./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.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_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/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_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/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_6f3259de-e2ad-4396-8ca2-015ced1515bb/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 b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab --- 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 21:14:02,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:14:02,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:14:02,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:14:02,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:14:02,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:14:02,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:14:02,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:14:02,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:14:02,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:14:02,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:14:02,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:14:02,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:14:02,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:14:02,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:14:02,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:14:02,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:14:02,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:14:02,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:14:02,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:14:02,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:14:02,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:14:02,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:14:02,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:14:02,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:14:02,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:14:02,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:14:02,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:14:02,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:14:02,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:14:02,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:14:02,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:14:02,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:14:02,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:14:02,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:14:02,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:14:02,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:14:02,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:14:02,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:14:02,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:14:02,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:14:02,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 21:14:03,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:14:03,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:14:03,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:14:03,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:14:03,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:14:03,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:14:03,007 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:14:03,008 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 21:14:03,008 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 21:14:03,008 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 21:14:03,008 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 21:14:03,008 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 21:14:03,008 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 21:14:03,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 21:14:03,009 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:14:03,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:14:03,010 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 21:14:03,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:14:03,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 21:14:03,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:14:03,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:14:03,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:14:03,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:14:03,011 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 21:14:03,011 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_6f3259de-e2ad-4396-8ca2-015ced1515bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab [2022-12-13 21:14:03,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:14:03,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:14:03,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:14:03,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:14:03,189 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:14:03,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2022-12-13 21:14:05,713 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:14:05,854 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:14:05,855 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2022-12-13 21:14:05,865 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/data/19ca57261/ced58e4d2ad84b79bb036653ed1bae75/FLAGe30752b99 [2022-12-13 21:14:05,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/data/19ca57261/ced58e4d2ad84b79bb036653ed1bae75 [2022-12-13 21:14:05,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:14:05,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:14:05,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:14:05,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:14:05,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:14:05,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:14:05" (1/1) ... [2022-12-13 21:14:05,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f79b371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:05, skipping insertion in model container [2022-12-13 21:14:05,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:14:05" (1/1) ... [2022-12-13 21:14:05,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:14:05,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:14:06,072 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_6f3259de-e2ad-4396-8ca2-015ced1515bb/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2022-12-13 21:14:06,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:14:06,090 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:14:06,128 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_6f3259de-e2ad-4396-8ca2-015ced1515bb/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2022-12-13 21:14:06,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:14:06,145 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:14:06,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06 WrapperNode [2022-12-13 21:14:06,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:14:06,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:14:06,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:14:06,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:14:06,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,178 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 38, statements flattened = 265 [2022-12-13 21:14:06,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:14:06,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:14:06,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:14:06,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:14:06,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,194 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:14:06,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:14:06,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:14:06,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:14:06,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (1/1) ... [2022-12-13 21:14:06,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:14:06,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:14:06,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:14:06,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 21:14:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:14:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:14:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:14:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:14:06,326 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:14:06,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:14:06,506 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:14:06,511 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:14:06,512 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:14:06,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:14:06 BoogieIcfgContainer [2022-12-13 21:14:06,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:14:06,514 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 21:14:06,515 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 21:14:06,518 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 21:14:06,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:14:06,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 09:14:05" (1/3) ... [2022-12-13 21:14:06,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e84972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:14:06, skipping insertion in model container [2022-12-13 21:14:06,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:14:06,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:14:06" (2/3) ... [2022-12-13 21:14:06,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e84972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:14:06, skipping insertion in model container [2022-12-13 21:14:06,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:14:06,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:14:06" (3/3) ... [2022-12-13 21:14:06,521 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2022-12-13 21:14:06,570 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 21:14:06,570 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 21:14:06,570 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 21:14:06,571 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 21:14:06,571 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 21:14:06,571 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 21:14:06,571 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 21:14:06,571 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 21:14:06,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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 21:14:06,590 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2022-12-13 21:14:06,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:14:06,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:14:06,595 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:14:06,595 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 21:14:06,595 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 21:14:06,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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 21:14:06,599 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2022-12-13 21:14:06,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:14:06,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:14:06,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:14:06,600 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 21:14:06,604 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 27#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 45#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 22#valid_product_returnLabel#1true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 62#L625true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 50#L827-2true [2022-12-13 21:14:06,605 INFO L750 eck$LassoCheckResult]: Loop: 50#L827-2true assume !false; 63#L828true assume test_~splverifierCounter~0#1 < 4; 12#L829true test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 54#L837true assume !