./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.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_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/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_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/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_2a4cb502-8a00-45d6-9e80-bff5a9813b24/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 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 --- 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 21:15:57,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:15:57,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:15:57,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:15:57,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:15:57,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:15:57,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:15:57,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:15:57,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:15:57,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:15:57,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:15:57,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:15:57,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:15:57,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:15:57,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:15:57,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:15:57,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:15:57,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:15:57,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:15:57,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:15:57,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:15:57,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:15:57,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:15:57,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:15:57,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:15:57,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:15:57,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:15:57,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:15:57,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:15:57,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:15:57,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:15:57,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:15:57,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:15:57,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:15:57,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:15:57,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:15:57,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:15:57,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:15:57,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:15:57,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:15:57,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:15:57,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 21:15:57,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:15:57,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:15:57,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:15:57,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:15:57,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:15:57,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:15:57,980 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:15:57,980 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 21:15:57,981 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 21:15:57,981 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 21:15:57,981 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 21:15:57,981 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 21:15:57,981 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 21:15:57,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:15:57,981 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:15:57,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:15:57,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:15:57,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:15:57,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:15:57,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 21:15:57,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 21:15:57,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 21:15:57,983 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:15:57,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:15:57,983 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 21:15:57,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:15:57,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 21:15:57,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:15:57,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:15:57,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:15:57,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:15:57,985 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 21:15:57,985 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_2a4cb502-8a00-45d6-9e80-bff5a9813b24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 [2022-12-13 21:15:58,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:15:58,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:15:58,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:15:58,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:15:58,206 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:15:58,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2022-12-13 21:16:00,716 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:16:00,894 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:16:00,895 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2022-12-13 21:16:00,902 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/data/87ccb558a/9cfa7d837ec14cd98a069e0923dac596/FLAG9679c8960 [2022-12-13 21:16:01,300 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/data/87ccb558a/9cfa7d837ec14cd98a069e0923dac596 [2022-12-13 21:16:01,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:16:01,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:16:01,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:16:01,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:16:01,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:16:01,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8888de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01, skipping insertion in model container [2022-12-13 21:16:01,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:16:01,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:16:01,512 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_2a4cb502-8a00-45d6-9e80-bff5a9813b24/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2022-12-13 21:16:01,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:16:01,522 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:16:01,566 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_2a4cb502-8a00-45d6-9e80-bff5a9813b24/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2022-12-13 21:16:01,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:16:01,579 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:16:01,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01 WrapperNode [2022-12-13 21:16:01,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:16:01,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:16:01,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:16:01,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:16:01,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,616 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 80, statements flattened = 576 [2022-12-13 21:16:01,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:16:01,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:16:01,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:16:01,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:16:01,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,637 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:16:01,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:16:01,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:16:01,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:16:01,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (1/1) ... [2022-12-13 21:16:01,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:16:01,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:16:01,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:16:01,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 