./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/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_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/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_f144b182-4927-4187-8430-3c34c3ed68b5/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 ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:43:44,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:43:44,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:43:45,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:43:45,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:43:45,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:43:45,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:43:45,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:43:45,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:43:45,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:43:45,029 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:43:45,030 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:43:45,030 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:43:45,031 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:43:45,032 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:43:45,032 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:43:45,033 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:43:45,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:43:45,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:43:45,034 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:43:45,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:43:45,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:43:45,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:43:45,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:43:45,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:43:45,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:43:45,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:43:45,038 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:43:45,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:43:45,039 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:43:45,039 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:43:45,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:43:45,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:43:45,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:43:45,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:43:45,042 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:43:45,042 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_f144b182-4927-4187-8430-3c34c3ed68b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2023-11-19 07:43:45,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:43:45,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:43:45,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:43:45,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:43:45,356 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:43:45,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2023-11-19 07:43:48,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:43:48,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:43:48,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2023-11-19 07:43:48,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/data/46953e542/f6655dc2b128438a9860c9d53d064e2b/FLAG2d57b57f5 [2023-11-19 07:43:48,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/data/46953e542/f6655dc2b128438a9860c9d53d064e2b [2023-11-19 07:43:48,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:43:48,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:43:48,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:48,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:43:48,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:43:48,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:48" (1/1) ... [2023-11-19 07:43:48,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30508061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:48, skipping insertion in model container [2023-11-19 07:43:48,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:48" (1/1) ... [2023-11-19 07:43:48,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:43:49,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:43:49,236 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:43:49,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-19 07:43:49,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] [2023-11-19 07:43:49,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [144] [2023-11-19 07:43:49,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [182] [2023-11-19 07:43:49,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [283] [2023-11-19 07:43:49,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [323] [2023-11-19 07:43:49,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2023-11-19 07:43:49,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [757] [2023-11-19 07:43:49,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:43:49,338 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:43:49,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49 WrapperNode [2023-11-19 07:43:49,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:49,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:43:49,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:43:49,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:43:49,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,396 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 52, statements flattened = 328 [2023-11-19 07:43:49,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:43:49,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:43:49,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:43:49,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:43:49,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:43:49,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:43:49,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:43:49,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:43:49,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (1/1) ... [2023-11-19 07:43:49,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:43:49,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:43:49,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:43:49,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:43:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:43:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:43:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:43:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:43:49,603 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:43:49,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:43:49,961 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:43:49,975 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:43:49,982 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:43:49,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:49 BoogieIcfgContainer [2023-11-19 07:43:49,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:43:49,992 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:43:49,992 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:43:49,996 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:43:49,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:43:49,998 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:43:48" (1/3) ... [2023-11-19 07:43:49,999 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1583d2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:43:49, skipping insertion in model container [2023-11-19 07:43:49,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:43:49,999 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:49" (2/3) ... [2023-11-19 07:43:50,001 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1583d2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:43:49, skipping insertion in model container [2023-11-19 07:43:50,001 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:43:50,002 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:49" (3/3) ... [2023-11-19 07:43:50,003 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2023-11-19 07:43:50,057 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:43:50,058 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:43:50,058 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:43:50,058 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:43:50,058 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:43:50,058 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:43:50,058 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:43:50,059 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:43:50,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.3592233009708738) internal successors, (140), 103 states have internal predecessors, (140), 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 07:43:50,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2023-11-19 