states and 656 transitions. [2022-12-13 15:21:20,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 213. [2022-12-13 15:21:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 213 states have (on average 1.3098591549295775) internal successors, (279), 212 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 279 transitions. [2022-12-13 15:21:20,183 INFO L240 hiAutomatonCegarLoop]: Abstraction has 213 states and 279 transitions. [2022-12-13 15:21:20,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:21:20,186 INFO L428 stractBuchiCegarLoop]: Abstraction has 213 states and 279 transitions. [2022-12-13 15:21:20,186 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 15:21:20,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 213 states and 279 transitions. [2022-12-13 15:21:20,188 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2022-12-13 15:21:20,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:21:20,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:21:20,188 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:20,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:20,189 INFO L748 eck$LassoCheckResult]: Stem: 762#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 763#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 760#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 761#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 861#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 805#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 806#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 839#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 827#L442-2 [2022-12-13 15:21:20,189 INFO L750 eck$LassoCheckResult]: Loop: 827#L442-2 assume !false; 819#L443 assume test_~splverifierCounter~0#1 < 4; 820#L444 test_~tmp~5#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 846#L452 assume !(0 != test_~tmp~5#1); 783#L452-2 test_~tmp___0~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 803#L462 assume !(0 != test_~tmp___0~1#1); 745#L462-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 746#L472 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 766#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 786#L480-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 801#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23#1;havoc __utac_acc__Specification5_spec__2_#t~ret23#1; 850#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 851#L221 assume !(0 != ~pumpRunning~0); 824#L221-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 811#L279 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret6#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 812#L253-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 724#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 725#L253-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 757#L279-1 assume { :end_inline_processEnvironment } true; 814#L228-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_#t~ret25#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 815#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret24#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 825#L529 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 860#L529-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 826#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 827#L442-2 [2022-12-13 15:21:20,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:20,190 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 15:21:20,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:20,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507800128] [2022-12-13 15:21:20,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:20,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:21:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:21:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:20,204 INFO L85 PathProgramCache]: Analyzing trace with hash -818157738, now seen corresponding path program 1 times [2022-12-13 15:21:20,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:20,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566444279] [2022-12-13 15:21:20,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:20,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:21:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:21:20,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:20,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1054302401, now seen corresponding path program 1 times [2022-12-13 15:21:20,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:20,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910157536] [2022-12-13 15:21:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:20,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:21:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:21:20,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:21:20,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910157536] [2022-12-13 15:21:20,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910157536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:21:20,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:21:20,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:21:20,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49363508] [2022-12-13 15:21:20,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:21:20,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:21:20,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:21:20,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:21:20,430 INFO L87 Difference]: Start difference. First operand 213 states and 279 transitions. cyclomatic complexity: 69 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:20,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:21:20,586 INFO L93 Difference]: Finished difference Result 945 states and 1233 transitions. [2022-12-13 15:21:20,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 945 states and 1233 transitions. [2022-12-13 15:21:20,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 650 [2022-12-13 15:21:20,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 945 states to 945 states and 1233 transitions. [2022-12-13 15:21:20,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 945 [2022-12-13 15:21:20,595 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 945 [2022-12-13 15:21:20,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 945 states and 1233 transitions. [2022-12-13 15:21:20,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:21:20,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 945 states and 1233 transitions. [2022-12-13 15:21:20,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states and 1233 transitions. [2022-12-13 15:21:20,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 412. [2022-12-13 15:21:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 412 states have (on average 1.2912621359223302) internal successors, (532), 411 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:21:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 532 transitions. [2022-12-13 