./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 5b8d1d7ceb68ac6e6630901277fde5f28b3f6a5d2baa824d9bcd68a03d4bbbff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:21,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:21,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:41:21,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:21,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:21,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:21,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:21,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:21,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:21,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:21,959 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:21,959 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:41:21,960 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:41:21,962 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:41:21,962 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:41:21,962 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:41:21,963 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:41:21,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:21,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:41:21,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:41:21,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:41:21,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:41:21,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:21,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:41:21,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:41:21,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:41:21,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:41:21,968 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:41:21,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:21,969 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:41:21,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:21,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:21,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:21,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:21,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:41:21,973 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:41:21,973 INFO L153 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_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b8d1d7ceb68ac6e6630901277fde5f28b3f6a5d2baa824d9bcd68a03d4bbbff [2023-11-19 07:41:22,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:22,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:22,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:22,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:22,307 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:22,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2023-11-19 07:41:25,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:25,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:25,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2023-11-19 07:41:25,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/data/476050a97/e73cbece781444b58325ecc2b63af89c/FLAG126b456be [2023-11-19 07:41:25,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/data/476050a97/e73cbece781444b58325ecc2b63af89c [2023-11-19 07:41:25,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:25,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:25,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:25,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:25,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:25,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:25" (1/1) ... [2023-11-19 07:41:25,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15adc621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:25, skipping insertion in model container [2023-11-19 07:41:25,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:25" (1/1) ... [2023-11-19 07:41:25,881 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:26,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:26,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:41:26,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 07:41:26,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2023-11-19 07:41:26,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [188] [2023-11-19 07:41:26,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [272] [2023-11-19 07:41:26,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [408] [2023-11-19 07:41:26,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [477] [2023-11-19 07:41:26,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [843] [2023-11-19 07:41:26,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [852] [2023-11-19 07:41:26,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:26,341 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:41:26,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26 WrapperNode [2023-11-19 07:41:26,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:26,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:26,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:41:26,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:41:26,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,408 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 38, statements flattened = 238 [2023-11-19 07:41:26,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:26,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:41:26,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:41:26,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:41:26,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:41:26,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:41:26,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:41:26,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:41:26,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (1/1) ... [2023-11-19 07:41:26,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:26,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:26,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:26,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:41:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:41:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:41:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:41:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:41:26,613 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:41:26,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:41:26,966 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:41:26,984 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:41:26,985 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:41:26,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:26 BoogieIcfgContainer [2023-11-19 07:41:26,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:41:26,991 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:41:26,993 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:41:26,997 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:41:26,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:41:26,998 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:41:25" (1/3) ... [2023-11-19 07:41:26,999 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@710dcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:41:26, skipping insertion in model container [2023-11-19 07:41:26,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:41:26,999 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:26" (2/3) ... [2023-11-19 07:41:27,000 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@710dcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:41:26, skipping insertion in model container [2023-11-19 07:41:27,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:41:27,000 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:26" (3/3) ... [2023-11-19 07:41:27,002 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2023-11-19 07:41:27,054 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:41:27,055 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:41:27,055 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:41:27,055 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:41:27,055 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:41:27,056 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:41:27,056 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:41:27,056 