./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB --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 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:43:52,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:43:52,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 02:43:52,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:43:52,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:43:52,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:43:52,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:43:52,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:43:52,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:43:52,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:43:52,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:43:52,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:43:52,992 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:43:52,992 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:43:52,992 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:43:52,992 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:43:52,992 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:43:52,992 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:43:52,992 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:43:52,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:43:52,993 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:43:52,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:43:52,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:43:52,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:52,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:43:52,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:43:52,995 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:43:52,995 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 [2024-11-28 02:43:53,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:43:53,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:43:53,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:43:53,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:43:53,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:43:53,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2024-11-28 02:43:56,431 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/data/adc158b36/9f0d8433e92c4996a0a82ce5e726b125/FLAG769300625 [2024-11-28 02:43:56,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:43:56,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2024-11-28 02:43:56,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/data/adc158b36/9f0d8433e92c4996a0a82ce5e726b125/FLAG769300625 [2024-11-28 02:43:56,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/data/adc158b36/9f0d8433e92c4996a0a82ce5e726b125 [2024-11-28 02:43:56,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:43:56,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:43:56,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:56,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:43:56,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:43:56,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:56" (1/1) ... [2024-11-28 02:43:56,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24778243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:56, skipping insertion in model container [2024-11-28 02:43:56,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:56" (1/1) ... [2024-11-28 02:43:56,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:43:57,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:57,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:43:57,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-28 02:43:57,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-28 02:43:57,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [183] [2024-11-28 02:43:57,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [211] [2024-11-28 02:43:57,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [310] [2024-11-28 02:43:57,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [491] [2024-11-28 02:43:57,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [857] [2024-11-28 02:43:57,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [924] [2024-11-28 02:43:57,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:57,352 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:43:57,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57 WrapperNode [2024-11-28 02:43:57,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:57,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:57,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:43:57,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:43:57,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,410 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 51, statements flattened = 328 [2024-11-28 02:43:57,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:57,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:43:57,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:43:57,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:43:57,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,441 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]. [2024-11-28 02:43:57,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:43:57,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:43:57,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:43:57,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:43:57,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (1/1) ... [2024-11-28 02:43:57,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:43:57,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:57,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:43:57,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:43:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:43:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:43:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:43:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:43:57,606 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:43:57,608 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:43:57,966 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-28 02:43:57,967 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:43:57,979 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:43:57,979 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 02:43:57,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:57 BoogieIcfgContainer [2024-11-28 02:43:57,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:43:57,980 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:43:57,980 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:43:57,987 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:43:57,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:43:57,988 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:43:56" (1/3) ... [2024-11-28 02:43:57,989 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@413c5c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:43:57, skipping insertion in model container [2024-11-28 02:43:57,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:43:57,990 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:57" (2/3) ... [2024-11-28 02:43:57,991 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@413c5c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:43:57, skipping insertion in model container [2024-11-28 02:43:57,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:43:57,993 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:57" (3/3) ... [2024-11-28 02:43:57,994 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2024-11-28 02:43:58,065 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:43:58,067 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:43:58,068 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:43:58,068 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:43:58,068 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:43:58,068 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:43:58,068 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:43:58,069 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:43:58,075 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) [2024-11-28 02:43:58,103 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-28 02:43:58,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:43:58,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:43:58,110 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:58,110 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:58,111 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:43:58,112 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) [2024-11-28 02:43:58,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-28 02:43:58,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:43:58,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:43:58,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:58,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:58,133 INFO L747 eck$LassoCheckResult]: Stem: "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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#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___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 02:43:58,133 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 02:43:58,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-28 02:43:58,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:43:58,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792199580] [2024-11-28 02:43:58,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:58,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:58,273 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:43:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:58,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:43:58,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:58,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1122369903, now seen corresponding path program 1 times [2024-11-28 02:43:58,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:43:58,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938947882] [2024-11-28 02:43:58,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:58,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:58,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:43:58,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938947882] [2024-11-28 02:43:58,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938947882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:58,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446675182] [2024-11-28 02:43:58,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:58,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:58,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:58,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:58,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:43:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:58,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:43:58,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:58,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:58,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446675182] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:43:58,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:43:58,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 02:43:58,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485032057] [2024-11-28 02:43:58,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:58,640 