21:16:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:16:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:16:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:16:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:16:01,763 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:16:01,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:16:02,070 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:16:02,077 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:16:02,077 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:16:02,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:02 BoogieIcfgContainer [2022-12-13 21:16:02,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:16:02,080 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 21:16:02,080 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 21:16:02,083 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 21:16:02,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:16:02,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 09:16:01" (1/3) ... [2022-12-13 21:16:02,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3dfe53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:16:02, skipping insertion in model container [2022-12-13 21:16:02,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:16:02,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:01" (2/3) ... [2022-12-13 21:16:02,085 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3dfe53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:16:02, skipping insertion in model container [2022-12-13 21:16:02,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:16:02,085 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:02" (3/3) ... [2022-12-13 21:16:02,086 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2022-12-13 21:16:02,129 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 21:16:02,129 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 21:16:02,129 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 21:16:02,130 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 21:16:02,130 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 21:16:02,130 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 21:16:02,130 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 21:16:02,130 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 21:16:02,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 168 states, 167 states have (on average 1.3832335329341316) internal successors, (231), 167 states have internal predecessors, (231), 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 21:16:02,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2022-12-13 21:16:02,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:16:02,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:16:02,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:02,157 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:02,158 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 21:16:02,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 168 states, 167 states have (on average 1.3832335329341316) internal successors, (231), 167 states have internal predecessors, (231), 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 21:16:02,163 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2022-12-13 21:16:02,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:16:02,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:16:02,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:02,164 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:02,168 INFO L748 eck$LassoCheckResult]: Stem: 36#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 29#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 136#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 115#valid_product_returnLabel#1true main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 38#L951true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 87#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 105#L271-2true [2022-12-13 21:16:02,168 INFO L750 eck$LassoCheckResult]: Loop: 105#L271-2true assume !false; 52#L272true assume test_~splverifierCounter~0#1 < 4; 75#L273true test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 17#L281true assume !(0 != test_~tmp~4#1); 100#L281-2true test_~tmp___0~2#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 102#L291true assume !(0 != test_~tmp___0~2#1); 101#L291-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 114#L301true assume 0 != test_~tmp___2~0#1; 19#L307-2true assume { :begin_inline_timeShift } true; 161#L68true assume !(0 != ~pumpRunning~0); 95#L68-2true assume !(0 != ~systemActive~0); 35#L75-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 157#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret21#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret21#1;havoc __utac_acc__Specification3_spec__1_#t~ret21#1; 98#L337true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5#1; 56#L343-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 79#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 105#L271-2true [2022-12-13 21:16:02,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:02,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 21:16:02,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:02,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928143472] [2022-12-13 21:16:02,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:02,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:02,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:02,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1182775606, now seen corresponding path program 1 times [2022-12-13 21:16:02,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:02,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934523606] [2022-12-13 21:16:02,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:02,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:02,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1756772614, now seen corresponding path program 1 times [2022-12-13 21:16:02,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:02,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26188916] [2022-12-13 21:16:02,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:02,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:16:02,448 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 21:16:02,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:16:02,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26188916] [2022-12-13 21:16:02,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26188916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:16:02,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:16:02,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:16:02,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046733347] [2022-12-13 21:16:02,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:16:02,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:16:02,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:16:02,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:16:02,568 INFO L87 Difference]: Start difference. First operand has 168 states, 167 states have (on average 1.3832335329341316) internal successors, (231), 167 states have internal predecessors, (231), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 21:16:02,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:16:02,622 INFO L93 Difference]: Finished difference Result 165 states and 217 transitions. [2022-12-13 21:16:02,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 217 transitions. [2022-12-13 21:16:02,626 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2022-12-13 21:16:02,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 155 states and 207 transitions. [2022-12-13 21:16:02,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2022-12-13 21:16:02,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2022-12-13 21:16:02,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 207 transitions. [2022-12-13 21:16:02,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:16:02,632 INFO L218 hiAutomatonCegarLoop]: Abstraction has 155 states and 207 transitions. [2022-12-13 21:16:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 207 transitions. [2022-12-13 21:16:02,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-12-13 21:16:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 155 states have (on average 1.335483870967742) internal successors, (207), 154 states have internal