./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/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_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/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_8da10503-7d11-4b39-8a19-914e3f0b1a99/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 9f40985114caeb048340f647c2568d018899bc3d78f19b72dfc5765d669ba2a6 --- 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 16:49:46,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:49:46,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:49:46,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:49:46,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:49:46,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:49:46,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:49:46,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:49:46,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:49:46,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:49:46,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:49:46,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:49:46,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:49:46,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:49:46,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:49:46,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:49:46,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:49:46,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:49:46,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:49:46,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:49:46,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:49:46,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:49:46,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:49:46,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:49:46,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:49:46,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:49:46,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:49:46,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:49:46,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:49:46,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:49:46,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:49:46,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:49:46,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:49:46,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:49:46,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:49:46,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:49:46,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:49:46,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:49:46,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:49:46,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:49:46,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:49:46,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 16:49:46,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:49:46,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:49:46,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:49:46,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:49:46,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:49:46,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:49:46,693 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:49:46,693 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 16:49:46,693 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 16:49:46,693 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 16:49:46,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 16:49:46,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 16:49:46,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 16:49:46,695 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:49:46,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:49:46,695 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 16:49:46,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:49:46,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 16:49:46,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:49:46,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:49:46,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:49:46,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:49:46,696 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 16:49:46,696 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_8da10503-7d11-4b39-8a19-914e3f0b1a99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f40985114caeb048340f647c2568d018899bc3d78f19b72dfc5765d669ba2a6 [2022-12-13 16:49:46,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:49:46,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:49:46,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:49:46,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:49:46,890 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:49:46,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2022-12-13 16:49:49,464 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:49:49,635 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:49:49,635 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2022-12-13 16:49:49,643 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/data/5effb586a/64cd57fca3eb4082ba592c824b7ebde2/FLAG175b21cf1 [2022-12-13 16:49:50,038 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/data/5effb586a/64cd57fca3eb4082ba592c824b7ebde2 [2022-12-13 16:49:50,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:49:50,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:49:50,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:49:50,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:49:50,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:49:50,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2bf993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50, skipping insertion in model container [2022-12-13 16:49:50,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:49:50,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:49:50,170 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_8da10503-7d11-4b39-8a19-914e3f0b1a99/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c[1605,1618] [2022-12-13 16:49:50,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:49:50,242 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:49:50,252 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_8da10503-7d11-4b39-8a19-914e3f0b1a99/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c[1605,1618] [2022-12-13 16:49:50,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:49:50,296 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:49:50,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50 WrapperNode [2022-12-13 16:49:50,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:49:50,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:49:50,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:49:50,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:49:50,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,329 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 51, statements flattened = 339 [2022-12-13 16:49:50,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:49:50,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:49:50,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:49:50,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:49:50,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,346 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:49:50,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:49:50,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:49:50,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:49:50,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (1/1) ... [2022-12-13 16:49:50,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:49:50,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:49:50,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:49:50,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 16:49:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:49:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:49:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:49:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:49:50,473 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:49:50,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:49:50,673 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:49:50,679 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:49:50,679 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 16:49:50,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:49:50 BoogieIcfgContainer [2022-12-13 16:49:50,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:49:50,682 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 16:49:50,682 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 16:49:50,685 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 16:49:50,686 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:49:50,686 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 04:49:50" (1/3) ... [2022-12-13 16:49:50,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19a10a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:49:50, skipping insertion in model container [2022-12-13 16:49:50,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:49:50,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:49:50" (2/3) ... [2022-12-13 16:49:50,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19a10a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:49:50, skipping insertion in model container [2022-12-13 16:49:50,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:49:50,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:49:50" (3/3) ... [2022-12-13 16:49:50,688 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product14.cil.c [2022-12-13 16:49:50,730 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 16:49:50,730 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 16:49:50,730 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 16:49:50,730 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 16:49:50,730 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 16:49:50,730 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 16:49:50,731 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 16:49:50,731 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 16:49:50,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 16:49:50,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-12-13 16:49:50,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:49:50,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:49:50,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:50,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:50,760 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 16:49:50,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 16:49:50,764 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-12-13 16:49:50,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:49:50,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:49:50,765 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:50,765 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:50,769 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~7#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 84#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; 70#valid_product_returnLabel#1true main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 42#L817true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 60#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 18#L678-2true [2022-12-13 16:49:50,769 INFO L750 eck$LassoCheckResult]: Loop: 18#L678-2true assume !false; 79#L679true assume test_~splverifierCounter~0#1 < 4; 98#L680true test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 78#L688true assume !(0 != test_~tmp~6#1); 16#L688-2true test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 75#L698true assume !(0 != test_~tmp___0~1#1); 92#L698-2true test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 11#L708true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 30#L716true assume 0 != test_~tmp___1~1#1; 80#L716-2true assume { :begin_inline_timeShift } true; 23#L148true assume !(0 != ~pumpRunning~0); 27#L148-2true assume !(0 != ~systemActive~0); 38#L155-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 57#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 87#L109true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 46#L115-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 49#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 18#L678-2true [2022-12-13 16:49:50,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:50,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 16:49:50,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:50,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844949975] [2022-12-13 16:49:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:50,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:50,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:49:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:50,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:49:50,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:50,891 INFO L85 PathProgramCache]: Analyzing trace with hash -293260012, now seen corresponding path program 1 times [2022-12-13 16:49:50,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:50,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944501502] [2022-12-13 16:49:50,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:50,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:50,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:49:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:50,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:49:50,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:50,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1224941616, now seen corresponding path program 1 times [2022-12-13 16:49:50,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:50,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820067239] [2022-12-13 16:49:50,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:50,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:51,078 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 16:49:51,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:49:51,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820067239] [2022-12-13 16:49:51,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820067239] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:49:51,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:49:51,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:49:51,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079754926] [2022-12-13 16:49:51,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:49:51,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:49:51,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:49:51,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:49:51,224 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:49:51,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:49:51,276 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions. [2022-12-13 16:49:51,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 125 transitions. [2022-12-13 16:49:51,280 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-12-13 16:49:51,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2022-12-13 16:49:51,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2022-12-13 16:49:51,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2022-12-13 16:49:51,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2022-12-13 16:49:51,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:49:51,287 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-12-13 16:49:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2022-12-13 16:49:51,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-12-13 16:49:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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 16:49:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2022-12-13 16:49:51,317 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-12-13 16:49:51,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:49:51,321 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-12-13 16:49:51,321 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 16:49:51,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2022-12-13 16:49:51,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-12-13 16:49:51,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:49:51,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:49:51,324 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:51,324 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:51,324 INFO L748 eck$LassoCheckResult]: Stem: 278#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 279#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~7#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 265#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 266#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; 258#valid_product_returnLabel#1 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 259#L817 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 224#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 225#L678-2 [2022-12-13 16:49:51,324 INFO L750 eck$LassoCheckResult]: Loop: 225#L678-2 assume !false; 263#L679 assume test_~splverifierCounter~0#1 < 4; 282#L680 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 280#L688 assume !(0 != test_~tmp~6#1); 260#L688-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 261#L698 assume !(0 != test_~tmp___0~1#1); 272#L698-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 237#L708 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 238#L716 assume 0 != test_~tmp___1~1#1; 284#L716-2 assume { :begin_inline_timeShift } true; 274#L148 assume !(0 != ~pumpRunning~0); 275#L148-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 221#L180 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 223#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 254#L180-1 assume { :end_inline_processEnvironment } true; 255#L155-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 304#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 289#L109 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 290#L115-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 310#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 225#L678-2 [2022-12-13 16:49:51,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:51,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 16:49:51,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:51,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817024918] [2022-12-13 16:49:51,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:51,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:49:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:49:51,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:51,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1015431481, now seen corresponding path program 1 times [2022-12-13 16:49:51,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:51,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198211757] [2022-12-13 16:49:51,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:51,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:49:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:49:51,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:51,378 INFO L85 PathProgramCache]: Analyzing trace with hash -632566531, now seen corresponding path program 1 times [2022-12-13 16:49:51,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:51,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551689771] [2022-12-13 16:49:51,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:51,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:51,432 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 16:49:51,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:49:51,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551689771] [2022-12-13 16:49:51,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551689771] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:49:51,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:49:51,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:49:51,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163849481] [2022-12-13 16:49:51,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:49:51,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:49:51,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:49:51,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:49:51,516 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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 16:49:51,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:49:51,629 INFO L93 Difference]: Finished difference Result 311 states and 400 transitions. [2022-12-13 16:49:51,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 400 transitions. [2022-12-13 16:49:51,633 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2022-12-13 16:49:51,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 311 states and 400 transitions. [2022-12-13 16:49:51,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 311 [2022-12-13 16:49:51,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 311 [2022-12-13 16:49:51,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 311 states and 400 transitions. [2022-12-13 16:49:51,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:49:51,636 