07:43:50,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:43:50,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:43:50,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:50,123 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 07:43:50,123 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:43:50,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.3592233009708738) internal successors, (140), 103 states have internal predecessors, (140), 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 07:43:50,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2023-11-19 07:43:50,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:43:50,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:43:50,132 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:50,132 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 07:43:50,138 INFO L748 eck$LassoCheckResult]: Stem: 26#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 84#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 76#valid_product_returnLabel#1true main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 15#L270true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 64#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 83#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L701-2true [2023-11-19 07:43:50,139 INFO L750 eck$LassoCheckResult]: Loop: 22#L701-2true assume !false; 19#L702true assume test_~splverifierCounter~0#1 < 4; 16#L703true havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 29#L711true assume !(0 != test_~tmp~5#1); 59#L711-2true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 73#L721true assume !(0 != test_~tmp___0~1#1); 69#L721-2true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 80#L731true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 41#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 90#L739-2true assume { :begin_inline_timeShift } true; 88#L767true assume !(0 != ~pumpRunning~0); 23#L767-2true assume !(0 != ~systemActive~0); 89#L774-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#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; 63#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 72#L302true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 17#L302-1true havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 51#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 22#L701-2true [2023-11-19 07:43:50,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:50,145 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-19 07:43:50,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:50,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808542003] [2023-11-19 07:43:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:50,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:43:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:50,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:43:50,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:50,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2019006027, now seen corresponding path program 1 times [2023-11-19 07:43:50,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:50,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442537335] [2023-11-19 07:43:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:50,417 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 07:43:50,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:50,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442537335] [2023-11-19 07:43:50,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442537335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:50,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:50,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:43:50,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863824121] [2023-11-19 07:43:50,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:50,425 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:43:50,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:50,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:43:50,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:43:50,463 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.3592233009708738) internal successors, (140), 103 states have internal predecessors, (140), 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 07:43:50,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:43:50,499 INFO L93 Difference]: Finished difference Result 98 states and 124 transitions. [2023-11-19 07:43:50,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 124 transitions. [2023-11-19 07:43:50,506 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2023-11-19 07:43:50,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 88 states and 113 transitions. [2023-11-19 07:43:50,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2023-11-19 07:43:50,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2023-11-19 07:43:50,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 113 transitions. [2023-11-19 07:43:50,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:43:50,515 INFO L218 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2023-11-19 07:43:50,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 113 transitions. [2023-11-19 07:43:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-19 07:43:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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 07:43:50,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2023-11-19 07:43:50,552 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2023-11-19 07:43:50,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:43:50,558 INFO L428 stractBuchiCegarLoop]: Abstraction has 88 states and 113 transitions. [2023-11-19 07:43:50,558 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:43:50,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 113 transitions. [2023-11-19 07:43:50,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2023-11-19 07:43:50,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:43:50,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:43:50,563 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:50,563 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] [2023-11-19 07:43:50,563 INFO L748 eck$LassoCheckResult]: Stem: 271#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 262#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 263#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 260#valid_product_returnLabel#1 main_#t~ret10#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 241#L270 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 215#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 216#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 266#L701-2 [2023-11-19 07:43:50,564 INFO L750 eck$LassoCheckResult]: Loop: 266#L701-2 assume !false; 261#L702 assume test_~splverifierCounter~0#1 < 4; 244#L703 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 245#L711 assume !(0 != test_~tmp~5#1); 279#L711-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 251#L721 assume !(0 != test_~tmp___0~1#1); 233#L721-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 234#L731 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 211#L739 assume 0 != test_~tmp___1~0#1; 212#L739-2 assume { :begin_inline_timeShift } true; 280#L767 assume !(0 != ~pumpRunning~0); 264#L767-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 265#L799 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 294#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 277#L799-1 havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 278#L774-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#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; 282#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 249#L302 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 243#L302-1 havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 254#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 266#L701-2 [2023-11-19 07:43:50,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:50,565 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-19 07:43:50,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:50,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017659265] [2023-11-19 07:43:50,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:50,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:50,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:43:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:50,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:43:50,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:50,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1888536175, now seen corresponding path program 1 times [2023-11-19 07:43:50,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:50,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793946695] [2023-11-19 07:43:50,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:50,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:50,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:43:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:50,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:43:50,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:50,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1033905448, now seen corresponding path program 1 times [2023-11-19 07:43:50,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:50,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589500306] [2023-11-19 07:43:50,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:50,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:50,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:43:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:50,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:43:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:51,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:43:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:43:52,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:43:52 BoogieIcfgContainer [2023-11-19 07:43:52,073 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:43:52,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:43:52,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:43:52,075 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:43:52,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:49" (3/4) ... [2023-11-19 07:43:52,079 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:43:52,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:43:52,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:43:52,167 INFO L158 Benchmark]: Toolchain (without parser) took 3327.63ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 97.5MB in the beginning and 65.1MB in the end (delta: 32.4MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2023-11-19 07:43:52,167 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:43:52,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.42ms. Allocated memory is still 130.0MB. Free memory was 97.5MB in the beginning and 78.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:43:52,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.92ms. Allocated memory is still 130.0MB. Free memory was 78.6MB in the beginning and 75.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:43:52,169 INFO L158 Benchmark]: Boogie Preprocessor took 32.40ms. Allocated memory is still 130.0MB. Free memory was 75.8MB in the beginning and 74.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:43:52,170 INFO L158 Benchmark]: RCFGBuilder took 559.94ms. Allocated memory is still 130.0MB. Free memory was 74.2MB in the beginning and 56.5MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:43:52,175 INFO L158 Benchmark]: BuchiAutomizer took 2081.49ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 56.5MB in the beginning and 68.3MB in the end (delta: -11.8MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-11-19 07:43:52,175 INFO L158 Benchmark]: Witness Printer took 91.74ms. Allocated memory is still 182.5MB. Free memory was 68.3MB in the beginning and 65.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:43:52,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.42ms. Allocated memory is still 130.0MB. Free memory was 97.5MB in the beginning and 78.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.92ms. Allocated memory is still 130.0MB. Free memory was 78.6MB in the beginning and 75.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.40ms. Allocated memory is still 130.0MB. Free memory was 75.8MB in the beginning and 74.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.94ms. Allocated memory is still 130.0MB. Free memory was 74.2MB in the beginning and 56.5MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2081.49ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 56.5MB in the beginning and 68.3MB in the end (delta: -11.8MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Witness Printer took 91.74ms. Allocated memory is still 182.5MB. Free memory was 68.3MB in the beginning and 65.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] - GenericResultAtLocation [Line: 144]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [144] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [182] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [283] - GenericResultAtLocation [Line: 323]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [323] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] - GenericResultAtLocation [Line: 757]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [757] * 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 88 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, 0 StatesRemovedByMinimization, 0 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, 119 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 121 mSDtfsCounter, 3 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: 701]: 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; [L183] int cleanupTimeShifts = 4; [L285] int methAndRunningLastTime ; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int pumpRunning = 0; [L761] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] int retValue_acc ; [L262] int tmp ; [L266] FCALL select_helpers() [L267] FCALL select_features() [L268] CALL, EXPR valid_product() [L174] int retValue_acc ; [L177] retValue_acc = 1 [L178] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L268] RET, EXPR valid_product() [L268] tmp = valid_product() [L270] COND TRUE \read(tmp) [L272] FCALL setup() [L273] CALL runTest() [L254] CALL __utac_acc__Specification2_spec__1() [L290] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L254] RET __utac_acc__Specification2_spec__1() [L255] CALL test() [L692] int splverifierCounter ; [L693] int tmp ; [L694] int tmp___0 ; [L695] int tmp___1 ; [L696] int tmp___2 ; [L699] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L701] COND TRUE 1 [L703] COND TRUE splverifierCounter < 4 [L709] tmp = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp)) [L719] tmp___0 = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp___0)) [L729] tmp___2 = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp___2)) [L737] tmp___1 = __VERIFIER_nondet_int() [L739] COND TRUE \read(tmp___1) [L746] CALL timeShift() [L767] COND FALSE !(\read(pumpRunning)) [L774] COND TRUE \read(systemActive) [L776] CALL processEnvironment() [L796] int tmp ; [L799] COND FALSE !(\read(pumpRunning)) [L814] FCALL processEnvironment__wrappee__methaneQuery() [L776] RET processEnvironment() [L782] CALL __utac_acc__Specification2_spec__2() [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L300] RET, EXPR isMethaneLevelCritical() [L300] tmp = isMethaneLevelCritical() [L302] COND FALSE !(\read(tmp)) [L318] methAndRunningLastTime = 0 [L782] RET __utac_acc__Specification2_spec__2() [L746] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 701]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L285] int methAndRunningLastTime ; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int pumpRunning = 0; [L761] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] int retValue_acc ; [L262] int tmp ; [L266] FCALL select_helpers() [L267] FCALL select_features() [L268] CALL, EXPR valid_product() [L174] int retValue_acc ; [L177] retValue_acc = 1 [L178] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L268] RET, EXPR valid_product() [L268] tmp = valid_product() [L270] COND TRUE \read(tmp) [L272] FCALL setup() [L273] CALL runTest() [L254] CALL __utac_acc__Specification2_spec__1() [L290] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L254] RET __utac_acc__Specification2_spec__1() [L255] CALL test() [L692] int splverifierCounter ; [L693] int tmp ; [L694] int tmp___0 ; [L695] int tmp___1 ; [L696] int tmp___2 ; [L699] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L701] COND TRUE 1 [L703] COND TRUE splverifierCounter < 4 [L709] tmp = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp)) [L719] tmp___0 = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp___0)) [L729] tmp___2 = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp___2)) [L737] tmp___1 = __VERIFIER_nondet_int() [L739] COND TRUE \read(tmp___1) [L746] CALL timeShift() [L767] COND FALSE !(\read(pumpRunning)) [L774] COND TRUE \read(systemActive) [L776] CALL processEnvironment() [L796] int tmp ; [L799] COND FALSE !(\read(pumpRunning)) [L814] FCALL processEnvironment__wrappee__methaneQuery() [L776] RET processEnvironment() [L782] CALL __utac_acc__Specification2_spec__2() [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L300] RET, EXPR isMethaneLevelCritical() [L300] tmp = isMethaneLevelCritical() [L302] COND FALSE !(\read(tmp)) [L318] methAndRunningLastTime = 0 [L782] RET __utac_acc__Specification2_spec__2() [L746] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:43:52,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f144b182-4927-4187-8430-3c34c3ed68b5/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)