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:41:27,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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) [2023-11-19 07:41:27,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2023-11-19 07:41:27,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:27,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:27,090 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:27,090 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:27,090 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:41:27,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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) [2023-11-19 07:41:27,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2023-11-19 07:41:27,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:27,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:27,099 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:27,099 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:27,106 INFO L748 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 22#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 70#L140true assume 0 != main_~tmp~0#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~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 13#L419-2true [2023-11-19 07:41:27,106 INFO L750 eck$LassoCheckResult]: Loop: 13#L419-2true assume !false; 45#L420true assume test_~splverifierCounter~0#1 < 4; 30#L421true havoc test_#t~nondet20#1;test_~tmp~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 14#L429true assume !(0 != test_~tmp~1#1); 60#L429-2true havoc test_#t~nondet21#1;test_~tmp___0~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 71#L439true assume !(0 != test_~tmp___0~0#1); 73#L439-2true havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 3#L449true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 69#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 57#L457-2true assume { :begin_inline_timeShift } true; 18#L286true assume !(0 != ~pumpRunning~0); 11#L286-2true assume !(0 != ~systemActive~0); 43#L293-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~5#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~5#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 78#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5#1 := __utac_acc__Specification4_spec__1_#t~ret47#1;havoc __utac_acc__Specification4_spec__1_#t~ret47#1; 36#L861true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5#1); 20#L861-1true havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~5#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 79#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 13#L419-2true [2023-11-19 07:41:27,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:27,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 07:41:27,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:27,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906992850] [2023-11-19 07:41:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:27,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:27,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:27,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:27,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:27,269 INFO L85 PathProgramCache]: Analyzing trace with hash -516587965, now seen corresponding path program 1 times [2023-11-19 07:41:27,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:27,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495092890] [2023-11-19 07:41:27,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:27,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:41:27,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:27,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495092890] [2023-11-19 07:41:27,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495092890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:27,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:27,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:41:27,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404610523] [2023-11-19 07:41:27,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:27,372 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:41:27,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:27,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:27,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:27,412 INFO L87 Difference]: Start difference. First operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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) [2023-11-19 07:41:27,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:27,465 INFO L93 Difference]: Finished difference Result 145 states and 183 transitions. [2023-11-19 07:41:27,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 183 transitions. [2023-11-19 07:41:27,473 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2023-11-19 07:41:27,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 125 states and 162 transitions. [2023-11-19 07:41:27,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2023-11-19 07:41:27,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2023-11-19 07:41:27,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 162 transitions. [2023-11-19 07:41:27,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:27,487 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 162 transitions. [2023-11-19 07:41:27,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 162 transitions. [2023-11-19 07:41:27,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2023-11-19 07:41:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 121 states have internal predecessors, (158), 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) [2023-11-19 07:41:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions. [2023-11-19 07:41:27,525 INFO L240 hiAutomatonCegarLoop]: Abstraction has 122 states and 158 transitions. [2023-11-19 07:41:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:27,530 INFO L428 stractBuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2023-11-19 07:41:27,531 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:41:27,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 158 transitions. [2023-11-19 07:41:27,534 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 89 [2023-11-19 07:41:27,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:27,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:27,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:27,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:27,536 INFO L748 eck$LassoCheckResult]: Stem: 283#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 284#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 275#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 276#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 270#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 271#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 240#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 241#L419-2 [2023-11-19 07:41:27,536 INFO L750 eck$LassoCheckResult]: Loop: 241#L419-2 assume !false; 254#L420 assume test_~splverifierCounter~0#1 < 4; 331#L421 havoc test_#t~nondet20#1;test_~tmp~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 255#L429 assume !(0 != test_~tmp~1#1); 257#L429-2 havoc test_#t~nondet21#1;test_~tmp___0~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 317#L439 assume !(0 != test_~tmp___0~0#1); 314#L439-2 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 237#L449 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet23#1;test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 238#L457 assume !(0 != test_~tmp___1~0#1); 262#L457-2 assume { :begin_inline_timeShift } true; 263#L286 assume !