(0 != test_~tmp~5#1); 68#L837-2true test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 48#L847true assume !(0 != test_~tmp___0~1#1); 76#L847-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 39#L857true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 60#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 32#L865-2true assume { :begin_inline_timeShift } true; 20#L694true assume !(0 != ~pumpRunning~0); 82#L694-2true assume !(0 != ~systemActive~0); 21#L701-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#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~4#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 64#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 29#L658true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 44#L664-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 50#L827-2true [2022-12-13 21:14:06,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:14:06,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 21:14:06,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:14:06,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749390616] [2022-12-13 21:14:06,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:14:06,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:14:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:06,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:14:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:06,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:14:06,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:14:06,715 INFO L85 PathProgramCache]: Analyzing trace with hash -516603181, now seen corresponding path program 1 times [2022-12-13 21:14:06,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:14:06,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707974748] [2022-12-13 21:14:06,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:14:06,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:14:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:14:06,775 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 21:14:06,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:14:06,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707974748] [2022-12-13 21:14:06,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707974748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:14:06,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:14:06,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:14:06,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540441969] [2022-12-13 21:14:06,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:14:06,781 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 21:14:06,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:14:06,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:14:06,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:14:06,809 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 21:14:06,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:14:06,852 INFO L93 Difference]: Finished difference Result 157 states and 201 transitions. [2022-12-13 21:14:06,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 201 transitions. [2022-12-13 21:14:06,856 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2022-12-13 21:14:06,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 137 states and 180 transitions. [2022-12-13 21:14:06,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2022-12-13 21:14:06,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2022-12-13 21:14:06,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 180 transitions. [2022-12-13 21:14:06,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:14:06,862 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 180 transitions. [2022-12-13 21:14:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 180 transitions. [2022-12-13 21:14:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2022-12-13 21:14:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 1.3134328358208955) internal successors, (176), 133 states have internal predecessors, (176), 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 21:14:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 176 transitions. [2022-12-13 21:14:06,888 INFO L240 hiAutomatonCegarLoop]: Abstraction has 134 states and 176 transitions. [2022-12-13 21:14:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:14:06,891 INFO L428 stractBuchiCegarLoop]: Abstraction has 134 states and 176 transitions. [2022-12-13 21:14:06,891 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 21:14:06,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 176 transitions. [2022-12-13 21:14:06,893 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 97 [2022-12-13 21:14:06,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:14:06,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:14:06,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:14:06,894 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:14:06,894 INFO L748 eck$LassoCheckResult]: Stem: 302#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 303#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 290#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 291#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 284#valid_product_returnLabel#1 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 285#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 254#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 255#L827-2 [2022-12-13 21:14:06,902 INFO L750 eck$LassoCheckResult]: Loop: 255#L827-2 assume !false; 317#L828 assume test_~splverifierCounter~0#1 < 4; 267#L829 test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 268#L837 assume !(0 != test_~tmp~5#1); 318#L837-2 test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 315#L847 assume !(0 != test_~tmp___0~1#1); 316#L847-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 306#L857 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 307#L865 assume !(0 != test_~tmp___1~1#1); 298#L865-2 assume { :begin_inline_timeShift } true; 279#L694 assume !(0 != ~pumpRunning~0); 280#L694-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 286#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 282#L701-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#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~4#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 283#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 292#L658 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 293#L664-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 310#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 255#L827-2 [2022-12-13 21:14:06,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:14:06,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 21:14:06,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:14:06,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370806765] [2022-12-13 21:14:06,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:14:06,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:14:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:06,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:14:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:06,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:14:06,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:14:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash -341466795, now seen corresponding path program 1 times [2022-12-13 21:14:06,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:14:06,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374340522] [2022-12-13 21:14:06,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:14:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:14:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:06,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:14:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:06,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:14:06,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:14:06,937 INFO L85 PathProgramCache]: Analyzing trace with hash 841174553, now seen corresponding path program 1 times [2022-12-13 21:14:06,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:14:06,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134765701] [2022-12-13 21:14:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:14:06,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:14:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:14:07,027 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 21:14:07,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:14:07,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134765701] [2022-12-13 21:14:07,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134765701] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:14:07,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:14:07,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:14:07,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640221407] [2022-12-13 21:14:07,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:14:07,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:14:07,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:14:07,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:14:07,122 INFO L87 Difference]: Start difference. First operand 134 states and 176 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 21:14:07,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:14:07,213 INFO L93 Difference]: Finished difference Result 447 states and 589 transitions. [2022-12-13 21:14:07,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 