./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6003483da8ad7192acf961571797960398ac6b188954f23484dd2dbf22e0c27 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:36:52,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:36:52,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:36:52,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:36:52,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:36:52,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:36:52,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:36:52,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:36:52,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:36:52,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:36:52,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:36:52,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:36:52,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:36:52,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:36:52,209 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:36:52,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:36:52,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:36:52,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:36:52,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:36:52,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:36:52,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:36:52,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:36:52,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:36:52,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:36:52,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:36:52,216 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:36:52,217 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:36:52,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:36:52,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:36:52,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:36:52,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:36:52,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:36:52,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:36:52,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:36:52,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:36:52,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:36:52,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:36:52,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:36:52,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:36:52,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:36:52,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:36:52,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:36:52,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:36:52,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:36:52,223 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6003483da8ad7192acf961571797960398ac6b188954f23484dd2dbf22e0c27 [2024-10-13 16:36:52,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:36:52,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:36:52,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:36:52,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:36:52,493 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:36:52,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i [2024-10-13 16:36:53,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:36:54,252 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:36:54,252 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i [2024-10-13 16:36:54,267 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/763656a7d/1db2a10624cf4c5aa166a7960e2a9923/FLAG0cd74bbb6 [2024-10-13 16:36:54,577 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/763656a7d/1db2a10624cf4c5aa166a7960e2a9923 [2024-10-13 16:36:54,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:36:54,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:36:54,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:36:54,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:36:54,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:36:54,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:36:54" (1/1) ... [2024-10-13 16:36:54,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5e0f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:54, skipping insertion in model container [2024-10-13 16:36:54,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:36:54" (1/1) ... [2024-10-13 16:36:54,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:36:55,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:36:55,042 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:36:55,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:36:55,163 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:36:55,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55 WrapperNode [2024-10-13 16:36:55,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:36:55,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:36:55,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:36:55,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:36:55,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,235 INFO L138 Inliner]: procedures = 175, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2024-10-13 16:36:55,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:36:55,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:36:55,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:36:55,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:36:55,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,304 INFO L175 MemorySlicer]: Split 15 memory accesses to 2 slices as follows [2, 13]. 87 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 5 writes are split as follows [0, 5]. [2024-10-13 16:36:55,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:36:55,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:36:55,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:36:55,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:36:55,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (1/1) ... [2024-10-13 16:36:55,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:36:55,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:36:55,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:36:55,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:36:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:36:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:36:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:36:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:36:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:36:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:36:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 16:36:55,444 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 16:36:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 16:36:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 16:36:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-13 16:36:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-13 16:36:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:36:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:36:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:36:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:36:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:36:55,448 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 16:36:55,598 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:36:55,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:36:55,969 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:36:55,970 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:36:56,253 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:36:56,254 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:36:56,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:36:56 BoogieIcfgContainer [2024-10-13 16:36:56,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:36:56,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:36:56,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:36:56,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:36:56,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:36:54" (1/3) ... [2024-10-13 16:36:56,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a591b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:36:56, skipping insertion in model container [2024-10-13 16:36:56,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:55" (2/3) ... [2024-10-13 16:36:56,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a591b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:36:56, skipping insertion in model container [2024-10-13 16:36:56,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:36:56" (3/3) ... [2024-10-13 16:36:56,267 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i [2024-10-13 16:36:56,285 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:36:56,286 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 16:36:56,286 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 16:36:56,346 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 16:36:56,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-10-13 16:36:56,423 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-10-13 16:36:56,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:36:56,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 84 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-13 16:36:56,427 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-10-13 16:36:56,431 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-10-13 16:36:56,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:36:56,449 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@217be2c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:36:56,450 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-13 16:36:56,459 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:36:56,460 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-10-13 