(0 != ~pumpRunning~0); 250#L286-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 251#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 272#L293-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~5#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~5#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 295#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5#1 := __utac_acc__Specification4_spec__1_#t~ret47#1;havoc __utac_acc__Specification4_spec__1_#t~ret47#1; 290#L861 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5#1); 266#L861-1 havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~5#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 267#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 241#L419-2 [2023-11-19 07:41:27,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:27,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 07:41:27,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:27,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558700753] [2023-11-19 07:41:27,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:27,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:27,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:27,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:27,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:27,593 INFO L85 PathProgramCache]: Analyzing trace with hash -341451579, now seen corresponding path program 1 times [2023-11-19 07:41:27,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:27,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506483207] [2023-11-19 07:41:27,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:27,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:27,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:27,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:27,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:27,634 INFO L85 PathProgramCache]: Analyzing trace with hash 841189769, now seen corresponding path program 1 times [2023-11-19 07:41:27,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:27,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567033644] [2023-11-19 07:41:27,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:27,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:27,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:27,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:28,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:29,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:41:29 BoogieIcfgContainer [2023-11-19 07:41:29,018 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:41:29,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:41:29,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:41:29,019 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:41:29,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:26" (3/4) ... [2023-11-19 07:41:29,021 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:41:29,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:41:29,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:41:29,100 INFO L158 Benchmark]: Toolchain (without parser) took 3302.55ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 87.6MB in the beginning and 111.6MB in the end (delta: -24.0MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-19 07:41:29,100 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 132.1MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:29,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.37ms. Allocated memory is still 132.1MB. Free memory was 87.1MB in the beginning and 68.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:41:29,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.16ms. Allocated memory is still 132.1MB. Free memory was 68.9MB in the beginning and 66.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:29,103 INFO L158 Benchmark]: Boogie Preprocessor took 35.96ms. Allocated memory is still 132.1MB. Free memory was 66.7MB in the beginning and 64.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:29,104 INFO L158 Benchmark]: RCFGBuilder took 543.83ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 64.7MB in the beginning and 129.3MB in the end (delta: -64.6MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-19 07:41:29,105 INFO L158 Benchmark]: BuchiAutomizer took 2026.79ms. Allocated memory is still 159.4MB. Free memory was 129.3MB in the beginning and 114.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-19 07:41:29,105 INFO L158 Benchmark]: Witness Printer took 78.58ms. Allocated memory is still 159.4MB. Free memory was 114.8MB in the beginning and 111.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:41:29,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 132.1MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.37ms. Allocated memory is still 132.1MB. Free memory was 87.1MB in the beginning and 68.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.16ms. Allocated memory is still 132.1MB. Free memory was 68.9MB in the beginning and 66.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.96ms. Allocated memory is still 132.1MB. Free memory was 66.7MB in the beginning and 64.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.83ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 64.7MB in the beginning and 129.3MB in the end (delta: -64.6MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2026.79ms. Allocated memory is still 159.4MB. Free memory was 129.3MB in the beginning and 114.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 78.58ms. Allocated memory is still 159.4MB. Free memory was 114.8MB in the beginning and 111.6MB 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.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [188] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [272] - GenericResultAtLocation [Line: 408]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [408] - GenericResultAtLocation [Line: 477]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [477] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [843] - GenericResultAtLocation [Line: 852]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [852] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 122 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 88 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 95 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 419]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L193] int waterLevel = 1; [L194] int methaneLevelCritical = 0; [L278] int pumpRunning = 0; [L279] int systemActive = 1; [L647] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L410] int splverifierCounter ; [L411] int tmp ; [L412] int tmp___0 ; [L413] int tmp___1 ; [L414] int tmp___2 ; [L417] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L419] COND TRUE 1 [L421] COND TRUE splverifierCounter < 4 [L427] tmp = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp)) [L437] tmp___0 = __VERIFIER_nondet_int() [L439] COND FALSE !(\read(tmp___0)) [L447] tmp___2 = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp___2)) [L455] tmp___1 = __VERIFIER_nondet_int() [L457] COND FALSE !(\read(tmp___1)) [L466] CALL timeShift() [L286] COND FALSE !(\read(pumpRunning)) [L293] COND TRUE \read(systemActive) [L295] FCALL processEnvironment() [L301] CALL __utac_acc__Specification4_spec__1() [L854] int tmp ; [L855] int tmp___0 ; [L859] CALL, EXPR getWaterLevel() [L264] int retValue_acc ; [L267] retValue_acc = waterLevel [L268] return (retValue_acc); [L859] RET, EXPR getWaterLevel() [L859] tmp = getWaterLevel() [L861] COND FALSE !(tmp == 0) [L301] RET __utac_acc__Specification4_spec__1() [L466] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 419]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L193] int waterLevel = 1; [L194] int methaneLevelCritical = 0; [L278] int pumpRunning = 0; [L279] int systemActive = 1; [L647] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L410] int splverifierCounter ; [L411] int tmp ; [L412] int tmp___0 ; [L413] int tmp___1 ; [L414] int tmp___2 ; [L417] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L419] COND TRUE 1 [L421] COND TRUE splverifierCounter < 4 [L427] tmp = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp)) [L437] tmp___0 = __VERIFIER_nondet_int() [L439] COND FALSE !(\read(tmp___0)) [L447] tmp___2 = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp___2)) [L455] tmp___1 = __VERIFIER_nondet_int() [L457] COND FALSE !(\read(tmp___1)) [L466] CALL timeShift() [L286] COND FALSE !(\read(pumpRunning)) [L293] COND TRUE \read(systemActive) [L295] FCALL processEnvironment() [L301] CALL __utac_acc__Specification4_spec__1() [L854] int tmp ; [L855] int tmp___0 ; [L859] CALL, EXPR getWaterLevel() [L264] int retValue_acc ; [L267] retValue_acc = waterLevel [L268] return (retValue_acc); [L859] RET, EXPR getWaterLevel() [L859] tmp = getWaterLevel() [L861] COND FALSE !(tmp == 0) [L301] RET __utac_acc__Specification4_spec__1() [L466] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:41:29,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2baacd-921f-4818-958c-34de62e0f433/bin/uautomizer-verify-uCwYo4JHxu/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)