447 states and 589 transitions. [2022-12-13 21:14:07,219 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 346 [2022-12-13 21:14:07,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 447 states to 447 states and 589 transitions. [2022-12-13 21:14:07,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 447 [2022-12-13 21:14:07,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2022-12-13 21:14:07,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 447 states and 589 transitions. [2022-12-13 21:14:07,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:14:07,225 INFO L218 hiAutomatonCegarLoop]: Abstraction has 447 states and 589 transitions. [2022-12-13 21:14:07,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states and 589 transitions. [2022-12-13 21:14:07,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 261. [2022-12-13 21:14:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 261 states have (on average 1.2911877394636015) internal successors, (337), 260 states have internal predecessors, (337), 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 21:14:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 337 transitions. [2022-12-13 21:14:07,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 261 states and 337 transitions. [2022-12-13 21:14:07,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:14:07,243 INFO L428 stractBuchiCegarLoop]: Abstraction has 261 states and 337 transitions. [2022-12-13 21:14:07,243 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 21:14:07,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 261 states and 337 transitions. [2022-12-13 21:14:07,245 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 194 [2022-12-13 21:14:07,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:14:07,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:14:07,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:14:07,246 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 21:14:07,246 INFO L748 eck$LassoCheckResult]: Stem: 904#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 905#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 891#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 892#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 885#valid_product_returnLabel#1 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 886#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 853#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 854#L827-2 [2022-12-13 21:14:07,246 INFO L750 eck$LassoCheckResult]: Loop: 854#L827-2 assume !false; 919#L828 assume test_~splverifierCounter~0#1 < 4; 866#L829 test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 867#L837 assume !(0 != test_~tmp~5#1); 921#L837-2 test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 917#L847 assume !(0 != test_~tmp___0~1#1); 918#L847-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 907#L857 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 908#L865 assume !(0 != test_~tmp___1~1#1); 899#L865-2 assume { :begin_inline_timeShift } true; 880#L694 assume !(0 != ~pumpRunning~0); 881#L694-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 887#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 883#L701-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#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~4#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 884#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 893#L658 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 894#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret35#1;havoc __utac_acc__Specification3_spec__1_#t~ret35#1; 940#L664 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1031#L664-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1030#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 854#L827-2 [2022-12-13 21:14:07,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:14:07,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 21:14:07,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:14:07,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417161714] [2022-12-13 21:14:07,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:14:07,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:14:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:07,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:14:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:07,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:14:07,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:14:07,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1730824696, now seen corresponding path program 1 times [2022-12-13 21:14:07,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:14:07,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524845869] [2022-12-13 21:14:07,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:14:07,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:14:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:07,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:14:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:07,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:14:07,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:14:07,280 INFO L85 PathProgramCache]: Analyzing trace with hash 916144588, now seen corresponding path program 1 times [2022-12-13 21:14:07,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:14:07,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855205486] [2022-12-13 21:14:07,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:14:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:14:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:07,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:14:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:07,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:14:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:08,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:14:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:14:08,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 09:14:08 BoogieIcfgContainer [2022-12-13 21:14:08,086 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 21:14:08,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:14:08,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:14:08,087 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:14:08,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:14:06" (3/4) ... [2022-12-13 21:14:08,089 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 21:14:08,124 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:14:08,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:14:08,124 INFO L158 Benchmark]: Toolchain (without parser) took 2242.96ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 111.4MB in the beginning and 93.9MB in the end (delta: 17.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2022-12-13 21:14:08,124 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:14:08,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.73ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 93.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:14:08,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.60ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 91.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:14:08,126 INFO L158 Benchmark]: Boogie Preprocessor took 17.98ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:14:08,126 INFO L158 Benchmark]: RCFGBuilder took 316.66ms. Allocated memory is still 148.9MB. Free memory was 89.0MB in the beginning and 73.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:14:08,126 INFO L158 Benchmark]: BuchiAutomizer took 1571.47ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 73.7MB in the beginning and 96.0MB in the end (delta: -22.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-12-13 21:14:08,127 INFO L158 Benchmark]: Witness Printer took 37.43ms. Allocated memory is still 180.4MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:14:08,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.73ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 93.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.60ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 91.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.98ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.66ms. Allocated memory is still 148.9MB. Free memory was 89.0MB in the beginning and 73.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1571.47ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 73.7MB in the beginning and 96.0MB in the end (delta: -22.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 37.43ms. Allocated memory is still 180.4MB. Free memory was 96.0MB in the beginning and 93.9MB 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 5 locations. The remainder module has 261 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 189 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 426 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 734 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 239 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 827]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___2)) [L863] tmp___1 = __VERIFIER_nondet_int() [L865] COND FALSE !(\read(tmp___1)) [L874] CALL timeShift() [L694] COND FALSE !(\read(pumpRunning)) [L701] COND TRUE \read(systemActive) [L703] FCALL processEnvironment() [L709] CALL __utac_acc__Specification3_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; [L656] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L656] RET, EXPR isMethaneLevelCritical() [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L662] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L662] RET, EXPR getWaterLevel() [L662] tmp___0 = getWaterLevel() [L664] COND FALSE !(tmp___0 == 2) [L709] RET __utac_acc__Specification3_spec__1() [L874] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 827]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___2)) [L863] tmp___1 = __VERIFIER_nondet_int() [L865] COND FALSE !(\read(tmp___1)) [L874] CALL timeShift() [L694] COND FALSE !(\read(pumpRunning)) [L701] COND TRUE \read(systemActive) [L703] FCALL processEnvironment() [L709] CALL __utac_acc__Specification3_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; [L656] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L656] RET, EXPR isMethaneLevelCritical() [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L662] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L662] RET, EXPR getWaterLevel() [L662] tmp___0 = getWaterLevel() [L664] COND FALSE !(tmp___0 == 2) [L709] RET __utac_acc__Specification3_spec__1() [L874] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:14:08,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3259de-e2ad-4396-8ca2-015ced1515bb/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)