16:36:56,460 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:36:56,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:56,461 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:36:56,461 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-13 16:36:56,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:56,466 INFO L85 PathProgramCache]: Analyzing trace with hash 769886981, now seen corresponding path program 1 times [2024-10-13 16:36:56,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:56,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903926911] [2024-10-13 16:36:56,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:36:56,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:56,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903926911] [2024-10-13 16:36:56,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903926911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:56,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:56,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:36:56,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602051745] [2024-10-13 16:36:56,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:56,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:36:56,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:56,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:36:56,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:36:56,933 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39 [2024-10-13 16:36:56,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-10-13 16:36:56,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:56,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39 [2024-10-13 16:36:56,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:57,625 INFO L124 PetriNetUnfolderBase]: 2075/3079 cut-off events. [2024-10-13 16:36:57,626 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-13 16:36:57,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6194 conditions, 3079 events. 2075/3079 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 18629 event pairs, 773 based on Foata normal form. 0/2332 useless extension candidates. Maximal degree in co-relation 6183. Up to 2975 conditions per place. [2024-10-13 16:36:57,660 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 37 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2024-10-13 16:36:57,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 51 transitions, 199 flow [2024-10-13 16:36:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:36:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:36:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-10-13 16:36:57,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7350427350427351 [2024-10-13 16:36:57,675 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 86 transitions. [2024-10-13 16:36:57,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 51 transitions, 199 flow [2024-10-13 16:36:57,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 51 transitions, 194 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 16:36:57,684 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-10-13 16:36:57,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2024-10-13 16:36:57,692 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-10-13 16:36:57,693 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-10-13 16:36:57,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-10-13 16:36:57,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:57,693 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:36:57,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:36:57,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-13 16:36:57,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:57,694 INFO L85 PathProgramCache]: Analyzing trace with hash -540484507, now seen corresponding path program 1 times [2024-10-13 16:36:57,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:57,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458278472] [2024-10-13 16:36:57,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:57,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:36:57,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:57,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458278472] [2024-10-13 16:36:57,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458278472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:57,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:57,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:36:57,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860348641] [2024-10-13 16:36:57,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:57,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:36:57,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:57,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:36:57,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:36:57,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39 [2024-10-13 16:36:57,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-10-13 16:36:57,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:57,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39 [2024-10-13 16:36:57,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:58,281 INFO L124 PetriNetUnfolderBase]: 1343/2015 cut-off events. [2024-10-13 16:36:58,283 INFO L125 PetriNetUnfolderBase]: For 191/196 co-relation queries the response was YES. [2024-10-13 16:36:58,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4798 conditions, 2015 events. 1343/2015 cut-off events. For 191/196 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 11125 event pairs, 427 based on Foata normal form. 2/1710 useless extension candidates. Maximal degree in co-relation 4787. Up to 1910 conditions per place. [2024-10-13 16:36:58,297 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 34 selfloop transitions, 4 changer transitions 0/48 dead transitions. [2024-10-13 16:36:58,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 48 transitions, 206 flow [2024-10-13 16:36:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:36:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:36:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 93 transitions. [2024-10-13 16:36:58,301 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5961538461538461 [2024-10-13 16:36:58,301 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 93 transitions. [2024-10-13 16:36:58,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 48 transitions, 206 flow [2024-10-13 16:36:58,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 48 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:36:58,305 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-10-13 16:36:58,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2024-10-13 16:36:58,306 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-10-13 16:36:58,306 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-10-13 16:36:58,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-10-13 16:36:58,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:58,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:36:58,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:36:58,307 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-13 16:36:58,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:58,308 INFO L85 PathProgramCache]: Analyzing trace with hash -540484506, now seen corresponding path program 1 times [2024-10-13 16:36:58,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:58,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384934112] [2024-10-13 16:36:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:58,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:36:58,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:58,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384934112] [2024-10-13 16:36:58,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384934112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:58,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:58,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:36:58,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888839532] [2024-10-13 16:36:58,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:58,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:36:58,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:58,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:36:58,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:36:58,457 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39 [2024-10-13 16:36:58,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-10-13 16:36:58,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:58,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39 [2024-10-13 16:36:58,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:58,756 INFO L124 PetriNetUnfolderBase]: 911/1395 cut-off events. [2024-10-13 16:36:58,756 INFO L125 PetriNetUnfolderBase]: For 319/324 co-relation queries the response was YES. [2024-10-13 16:36:58,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3255 conditions, 1395 events. 