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:43:58,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:43:58,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:58,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:58,676 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-28 02:43:58,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:58,725 INFO L93 Difference]: Finished difference Result 98 states and 124 transitions. [2024-11-28 02:43:58,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 124 transitions. [2024-11-28 02:43:58,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2024-11-28 02:43:58,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 88 states and 113 transitions. [2024-11-28 02:43:58,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2024-11-28 02:43:58,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2024-11-28 02:43:58,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 113 transitions. [2024-11-28 02:43:58,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:43:58,751 INFO L218 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-11-28 02:43:58,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 113 transitions. [2024-11-28 02:43:58,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-28 02:43:58,782 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) [2024-11-28 02:43:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2024-11-28 02:43:58,787 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-11-28 02:43:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:58,792 INFO L425 stractBuchiCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-11-28 02:43:58,792 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:43:58,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 113 transitions. [2024-11-28 02:43:58,794 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2024-11-28 02:43:58,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:43:58,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:43:58,795 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:58,795 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] [2024-11-28 02:43:58,795 INFO L747 eck$LassoCheckResult]: Stem: "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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#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___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 02:43:58,795 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 02:43:58,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:58,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-28 02:43:58,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:43:58,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779505754] [2024-11-28 02:43:58,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:58,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:58,812 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:43:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:58,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:43:58,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:58,841 INFO L85 PathProgramCache]: Analyzing trace with hash 548151067, now seen corresponding path program 1 times [2024-11-28 02:43:58,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:43:58,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625139671] [2024-11-28 02:43:58,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:58,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:58,855 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:43:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:58,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:43:58,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:58,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1444672809, now seen corresponding path program 1 times [2024-11-28 02:43:58,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:43:58,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782362326] [2024-11-28 02:43:58,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:58,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:58,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:43:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:58,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:44:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:44:00,165 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:44:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:44:00,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:44:00 BoogieIcfgContainer [2024-11-28 02:44:00,237 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:44:00,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:44:00,237 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:44:00,238 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:44:00,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:57" (3/4) ... [2024-11-28 02:44:00,240 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 02:44:00,284 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:44:00,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:44:00,288 INFO L158 Benchmark]: Toolchain (without parser) took 3542.66ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 71.7MB in the end (delta: 20.8MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-28 02:44:00,289 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:44:00,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.22ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 74.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:44:00,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.47ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:44:00,290 INFO L158 Benchmark]: Boogie Preprocessor took 51.68ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 69.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:44:00,290 INFO L158 Benchmark]: RCFGBuilder took 516.36ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 51.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:44:00,290 INFO L158 Benchmark]: BuchiAutomizer took 2256.41ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 74.4MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:44:00,291 INFO L158 Benchmark]: Witness Printer took 47.02ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 71.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:44:00,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.22ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 74.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.47ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.68ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 69.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 516.36ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 51.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2256.41ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 74.4MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.02ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 71.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 183]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [183] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [211] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [310] - GenericResultAtLocation [Line: 491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [491] - GenericResultAtLocation [Line: 857]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [857] - GenericResultAtLocation [Line: 924]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [924] * 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 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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: 870]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L95] int waterLevel = 1; [L96] int methaneLevelCritical = 0; [L212] int cleanupTimeShifts = 4; [L314] int pumpRunning = 0; [L315] int systemActive = 1; [L661] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L288] int retValue_acc ; [L289] int tmp ; [L293] FCALL select_helpers() [L294] FCALL select_features() [L295] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L295] RET, EXPR valid_product() [L295] tmp = valid_product() [L297] COND TRUE \read(tmp) [L299] FCALL setup() [L300] CALL runTest() [L282] CALL test() [L859] int splverifierCounter ; [L860] int tmp ; [L861] int tmp___0 ; [L862] int tmp___1 ; [L863] int tmp___2 ; [L866] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L870] COND TRUE splverifierCounter < 4 [L876] tmp = __VERIFIER_nondet_int() [L878] COND FALSE !(\read(tmp)) [L886] tmp___0 = __VERIFIER_nondet_int() [L888] COND FALSE !(\read(tmp___0)) [L896] tmp___2 = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp___2)) [L904] tmp___1 = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp___1) [L913] CALL timeShift() [L321] COND FALSE !(\read(pumpRunning)) [L328] COND TRUE \read(systemActive) [L330] CALL processEnvironment() [L350] int tmp ; [L353] COND FALSE !(\read(pumpRunning)) [L368] FCALL processEnvironment__wrappee__base() [L330] RET processEnvironment() [L336] CALL __utac_acc__Specification1_spec__1() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR isMethaneLevelCritical() [L134] int retValue_acc ; [L137] retValue_acc = methaneLevelCritical [L138] return (retValue_acc); [L192] RET, EXPR isMethaneLevelCritical() [L192] tmp = isMethaneLevelCritical() [L194] COND FALSE !(\read(tmp)) [L336] RET __utac_acc__Specification1_spec__1() [L913] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 870]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L95] int waterLevel = 1; [L96] int methaneLevelCritical = 0; [L212] int cleanupTimeShifts = 4; [L314] int pumpRunning = 0; [L315] int systemActive = 1; [L661] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L288] int retValue_acc ; [L289] int tmp ; [L293] FCALL select_helpers() [L294] FCALL select_features() [L295] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L295] RET, EXPR valid_product() [L295] tmp = valid_product() [L297] COND TRUE \read(tmp) [L299] FCALL setup() [L300] CALL runTest() [L282] CALL test() [L859] int splverifierCounter ; [L860] int tmp ; [L861] int tmp___0 ; [L862] int tmp___1 ; [L863] int tmp___2 ; [L866] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L870] COND TRUE splverifierCounter < 4 [L876] tmp = __VERIFIER_nondet_int() [L878] COND FALSE !(\read(tmp)) [L886] tmp___0 = __VERIFIER_nondet_int() [L888] COND FALSE !(\read(tmp___0)) [L896] tmp___2 = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp___2)) [L904] tmp___1 = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp___1) [L913] CALL timeShift() [L321] COND FALSE !(\read(pumpRunning)) [L328] COND TRUE \read(systemActive) [L330] CALL processEnvironment() [L350] int tmp ; [L353] COND FALSE !(\read(pumpRunning)) [L368] FCALL processEnvironment__wrappee__base() [L330] RET processEnvironment() [L336] CALL __utac_acc__Specification1_spec__1() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR isMethaneLevelCritical() [L134] int retValue_acc ; [L137] retValue_acc = methaneLevelCritical [L138] return (retValue_acc); [L192] RET, EXPR isMethaneLevelCritical() [L192] tmp = isMethaneLevelCritical() [L194] COND FALSE !(\read(tmp)) [L336] RET __utac_acc__Specification1_spec__1() [L913] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 02:44:00,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:44:00,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8994e70-7622-43af-8167-2b67c61d88f5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)