15:21:20,611 INFO L240 hiAutomatonCegarLoop]: Abstraction has 412 states and 532 transitions. [2022-12-13 15:21:20,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:21:20,612 INFO L428 stractBuchiCegarLoop]: Abstraction has 412 states and 532 transitions. [2022-12-13 15:21:20,612 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 15:21:20,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 412 states and 532 transitions. [2022-12-13 15:21:20,615 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 294 [2022-12-13 15:21:20,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:21:20,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:21:20,617 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:20,617 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:21:20,617 INFO L748 eck$LassoCheckResult]: Stem: 1939#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1940#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1937#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1938#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 2051#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 1985#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1986#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2024#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2010#L442-2 [2022-12-13 15:21:20,617 INFO L750 eck$LassoCheckResult]: Loop: 2010#L442-2 assume !false; 2001#L443 assume test_~splverifierCounter~0#1 < 4; 2002#L444 test_~tmp~5#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 2197#L452 assume !(0 != test_~tmp~5#1); 2195#L452-2 test_~tmp___0~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 2193#L462 assume !(0 != test_~tmp___0~1#1); 2191#L462-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 2189#L472 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1987#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1988#L480-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2234#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23#1;havoc __utac_acc__Specification5_spec__2_#t~ret23#1; 2038#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2039#L221 assume !(0 != ~pumpRunning~0); 2006#L221-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1993#L279 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret6#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 1994#L253-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1900#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1901#L253-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1934#L279-1 assume { :end_inline_processEnvironment } true; 2096#L228-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_#t~ret25#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2007#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret24#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 2008#L529 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2012#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret25#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret25#1;havoc __utac_acc__Specification5_spec__3_#t~ret25#1; 2013#L533 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 2211#L529-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2009#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2010#L442-2 [2022-12-13 15:21:20,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:20,618 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 15:21:20,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:20,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17079023] [2022-12-13 15:21:20,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:20,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:21:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:21:20,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:20,630 INFO L85 PathProgramCache]: Analyzing trace with hash -289667663, now seen corresponding path program 1 times [2022-12-13 15:21:20,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:20,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635320168] [2022-12-13 15:21:20,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:20,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:21:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:21:20,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:21:20,639 INFO L85 PathProgramCache]: Analyzing trace with hash 408577882, now seen corresponding path program 1 times [2022-12-13 15:21:20,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:21:20,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966301384] [2022-12-13 15:21:20,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:21:20,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:21:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:21:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:20,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:21:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:21,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:21:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:21:21,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 03:21:21 BoogieIcfgContainer [2022-12-13 15:21:21,419 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 15:21:21,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:21:21,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:21:21,420 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:21:21,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:21:19" (3/4) ... [2022-12-13 15:21:21,422 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 15:21:21,455 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:21:21,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:21:21,456 INFO L158 Benchmark]: Toolchain (without parser) took 2733.73ms. Allocated memory was 123.7MB in the beginning and 220.2MB in the end (delta: 96.5MB). Free memory was 88.7MB in the beginning and 150.3MB in the end (delta: -61.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-12-13 15:21:21,456 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:21:21,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.45ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 70.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 15:21:21,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.92ms. Allocated memory is still 123.7MB. Free memory was 69.8MB in the beginning and 66.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:21:21,457 INFO L158 Benchmark]: Boogie Preprocessor took 23.57ms. Allocated memory is still 123.7MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:21:21,457 INFO L158 Benchmark]: RCFGBuilder took 429.87ms. Allocated memory was 123.7MB in the beginning and 220.2MB in the end (delta: 96.5MB). Free memory was 64.6MB in the beginning and 186.6MB in the end (delta: -122.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-12-13 15:21:21,457 INFO L158 Benchmark]: BuchiAutomizer took 1917.49ms. Allocated memory is still 220.2MB. Free memory was 185.7MB in the beginning and 153.5MB in the end (delta: 32.