911/1395 cut-off events. For 319/324 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 7040 event pairs, 101 based on Foata normal form. 2/1314 useless extension candidates. Maximal degree in co-relation 3243. Up to 893 conditions per place. [2024-10-13 16:36:58,764 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 44 selfloop transitions, 7 changer transitions 3/64 dead transitions. [2024-10-13 16:36:58,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 64 transitions, 282 flow [2024-10-13 16:36:58,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:36:58,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:36:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 109 transitions. [2024-10-13 16:36:58,766 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6987179487179487 [2024-10-13 16:36:58,767 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 109 transitions. [2024-10-13 16:36:58,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 64 transitions, 282 flow [2024-10-13 16:36:58,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 64 transitions, 277 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 16:36:58,769 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-10-13 16:36:58,769 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2024-10-13 16:36:58,770 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-10-13 16:36:58,770 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-10-13 16:36:58,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-10-13 16:36:58,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:58,771 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:36:58,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:36:58,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-13 16:36:58,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:58,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1183327261, now seen corresponding path program 1 times [2024-10-13 16:36:58,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:58,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686867390] [2024-10-13 16:36:58,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:58,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:36:58,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:58,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686867390] [2024-10-13 16:36:58,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686867390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:58,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:58,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:36:58,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281548164] [2024-10-13 16:36:58,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:58,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:36:58,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:58,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:36:58,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:36:58,925 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39 [2024-10-13 16:36:58,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-10-13 16:36:58,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:58,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39 [2024-10-13 16:36:58,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:59,177 INFO L124 PetriNetUnfolderBase]: 643/1007 cut-off events. [2024-10-13 16:36:59,178 INFO L125 PetriNetUnfolderBase]: For 760/770 co-relation queries the response was YES. [2024-10-13 16:36:59,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2714 conditions, 1007 events. 643/1007 cut-off events. For 760/770 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5080 event pairs, 41 based on Foata normal form. 76/1072 useless extension candidates. Maximal degree in co-relation 2701. Up to 504 conditions per place. [2024-10-13 16:36:59,182 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2024-10-13 16:36:59,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 58 transitions, 261 flow [2024-10-13 16:36:59,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:36:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 16:36:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 116 transitions. [2024-10-13 16:36:59,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5948717948717949 [2024-10-13 16:36:59,187 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 116 transitions. [2024-10-13 16:36:59,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 58 transitions, 261 flow [2024-10-13 16:36:59,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 58 transitions, 237 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-10-13 16:36:59,191 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-10-13 16:36:59,191 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2024-10-13 16:36:59,192 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-10-13 16:36:59,193 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-10-13 16:36:59,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-10-13 16:36:59,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-10-13 16:36:59,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-10-13 16:36:59,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-10-13 16:36:59,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-10-13 16:36:59,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-10-13 16:36:59,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-10-13 16:36:59,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-13 16:36:59,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-10-13 16:36:59,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-10-13 16:36:59,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-10-13 16:36:59,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-10-13 16:36:59,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-10-13 16:36:59,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-10-13 16:36:59,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-10-13 16:36:59,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-10-13 16:36:59,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:36:59,201 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-13 16:36:59,210 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 16:36:59,210 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:36:59,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:36:59 BasicIcfg [2024-10-13 16:36:59,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:36:59,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:36:59,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:36:59,219 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:36:59,219 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:36:56" (3/4) ... [2024-10-13 16:36:59,221 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:36:59,224 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-13 16:36:59,224 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-13 16:36:59,224 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-13 16:36:59,230 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2024-10-13 16:36:59,231 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-13 16:36:59,231 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 16:36:59,231 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 16:36:59,331 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:36:59,332 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 16:36:59,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:36:59,333 INFO L158 Benchmark]: Toolchain (without parser) took 4750.66ms. Allocated memory was 151.0MB in the beginning and 287.3MB in the end (delta: 136.3MB). Free memory was 94.8MB in the beginning and 249.6MB in the end (delta: -154.8MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. [2024-10-13 16:36:59,333 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 151.0MB. Free memory was 110.7MB in the beginning and 110.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:36:59,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.43ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 69.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-13 16:36:59,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.48ms. Allocated memory is still 151.0MB. Free memory was 69.3MB in the beginning and 66.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:36:59,335 INFO L158 Benchmark]: Boogie Preprocessor took 110.82ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 66.9MB in the beginning and 186.5MB in the end (delta: -119.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-10-13 16:36:59,336 INFO L158 Benchmark]: RCFGBuilder took 906.98ms. Allocated memory is still 216.0MB. Free memory was 186.5MB in the beginning and 115.2MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-10-13 16:36:59,336 INFO L158 Benchmark]: TraceAbstraction took 2960.55ms. Allocated memory was 216.0MB in the beginning and 287.3MB in the end (delta: 71.3MB). Free memory was 115.2MB in the beginning and 83.7MB in the end (delta: 31.5MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2024-10-13 16:36:59,336 INFO L158 Benchmark]: Witness Printer took 113.65ms. Allocated memory is still 287.3MB. Free memory was 83.7MB in the beginning and 249.6MB in the end (delta: -165.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:36:59,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 151.0MB. Free memory was 110.7MB in the beginning and 110.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.43ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 69.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.48ms. Allocated memory is still 151.0MB. Free memory was 69.3MB in the beginning and 66.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.82ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 66.9MB in the beginning and 186.5MB in the end (delta: -119.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * RCFGBuilder took 906.98ms. Allocated memory is still 216.0MB. Free memory was 186.5MB in the beginning and 115.2MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2960.55ms. Allocated memory was 216.0MB in the beginning and 287.3MB in the end (delta: 71.3MB). Free memory was 115.2MB in the beginning and 83.7MB in the end (delta: 31.5MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Witness Printer took 113.65ms. Allocated memory is still 287.3MB. Free memory was 83.7MB in the beginning and 249.6MB in the end (delta: -165.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 256 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 256 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 16:36:59,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE