./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a 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_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU --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 5af7a19aabc47c6ad0d023db96d81a1e5e3db737faffc67c3935346aa9890fbf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:14,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:14,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:19:14,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:14,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:14,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:14,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:14,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:14,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:14,201 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:14,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:14,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:14,202 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:14,203 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:19:14,203 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:19:14,203 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:19:14,204 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:19:14,206 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:19:14,207 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:19:14,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:14,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:19:14,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:19:14,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:14,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:19:14,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:14,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:19:14,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:19:14,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:19:14,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:14,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:19:14,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:19:14,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:14,221 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:19:14,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:14,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:14,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:14,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:14,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:14,223 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:19:14,224 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_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5af7a19aabc47c6ad0d023db96d81a1e5e3db737faffc67c3935346aa9890fbf [2024-10-31 22:19:14,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:14,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:14,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:14,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:14,573 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:14,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c Unable to find full path for "g++" [2024-10-31 22:19:17,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:17,283 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:17,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2024-10-31 22:19:17,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/data/8b0e02797/19fcd858e0734a74ae7a1e15f94e96c7/FLAG6ea4082e7 [2024-10-31 22:19:17,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/data/8b0e02797/19fcd858e0734a74ae7a1e15f94e96c7 [2024-10-31 22:19:17,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:17,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:17,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:17,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:17,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:17,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:17,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443e59fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17, skipping insertion in model container [2024-10-31 22:19:17,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:17,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:17,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:17,775 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:17,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2024-10-31 22:19:17,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-10-31 22:19:17,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [96] [2024-10-31 22:19:17,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [462] [2024-10-31 22:19:17,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [556] [2024-10-31 22:19:17,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [594] [2024-10-31 22:19:17,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [693] [2024-10-31 22:19:17,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [865] [2024-10-31 22:19:17,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:17,898 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:17,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17 WrapperNode [2024-10-31 22:19:17,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:17,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:17,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:17,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:17,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:17,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:17,965 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 360 [2024-10-31 22:19:17,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:17,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:17,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:17,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:17,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:17,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:17,984 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:18,010 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:19:18,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:18,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:18,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:18,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:18,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:18,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:18,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:18,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:18,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:18,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:18,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (1/1) ... [2024-10-31 22:19:18,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:18,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:18,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:18,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:19:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:19:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:18,191 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:18,193 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:18,569 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:18,569 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:18,591 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:18,592 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:19:18,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:18 BoogieIcfgContainer [2024-10-31 22:19:18,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:18,595 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:19:18,595 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:19:18,599 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:19:18,601 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:18,601 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:19:17" (1/3) ... [2024-10-31 22:19:18,602 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45c39fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:19:18, skipping insertion in model container [2024-10-31 22:19:18,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:18,604 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:17" (2/3) ... [2024-10-31 22:19:18,604 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45c39fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:19:18, skipping insertion in model container [2024-10-31 22:19:18,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:18,605 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:18" (3/3) ... [2024-10-31 22:19:18,607 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product25.cil.c [2024-10-31 22:19:18,714 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:19:18,715 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:19:18,716 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:19:18,716 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:19:18,716 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:19:18,716 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:19:18,716 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:19:18,717 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:19:18,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3636363636363635) internal successors, (150), 110 states have internal predecessors, (150), 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) [2024-10-31 22:19:18,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-10-31 22:19:18,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:18,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:18,769 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:18,770 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:18,770 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:19:18,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3636363636363635) internal successors, (150), 110 states have internal predecessors, (150), 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) [2024-10-31 22:19:18,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-10-31 22:19:18,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:18,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:18,787 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:18,788 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:18,794 INFO L745 eck$LassoCheckResult]: Stem: 29#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 75#valid_product_returnLabel#1true main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 103#L680true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 60#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 74#L876-2true [2024-10-31 22:19:18,796 INFO L747 eck$LassoCheckResult]: Loop: 74#L876-2true assume !false; 24#L877true assume test_~splverifierCounter~0#1 < 4; 38#L878true havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 111#L886true assume !(0 != test_~tmp~8#1); 17#L886-2true havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 13#L896true assume !(0 != test_~tmp___0~2#1); 62#L896-2true havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 89#L906true assume 0 != test_~tmp___2~0#1; 66#L912-2true assume { :begin_inline_timeShift } true; 15#L703true assume !(0 != ~pumpRunning~0); 83#L703-2true assume !(0 != ~systemActive~0); 54#L710-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 101#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 7#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 108#L69-1true havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 51#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 74#L876-2true [2024-10-31 22:19:18,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:18,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-31 22:19:18,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:18,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809313976] [2024-10-31 22:19:18,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:18,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:19,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:19,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:19,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:19,146 INFO L85 PathProgramCache]: Analyzing trace with hash -828899338, now seen corresponding path program 1 times [2024-10-31 22:19:19,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:19,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632297297] [2024-10-31 22:19:19,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:19,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:19,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:19,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:19,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:19,187 INFO L85 PathProgramCache]: Analyzing trace with hash 526519738, now seen corresponding path program 1 times [2024-10-31 22:19:19,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:19,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317570683] [2024-10-31 22:19:19,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:19,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:19,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:19,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317570683] [2024-10-31 22:19:19,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317570683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:19,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:19,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:19:19,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91516788] [2024-10-31 22:19:19,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:19,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:19,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:19:19,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:19:19,654 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3636363636363635) internal successors, (150), 110 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:19,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:19,755 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2024-10-31 22:19:19,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 133 transitions. [2024-10-31 22:19:19,760 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-10-31 22:19:19,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 95 states and 123 transitions. [2024-10-31 22:19:19,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2024-10-31 22:19:19,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2024-10-31 22:19:19,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 123 transitions. [2024-10-31 22:19:19,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:19,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 95 states and 123 transitions. [2024-10-31 22:19:19,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 123 transitions. [2024-10-31 22:19:19,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-31 22:19:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 94 states have internal predecessors, (123), 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) [2024-10-31 22:19:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2024-10-31 22:19:19,806 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 123 transitions. [2024-10-31 22:19:19,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:19,812 INFO L425 stractBuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2024-10-31 22:19:19,813 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:19:19,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 123 transitions. [2024-10-31 22:19:19,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-10-31 22:19:19,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:19,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:19,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:19,816 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] [2024-10-31 22:19:19,816 INFO L745 eck$LassoCheckResult]: Stem: 314#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 315#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 306#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 307#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 299#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 300#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 239#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 240#L876-2 [2024-10-31 22:19:19,816 INFO L747 eck$LassoCheckResult]: Loop: 240#L876-2 assume !false; 292#L877 assume test_~splverifierCounter~0#1 < 4; 293#L878 havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 323#L886 assume !(0 != test_~tmp~8#1); 272#L886-2 havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 268#L896 assume !(0 != test_~tmp___0~2#1); 246#L896-2 havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 247#L906 assume 0 != test_~tmp___2~0#1; 256#L912-2 assume { :begin_inline_timeShift } true; 257#L703 assume !(0 != ~pumpRunning~0); 267#L703-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 311#L735 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 253#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 254#L735-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 328#L710-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 324#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 248#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 249#L69-1 havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 326#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 240#L876-2 [2024-10-31 22:19:19,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:19,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-31 22:19:19,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:19,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091205637] [2024-10-31 22:19:19,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:19,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:19,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:19,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:19,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:19,844 INFO L85 PathProgramCache]: Analyzing trace with hash -646846987, now seen corresponding path program 1 times [2024-10-31 22:19:19,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:19,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166075305] [2024-10-31 22:19:19,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:19,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:19,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:19,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:19,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:19,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1655296433, now seen corresponding path program 1 times [2024-10-31 22:19:19,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:19,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087431303] [2024-10-31 22:19:19,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:20,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:20,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087431303] [2024-10-31 22:19:20,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087431303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:20,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:20,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:19:20,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459530902] [2024-10-31 22:19:20,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:20,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:20,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:19:20,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:20,139 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-10-31 22:19:20,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:20,255 INFO L93 Difference]: Finished difference Result 183 states and 235 transitions. [2024-10-31 22:19:20,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 183 states and 235 transitions. [2024-10-31 22:19:20,258 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2024-10-31 22:19:20,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 183 states to 183 states and 235 transitions. [2024-10-31 22:19:20,260 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2024-10-31 22:19:20,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 183 [2024-10-31 22:19:20,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 235 transitions. [2024-10-31 22:19:20,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:20,262 INFO L218 hiAutomatonCegarLoop]: Abstraction has 183 states and 235 transitions. [2024-10-31 22:19:20,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 235 transitions. [2024-10-31 22:19:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-10-31 22:19:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.284153005464481) internal successors, (235), 182 states have internal predecessors, (235), 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) [2024-10-31 22:19:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 235 transitions. [2024-10-31 22:19:20,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 183 states and 235 transitions. [2024-10-31 22:19:20,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:20,275 INFO L425 stractBuchiCegarLoop]: Abstraction has 183 states and 235 transitions. [2024-10-31 22:19:20,275 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:19:20,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 235 transitions. [2024-10-31 22:19:20,277 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2024-10-31 22:19:20,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:20,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:20,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:20,278 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:20,279 INFO L745 eck$LassoCheckResult]: Stem: 608#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 609#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 598#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 599#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 592#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 593#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 534#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 535#L876-2 [2024-10-31 22:19:20,279 INFO L747 eck$LassoCheckResult]: Loop: 535#L876-2 assume !false; 585#L877 assume test_~splverifierCounter~0#1 < 4; 586#L878 havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 617#L886 assume !(0 != test_~tmp~8#1); 564#L886-2 havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 559#L896 assume !(0 != test_~tmp___0~2#1); 561#L896-2 havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 708#L906 assume 0 != test_~tmp___2~0#1; 706#L912-2 assume { :begin_inline_timeShift } true; 703#L703 assume !(0 != ~pumpRunning~0); 700#L703-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 697#L735 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 694#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 692#L735-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 691#L710-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 690#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 540#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#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; 541#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 574#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 576#L69-1 havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 628#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 535#L876-2 [2024-10-31 22:19:20,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:20,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-10-31 22:19:20,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:20,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25951598] [2024-10-31 22:19:20,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:20,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:20,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:20,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:20,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1151495210, now seen corresponding path program 1 times [2024-10-31 22:19:20,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:20,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313541920] [2024-10-31 22:19:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:20,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:20,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:20,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1603164390, now seen corresponding path program 1 times [2024-10-31 22:19:20,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:20,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026924585] [2024-10-31 22:19:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:20,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:20,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:21,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:21,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:19:21 BoogieIcfgContainer [2024-10-31 22:19:21,511 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:19:21,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:19:21,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:19:21,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:19:21,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:18" (3/4) ... [2024-10-31 22:19:21,514 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-31 22:19:21,592 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:19:21,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:19:21,593 INFO L158 Benchmark]: Toolchain (without parser) took 4258.59ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 116.6MB in the beginning and 65.8MB in the end (delta: 50.8MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2024-10-31 22:19:21,593 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 157.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:19:21,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.08ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 95.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:19:21,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.82ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 93.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:19:21,594 INFO L158 Benchmark]: Boogie Preprocessor took 62.84ms. Allocated memory is still 157.3MB. Free memory was 93.0MB in the beginning and 89.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:21,595 INFO L158 Benchmark]: RCFGBuilder took 563.58ms. Allocated memory is still 157.3MB. Free memory was 89.9MB in the beginning and 69.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:19:21,599 INFO L158 Benchmark]: BuchiAutomizer took 2916.16ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-10-31 22:19:21,600 INFO L158 Benchmark]: Witness Printer took 80.67ms. Allocated memory is still 199.2MB. Free memory was 67.9MB in the beginning and 65.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:21,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 157.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.08ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 95.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.82ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 93.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.84ms. Allocated memory is still 157.3MB. Free memory was 93.0MB in the beginning and 89.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.58ms. Allocated memory is still 157.3MB. Free memory was 89.9MB in the beginning and 69.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2916.16ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 80.67ms. Allocated memory is still 199.2MB. Free memory was 67.9MB in the beginning and 65.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [96] - GenericResultAtLocation [Line: 462]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [462] - GenericResultAtLocation [Line: 556]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [556] - GenericResultAtLocation [Line: 594]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [594] - GenericResultAtLocation [Line: 693]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [693] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [865] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 183 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 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, 347 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 347 mSDsluCounter, 831 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 587 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 244 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 876]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L468] int waterLevel = 1; [L469] int methaneLevelCritical = 0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L586] int retValue_acc ; [L589] retValue_acc = 1 [L590] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L867] int splverifierCounter ; [L868] int tmp ; [L869] int tmp___0 ; [L870] int tmp___1 ; [L871] int tmp___2 ; [L874] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L876] COND TRUE 1 [L878] COND TRUE splverifierCounter < 4 [L884] tmp = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp)) [L894] tmp___0 = __VERIFIER_nondet_int() [L896] COND FALSE !(\read(tmp___0)) [L904] tmp___2 = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp___2) [L919] CALL timeShift() [L703] COND FALSE !(\read(pumpRunning)) [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L732] int tmp ; [L735] COND FALSE !(\read(pumpRunning)) [L750] FCALL processEnvironment__wrappee__base() [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L507] int retValue_acc ; [L510] retValue_acc = methaneLevelCritical [L511] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L539] int retValue_acc ; [L542] retValue_acc = waterLevel [L543] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L718] RET __utac_acc__Specification3_spec__1() [L919] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 876]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L468] int waterLevel = 1; [L469] int methaneLevelCritical = 0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L586] int retValue_acc ; [L589] retValue_acc = 1 [L590] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L867] int splverifierCounter ; [L868] int tmp ; [L869] int tmp___0 ; [L870] int tmp___1 ; [L871] int tmp___2 ; [L874] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L876] COND TRUE 1 [L878] COND TRUE splverifierCounter < 4 [L884] tmp = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp)) [L894] tmp___0 = __VERIFIER_nondet_int() [L896] COND FALSE !(\read(tmp___0)) [L904] tmp___2 = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp___2) [L919] CALL timeShift() [L703] COND FALSE !(\read(pumpRunning)) [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L732] int tmp ; [L735] COND FALSE !(\read(pumpRunning)) [L750] FCALL processEnvironment__wrappee__base() [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L507] int retValue_acc ; [L510] retValue_acc = methaneLevelCritical [L511] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L539] int retValue_acc ; [L542] retValue_acc = waterLevel [L543] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L718] RET __utac_acc__Specification3_spec__1() [L919] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-31 22:19:21,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e00680e-91da-483a-b160-d5ab9856ff39/bin/uautomizer-verify-4GaUIPS5ZU/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)