predecessors, (207), 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 21:16:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2022-12-13 21:16:02,660 INFO L240 hiAutomatonCegarLoop]: Abstraction has 155 states and 207 transitions. [2022-12-13 21:16:02,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:16:02,664 INFO L428 stractBuchiCegarLoop]: Abstraction has 155 states and 207 transitions. [2022-12-13 21:16:02,664 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 21:16:02,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 207 transitions. [2022-12-13 21:16:02,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2022-12-13 21:16:02,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:16:02,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:16:02,667 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:02,667 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:02,667 INFO L748 eck$LassoCheckResult]: Stem: 408#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 409#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 399#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 400#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 490#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 412#L951 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 413#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 462#L271-2 [2022-12-13 21:16:02,667 INFO L750 eck$LassoCheckResult]: Loop: 462#L271-2 assume !false; 431#L272 assume test_~splverifierCounter~0#1 < 4; 432#L273 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 376#L281 assume !(0 != test_~tmp~4#1); 378#L281-2 test_~tmp___0~2#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 478#L291 assume !(0 != test_~tmp___0~2#1); 380#L291-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 479#L301 assume 0 != test_~tmp___2~0#1; 381#L307-2 assume { :begin_inline_timeShift } true; 382#L68 assume !(0 != ~pumpRunning~0); 473#L68-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 467#L126 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 468#L100-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 353#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 354#L100-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 440#L126-1 assume { :end_inline_processEnvironment } true; 406#L75-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 407#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret21#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret21#1;havoc __utac_acc__Specification3_spec__1_#t~ret21#1; 475#L337 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5#1; 436#L343-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 437#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 462#L271-2 [2022-12-13 21:16:02,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:02,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 21:16:02,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:02,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446878903] [2022-12-13 21:16:02,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:02,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:02,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:02,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1675901973, now seen corresponding path program 1 times [2022-12-13 21:16:02,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:02,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356439082] [2022-12-13 21:16:02,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:02,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:16:02,715 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 21:16:02,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:16:02,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356439082] [2022-12-13 21:16:02,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356439082] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:16:02,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:16:02,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:16:02,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53895165] [2022-12-13 21:16:02,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:16:02,717 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 21:16:02,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:16:02,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:16:02,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:16:02,718 INFO L87 Difference]: Start difference. First operand 155 states and 207 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21:16:02,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:16:02,777 INFO L93 Difference]: Finished difference Result 216 states and 278 transitions. [2022-12-13 21:16:02,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 278 transitions. [2022-12-13 21:16:02,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 150 [2022-12-13 21:16:02,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 216 states and 278 transitions. [2022-12-13 21:16:02,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 216 [2022-12-13 21:16:02,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 216 [2022-12-13 21:16:02,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 216 states and 278 transitions. [2022-12-13 21:16:02,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:16:02,783 INFO L218 hiAutomatonCegarLoop]: Abstraction has 216 states and 278 transitions. [2022-12-13 21:16:02,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states and 278 transitions. [2022-12-13 21:16:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-13 21:16:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 216 states have (on average 1.287037037037037) internal successors, (278), 215 states have internal predecessors, (278), 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 21:16:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 278 transitions. [2022-12-13 21:16:02,792 INFO L240 hiAutomatonCegarLoop]: Abstraction has 216 states and 278 transitions. [2022-12-13 21:16:02,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:16:02,793 INFO L428 stractBuchiCegarLoop]: Abstraction has 216 states and 278 transitions. [2022-12-13 21:16:02,793 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 21:16:02,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 216 states and 278 transitions. [2022-12-13 21:16:02,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 150 [2022-12-13 21:16:02,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:16:02,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:16:02,796 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:02,796 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:02,796 INFO L748 eck$LassoCheckResult]: Stem: 782#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 783#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 771#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 772#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 869#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 786#L951 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 787#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 839#L271-2 [2022-12-13 21:16:02,796 INFO L750 eck$LassoCheckResult]: Loop: 839#L271-2 assume !false; 806#L272 assume test_~splverifierCounter~0#1 < 4; 807#L273 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 751#L281 assume !(0 != test_~tmp~4#1); 753#L281-2 test_~tmp___0~2#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 856#L291 assume !(0 != test_~tmp___0~2#1); 755#L291-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 857#L301 assume 0 != test_~tmp___2~0#1; 756#L307-2 assume { :begin_inline_timeShift } true; 757#L68 assume !