INFO L218 hiAutomatonCegarLoop]: Abstraction has 311 states and 400 transitions. [2022-12-13 16:49:51,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states and 400 transitions. [2022-12-13 16:49:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 173. [2022-12-13 16:49:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:49:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2022-12-13 16:49:51,644 INFO L240 hiAutomatonCegarLoop]: Abstraction has 173 states and 219 transitions. [2022-12-13 16:49:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 16:49:51,645 INFO L428 stractBuchiCegarLoop]: Abstraction has 173 states and 219 transitions. [2022-12-13 16:49:51,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 16:49:51,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states and 219 transitions. [2022-12-13 16:49:51,646 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 122 [2022-12-13 16:49:51,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:49:51,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:49:51,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:51,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:51,647 INFO L748 eck$LassoCheckResult]: Stem: 697#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 698#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~7#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 684#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 685#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; 674#valid_product_returnLabel#1 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 675#L817 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 643#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 644#L678-2 [2022-12-13 16:49:51,647 INFO L750 eck$LassoCheckResult]: Loop: 644#L678-2 assume !false; 682#L679 assume test_~splverifierCounter~0#1 < 4; 702#L680 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 700#L688 assume !(0 != test_~tmp~6#1); 678#L688-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 679#L698 assume !(0 != test_~tmp___0~1#1); 691#L698-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 656#L708 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 657#L716 assume 0 != test_~tmp___1~1#1; 704#L716-2 assume { :begin_inline_timeShift } true; 693#L148 assume !(0 != ~pumpRunning~0); 694#L148-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 640#L180 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 642#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 672#L180-1 assume { :end_inline_processEnvironment } true; 673#L155-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 746#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 747#L109 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 739#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1; 740#L115 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 737#L115-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 738#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 644#L678-2 [2022-12-13 16:49:51,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:51,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 16:49:51,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:51,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96849864] [2022-12-13 16:49:51,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:51,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:49:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:49:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:51,659 INFO L85 PathProgramCache]: Analyzing trace with hash 873328204, now seen corresponding path program 1 times [2022-12-13 16:49:51,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:51,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806813192] [2022-12-13 16:49:51,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:51,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:49:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:49:51,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:51,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1990170896, now seen corresponding path program 1 times [2022-12-13 16:49:51,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:51,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638992600] [2022-12-13 16:49:51,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:49:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:51,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:49:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:52,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:49:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:49:52,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 04:49:52 BoogieIcfgContainer [2022-12-13 16:49:52,357 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 16:49:52,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:49:52,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:49:52,357 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:49:52,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:49:50" (3/4) ... [2022-12-13 16:49:52,360 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 16:49:52,389 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:49:52,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:49:52,390 INFO L158 Benchmark]: Toolchain (without parser) took 2348.77ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 105.5MB in the end (delta: 33.7MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-12-13 16:49:52,390 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:49:52,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.41ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 121.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 16:49:52,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.50ms. Allocated memory is still 172.0MB. Free memory was 121.2MB in the beginning and 118.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:49:52,391 INFO L158 Benchmark]: Boogie Preprocessor took 19.31ms. Allocated memory is still 172.0MB. Free memory was 118.4MB in the beginning and 117.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:49:52,391 INFO L158 Benchmark]: RCFGBuilder took 331.38ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 99.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 16:49:52,392 INFO L158 Benchmark]: BuchiAutomizer took 1674.52ms. Allocated memory is still 172.0MB. Free memory was 99.5MB in the beginning and 107.6MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:49:52,392 INFO L158 Benchmark]: Witness Printer took 32.22ms. Allocated memory is still 172.0MB. Free memory was 107.6MB in the beginning and 105.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:49:52,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.41ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 121.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.50ms. Allocated memory is still 172.0MB. Free memory was 121.2MB in the beginning and 118.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.31ms. Allocated memory is still 172.0MB. Free memory was 118.4MB in the beginning and 117.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.38ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 99.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1674.52ms. Allocated memory is still 172.0MB. Free memory was 99.5MB in the beginning and 107.6MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.22ms. Allocated memory is still 172.0MB. Free memory was 107.6MB in the beginning and 105.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 173 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 138 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, 759 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 759 mSDsluCounter, 751 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 476 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 275 mSDtfsCounter, 91 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: 678]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L468] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L735] int cleanupTimeShifts = 4; [L831] int waterLevel = 1; [L832] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L809] int tmp ; [L813] FCALL select_helpers() [L814] FCALL select_features() [L815] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L815] RET, EXPR valid_product() [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L819] FCALL setup() [L820] CALL runTest() [L802] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp___2)) [L714] tmp___1 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___1) [L723] CALL timeShift() [L148] COND FALSE !(\read(pumpRunning)) [L155] COND TRUE \read(systemActive) [L157] CALL processEnvironment() [L177] int tmp ; [L180] COND FALSE !(\read(pumpRunning)) [L195] FCALL processEnvironment__wrappee__methaneQuery() [L157] RET processEnvironment() [L163] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L870] int retValue_acc ; [L873] retValue_acc = methaneLevelCritical [L874] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L902] int retValue_acc ; [L905] retValue_acc = waterLevel [L906] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L163] RET __utac_acc__Specification3_spec__1() [L723] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 678]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L468] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L735] int cleanupTimeShifts = 4; [L831] int waterLevel = 1; [L832] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L809] int tmp ; [L813] FCALL select_helpers() [L814] FCALL select_features() [L815] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L815] RET, EXPR valid_product() [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L819] FCALL setup() [L820] CALL runTest() [L802] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp___2)) [L714] tmp___1 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___1) [L723] CALL timeShift() [L148] COND FALSE !(\read(pumpRunning)) [L155] COND TRUE \read(systemActive) [L157] CALL processEnvironment() [L177] int tmp ; [L180] COND FALSE !(\read(pumpRunning)) [L195] FCALL processEnvironment__wrappee__methaneQuery() [L157] RET processEnvironment() [L163] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L870] int retValue_acc ; [L873] retValue_acc = methaneLevelCritical [L874] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L902] int retValue_acc ; [L905] retValue_acc = waterLevel [L906] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L163] RET __utac_acc__Specification3_spec__1() [L723] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:49:52,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da10503-7d11-4b39-8a19-914e3f0b1a99/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)