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-12-13 15:21:21,457 INFO L158 Benchmark]: Witness Printer took 35.64ms. Allocated memory is still 220.2MB. Free memory was 153.5MB in the beginning and 150.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:21:21,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.45ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 70.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.92ms. Allocated memory is still 123.7MB. Free memory was 69.8MB in the beginning and 66.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.57ms. Allocated memory is still 123.7MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.87ms. Allocated memory was 123.7MB in the beginning and 220.2MB in the end (delta: 96.5MB). Free memory was 64.6MB in the beginning and 186.6MB in the end (delta: -122.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1917.49ms. Allocated memory is still 220.2MB. Free memory was 185.7MB in the beginning and 153.5MB in the end (delta: 32.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 35.64ms. Allocated memory is still 220.2MB. Free memory was 153.5MB in the beginning and 150.3MB 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 412 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. 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, 821 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1890 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1890 mSDsluCounter, 2924 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2417 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 507 mSDtfsCounter, 172 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: 442]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L209] int pumpRunning = 0; [L210] int systemActive = 1; [L502] int switchedOnBeforeTS ; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L917] int waterLevel = 1; [L918] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L168] int retValue_acc ; [L169] int tmp ; [L173] FCALL select_helpers() [L174] FCALL select_features() [L175] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L175] RET, EXPR valid_product() [L175] tmp = valid_product() [L177] COND TRUE \read(tmp) [L179] FCALL setup() [L180] CALL runTest() [L161] CALL __utac_acc__Specification5_spec__1() [L507] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L161] RET __utac_acc__Specification5_spec__1() [L162] CALL test() [L433] int splverifierCounter ; [L434] int tmp ; [L435] int tmp___0 ; [L436] int tmp___1 ; [L437] int tmp___2 ; [L440] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L442] COND TRUE 1 [L444] COND TRUE splverifierCounter < 4 [L450] tmp = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp)) [L460] tmp___0 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___0)) [L470] tmp___2 = __VERIFIER_nondet_int() [L472] COND TRUE \read(tmp___2) [L474] CALL startSystem() [L427] systemActive = 1 [L474] RET startSystem() [L489] CALL timeShift() [L219] CALL __utac_acc__Specification5_spec__2() [L516] CALL, EXPR isPumpRunning() [L345] int retValue_acc ; [L348] retValue_acc = pumpRunning [L349] return (retValue_acc); [L516] RET, EXPR isPumpRunning() [L516] switchedOnBeforeTS = isPumpRunning() [L219] RET __utac_acc__Specification5_spec__2() [L221] COND FALSE !(\read(pumpRunning)) [L228] COND TRUE \read(systemActive) [L230] CALL processEnvironment() [L276] int tmp ; [L279] COND FALSE !(\read(pumpRunning)) [L294] CALL processEnvironment__wrappee__methaneQuery() [L250] int tmp ; [L253] COND FALSE !(\read(pumpRunning)) [L268] FCALL processEnvironment__wrappee__base() [L294] RET processEnvironment__wrappee__methaneQuery() [L230] RET processEnvironment() [L236] CALL __utac_acc__Specification5_spec__3() [L522] int tmp ; [L523] int tmp___0 ; [L527] CALL, EXPR getWaterLevel() [L988] int retValue_acc ; [L991] retValue_acc = waterLevel [L992] return (retValue_acc); [L527] RET, EXPR getWaterLevel() [L527] tmp = getWaterLevel() [L529] COND TRUE tmp != 2 [L531] CALL, EXPR isPumpRunning() [L345] int retValue_acc ; [L348] retValue_acc = pumpRunning [L349] return (retValue_acc); [L531] RET, EXPR isPumpRunning() [L531] tmp___0 = isPumpRunning() [L533] COND FALSE !(\read(tmp___0)) [L236] RET __utac_acc__Specification5_spec__3() [L489] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 442]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L209] int pumpRunning = 0; [L210] int systemActive = 1; [L502] int switchedOnBeforeTS ; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L917] int waterLevel = 1; [L918] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L168] int retValue_acc ; [L169] int tmp ; [L173] FCALL select_helpers() [L174] FCALL select_features() [L175] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L175] RET, EXPR valid_product() [L175] tmp = valid_product() [L177] COND TRUE \read(tmp) [L179] FCALL setup() [L180] CALL runTest() [L161] CALL __utac_acc__Specification5_spec__1() [L507] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L161] RET __utac_acc__Specification5_spec__1() [L162] CALL test() [L433] int splverifierCounter ; [L434] int tmp ; [L435] int tmp___0 ; [L436] int tmp___1 ; [L437] int tmp___2 ; [L440] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L442] COND TRUE 1 [L444] COND TRUE splverifierCounter < 4 [L450] tmp = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp)) [L460] tmp___0 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___0)) [L470] tmp___2 = __VERIFIER_nondet_int() [L472] COND TRUE \read(tmp___2) [L474] CALL startSystem() [L427] systemActive = 1 [L474] RET startSystem() [L489] CALL timeShift() [L219] CALL __utac_acc__Specification5_spec__2() [L516] CALL, EXPR isPumpRunning() [L345] int retValue_acc ; [L348] retValue_acc = pumpRunning [L349] return (retValue_acc); [L516] RET, EXPR isPumpRunning() [L516] switchedOnBeforeTS = isPumpRunning() [L219] RET __utac_acc__Specification5_spec__2() [L221] COND FALSE !(\read(pumpRunning)) [L228] COND TRUE \read(systemActive) [L230] CALL processEnvironment() [L276] int tmp ; [L279] COND FALSE !(\read(pumpRunning)) [L294] CALL processEnvironment__wrappee__methaneQuery() [L250] int tmp ; [L253] COND FALSE !(\read(pumpRunning)) [L268] FCALL processEnvironment__wrappee__base() [L294] RET processEnvironment__wrappee__methaneQuery() [L230] RET processEnvironment() [L236] CALL __utac_acc__Specification5_spec__3() [L522] int tmp ; [L523] int tmp___0 ; [L527] CALL, EXPR getWaterLevel() [L988] int retValue_acc ; [L991] retValue_acc = waterLevel [L992] return (retValue_acc); [L527] RET, EXPR getWaterLevel() [L527] tmp = getWaterLevel() [L529] COND TRUE tmp != 2 [L531] CALL, EXPR isPumpRunning() [L345] int retValue_acc ; [L348] retValue_acc = pumpRunning [L349] return (retValue_acc); [L531] RET, EXPR isPumpRunning() [L531] tmp___0 = isPumpRunning() [L533] COND FALSE !(\read(tmp___0)) [L236] RET __utac_acc__Specification5_spec__3() [L489] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 15:21:21,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4450e7cc-4fb8-4380-9f61-0b0c234a7915/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)