(0 != ~pumpRunning~0); 851#L68-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 844#L126 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 845#L100-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 802#L445-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 797#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 798#L228-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 877#L228-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 882#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 835#L104-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 790#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 791#L100-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 816#L126-1 assume { :end_inline_processEnvironment } true; 780#L75-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 781#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret21#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret21#1;havoc __utac_acc__Specification3_spec__1_#t~ret21#1; 854#L337 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5#1; 812#L343-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 813#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 839#L271-2 [2022-12-13 21:16:02,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:02,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 21:16:02,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:02,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689639351] [2022-12-13 21:16:02,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:02,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:02,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:02,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2016867469, now seen corresponding path program 1 times [2022-12-13 21:16:02,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:02,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102571598] [2022-12-13 21:16:02,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:02,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:02,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:02,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:02,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1902812087, now seen corresponding path program 1 times [2022-12-13 21:16:02,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:02,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379296542] [2022-12-13 21:16:02,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:02,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:16:02,907 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 21:16:02,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:16:02,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379296542] [2022-12-13 21:16:02,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379296542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:16:02,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:16:02,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:16:02,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722311317] [2022-12-13 21:16:02,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:16:03,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:16:03,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:16:03,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:16:03,078 INFO L87 Difference]: Start difference. First operand 216 states and 278 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 21:16:03,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:16:03,151 INFO L93 Difference]: Finished difference Result 777 states and 998 transitions. [2022-12-13 21:16:03,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 777 states and 998 transitions. [2022-12-13 21:16:03,155 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 577 [2022-12-13 21:16:03,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 777 states to 777 states and 998 transitions. [2022-12-13 21:16:03,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 777 [2022-12-13 21:16:03,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 777 [2022-12-13 21:16:03,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 777 states and 998 transitions. [2022-12-13 21:16:03,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:16:03,161 INFO L218 hiAutomatonCegarLoop]: Abstraction has 777 states and 998 transitions. [2022-12-13 21:16:03,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states and 998 transitions. [2022-12-13 21:16:03,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 425. [2022-12-13 21:16:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 425 states have (on average 1.2729411764705882) internal successors, (541), 424 states have internal predecessors, (541), 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 21:16:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 541 transitions. [2022-12-13 21:16:03,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 425 states and 541 transitions. [2022-12-13 21:16:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:16:03,176 INFO L428 stractBuchiCegarLoop]: Abstraction has 425 states and 541 transitions. [2022-12-13 21:16:03,177 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 21:16:03,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 425 states and 541 transitions. [2022-12-13 21:16:03,178 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 300 [2022-12-13 21:16:03,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:16:03,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:16:03,179 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:03,179 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:03,179 INFO L748 eck$LassoCheckResult]: Stem: 1794#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 1795#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1782#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1783#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1895#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 1798#L951 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1799#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1855#L271-2 [2022-12-13 21:16:03,179 INFO L750 eck$LassoCheckResult]: Loop: 1855#L271-2 assume !false; 1818#L272 assume test_~splverifierCounter~0#1 < 4; 1819#L273 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 2144#L281 assume !(0 != test_~tmp~4#1); 2140#L281-2 test_~tmp___0~2#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 2138#L291 assume !(0 != test_~tmp___0~2#1); 2136#L291-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 2135#L301 assume 0 != test_~tmp___2~0#1; 2133#L307-2 assume { :begin_inline_timeShift } true; 2132#L68 assume !(0 != ~pumpRunning~0); 2129#L68-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1862#L126 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1863#L100-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 1904#L445-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 2122#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 1905#L228-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1906#L228-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1915#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 1850#L104-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1802#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1803#L100-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1869#L126-1 assume { :end_inline_processEnvironment } true; 1958#L75-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_#t~ret23#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 1959#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret21#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret21#1;havoc __utac_acc__Specification3_spec__1_#t~ret21#1; 1955#L337 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 1953#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3#1 := __utac_acc__Specification3_spec__1_#t~ret22#1;havoc __utac_acc__Specification3_spec__1_#t~ret22#1; 1954#L343 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3#1); 2110#L343-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1854#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1855#L271-2 [2022-12-13 21:16:03,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2022-12-13 21:16:03,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:03,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557975651] [2022-12-13 21:16:03,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:03,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:03,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:03,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1180640704, now seen corresponding path program 1 times [2022-12-13 21:16:03,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:03,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037878695] [2022-12-13 21:16:03,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:03,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:03,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1054905980, now seen corresponding path program 1 times [2022-12-13 21:16:03,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:03,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790209345] [2022-12-13 21:16:03,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:03,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 09:16:03 BoogieIcfgContainer [2022-12-13 21:16:03,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 21:16:03,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:16:03,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:16:03,916 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:16:03,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:02" (3/4) ... [2022-12-13 21:16:03,918 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 21:16:03,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:16:03,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:16:03,951 INFO L158 Benchmark]: Toolchain (without parser) took 2642.70ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 130.4MB in the beginning and 62.1MB in the end (delta: 68.2MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,951 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:16:03,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.67ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 111.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.87ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 108.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,952 INFO L158 Benchmark]: Boogie Preprocessor took 23.96ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 105.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,952 INFO L158 Benchmark]: RCFGBuilder took 437.47ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 82.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,952 INFO L158 Benchmark]: BuchiAutomizer took 1835.77ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 82.5MB in the beginning and 65.3MB in the end (delta: 17.2MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,952 INFO L158 Benchmark]: Witness Printer took 34.34ms. Allocated memory is still 201.3MB. Free memory was 65.3MB in the beginning and 62.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.67ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 111.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.87ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 108.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.96ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 105.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.47ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 82.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1835.77ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 82.5MB in the beginning and 65.3MB in the end (delta: 17.2MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Witness Printer took 34.34ms. Allocated memory is still 201.3MB. Free memory was 65.3MB in the beginning and 62.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 425 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 352 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, 1782 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1782 mSDsluCounter, 1897 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1156 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 741 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 271]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L362] int waterLevel = 1; [L363] int methaneLevelCritical = 0; [L672] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L869] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L942] int retValue_acc ; [L943] int tmp ; [L947] FCALL select_helpers() [L948] FCALL select_features() [L949] CALL, EXPR valid_product() [L494] int retValue_acc ; [L497] retValue_acc = 1 [L498] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L949] RET, EXPR valid_product() [L949] tmp = valid_product() [L951] COND TRUE \read(tmp) [L953] FCALL setup() [L954] CALL runTest() [L936] CALL test() [L262] int splverifierCounter ; [L263] int tmp ; [L264] int tmp___0 ; [L265] int tmp___1 ; [L266] int tmp___2 ; [L269] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L271] COND TRUE 1 [L273] COND TRUE splverifierCounter < 4 [L279] tmp = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp)) [L289] tmp___0 = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp___0)) [L299] tmp___2 = __VERIFIER_nondet_int() [L301] COND TRUE \read(tmp___2) [L314] CALL timeShift() [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L77] CALL processEnvironment() [L123] int tmp ; [L126] COND FALSE !(\read(pumpRunning)) [L141] CALL processEnvironment__wrappee__highWaterSensor() [L97] int tmp ; [L100] COND TRUE ! pumpRunning [L102] CALL, EXPR isHighWaterLevel() [L220] int retValue_acc ; [L221] int tmp ; [L222] int tmp___0 ; [L226] CALL, EXPR isHighWaterSensorDry() [L442] int retValue_acc ; [L445] COND TRUE waterLevel < 2 [L446] retValue_acc = 1 [L447] return (retValue_acc); [L226] RET, EXPR isHighWaterSensorDry() [L226] tmp = isHighWaterSensorDry() [L228] COND TRUE \read(tmp) [L229] tmp___0 = 0 [L233] retValue_acc = tmp___0 [L234] return (retValue_acc); [L102] RET, EXPR isHighWaterLevel() [L102] tmp = isHighWaterLevel() [L104] COND FALSE !(\read(tmp)) [L110] FCALL processEnvironment__wrappee__base() [L141] RET processEnvironment__wrappee__highWaterSensor() [L77] RET processEnvironment() [L83] CALL __utac_acc__Specification3_spec__1() [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L335] CALL, EXPR isMethaneLevelCritical() [L401] int retValue_acc ; [L404] retValue_acc = methaneLevelCritical [L405] return (retValue_acc); [L335] RET, EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L341] CALL, EXPR getWaterLevel() [L433] int retValue_acc ; [L436] retValue_acc = waterLevel [L437] return (retValue_acc); [L341] RET, EXPR getWaterLevel() [L341] tmp___0 = getWaterLevel() [L343] COND FALSE !(tmp___0 == 2) [L83] RET __utac_acc__Specification3_spec__1() [L314] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 271]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L362] int waterLevel = 1; [L363] int methaneLevelCritical = 0; [L672] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L869] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L942] int retValue_acc ; [L943] int tmp ; [L947] FCALL select_helpers() [L948] FCALL select_features() [L949] CALL, EXPR valid_product() [L494] int retValue_acc ; [L497] retValue_acc = 1 [L498] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L949] RET, EXPR valid_product() [L949] tmp = valid_product() [L951] COND TRUE \read(tmp) [L953] FCALL setup() [L954] CALL runTest() [L936] CALL test() [L262] int splverifierCounter ; [L263] int tmp ; [L264] int tmp___0 ; [L265] int tmp___1 ; [L266] int tmp___2 ; [L269] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L271] COND TRUE 1 [L273] COND TRUE splverifierCounter < 4 [L279] tmp = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp)) [L289] tmp___0 = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp___0)) [L299] tmp___2 = __VERIFIER_nondet_int() [L301] COND TRUE \read(tmp___2) [L314] CALL timeShift() [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L77] CALL processEnvironment() [L123] int tmp ; [L126] COND FALSE !(\read(pumpRunning)) [L141] CALL processEnvironment__wrappee__highWaterSensor() [L97] int tmp ; [L100] COND TRUE ! pumpRunning [L102] CALL, EXPR isHighWaterLevel() [L220] int retValue_acc ; [L221] int tmp ; [L222] int tmp___0 ; [L226] CALL, EXPR isHighWaterSensorDry() [L442] int retValue_acc ; [L445] COND TRUE waterLevel < 2 [L446] retValue_acc = 1 [L447] return (retValue_acc); [L226] RET, EXPR isHighWaterSensorDry() [L226] tmp = isHighWaterSensorDry() [L228] COND TRUE \read(tmp) [L229] tmp___0 = 0 [L233] retValue_acc = tmp___0 [L234] return (retValue_acc); [L102] RET, EXPR isHighWaterLevel() [L102] tmp = isHighWaterLevel() [L104] COND FALSE !(\read(tmp)) [L110] FCALL processEnvironment__wrappee__base() [L141] RET processEnvironment__wrappee__highWaterSensor() [L77] RET processEnvironment() [L83] CALL __utac_acc__Specification3_spec__1() [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L335] CALL, EXPR isMethaneLevelCritical() [L401] int retValue_acc ; [L404] retValue_acc = methaneLevelCritical [L405] return (retValue_acc); [L335] RET, EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L341] CALL, EXPR getWaterLevel() [L433] int retValue_acc ; [L436] retValue_acc = waterLevel [L437] return (retValue_acc); [L341] RET, EXPR getWaterLevel() [L341] tmp___0 = getWaterLevel() [L343] COND FALSE !(tmp___0 == 2) [L83] RET __utac_acc__Specification3_spec__1() [L314] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:16:03,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4cb502-8a00-45d6-9e80-bff5a9813b24/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)