./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/safe012_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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/safe012_power.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 697ff70a4856546a25a8cc2eb04fc80299855e02086960ffcc9a4790310db5da --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:49:26,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:49:26,973 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:49:26,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:49:26,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:49:27,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:49:27,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:49:27,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:49:27,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:49:27,003 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:49:27,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:49:27,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:49:27,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:49:27,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:49:27,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:49:27,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:49:27,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:49:27,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:49:27,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:49:27,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:49:27,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:49:27,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:49:27,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:49:27,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:49:27,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:49:27,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:49:27,010 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:49:27,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:49:27,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:49:27,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:49:27,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:49:27,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:49:27,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:49:27,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:49:27,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:49:27,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:49:27,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:49:27,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:49:27,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:49:27,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:49:27,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:49:27,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:49:27,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:49:27,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:49:27,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 697ff70a4856546a25a8cc2eb04fc80299855e02086960ffcc9a4790310db5da [2024-11-20 21:49:27,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:49:27,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:49:27,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:49:27,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:49:27,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:49:27,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i [2024-11-20 21:49:28,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:49:28,861 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:49:28,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_power.opt.i [2024-11-20 21:49:28,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe0560c2/caf33fea19254fe691e36da0985ed6a0/FLAG5b11b76b8 [2024-11-20 21:49:28,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe0560c2/caf33fea19254fe691e36da0985ed6a0 [2024-11-20 21:49:28,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:49:28,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:49:28,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:49:28,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:49:28,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:49:28,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:49:28" (1/1) ... [2024-11-20 21:49:28,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650f3535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:28, skipping insertion in model container [2024-11-20 21:49:28,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:49:28" (1/1) ... [2024-11-20 21:49:28,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:49:29,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:49:29,301 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:49:29,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:49:29,389 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:49:29,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29 WrapperNode [2024-11-20 21:49:29,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:49:29,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:49:29,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:49:29,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:49:29,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,444 INFO L138 Inliner]: procedures = 175, calls = 60, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 176 [2024-11-20 21:49:29,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:49:29,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:49:29,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:49:29,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:49:29,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,478 INFO L175 MemorySlicer]: Split 18 memory accesses to 2 slices as follows [2, 16]. 89 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]. [2024-11-20 21:49:29,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:49:29,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:49:29,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:49:29,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:49:29,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (1/1) ... [2024-11-20 21:49:29,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:49:29,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:49:29,542 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) [2024-11-20 21:49:29,549 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 [2024-11-20 21:49:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:49:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:49:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:49:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:49:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 21:49:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:49:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 21:49:29,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 21:49:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 21:49:29,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 21:49:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 21:49:29,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 21:49:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:49:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:49:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 21:49:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:49:29,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:49:29,589 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 21:49:29,704 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:49:29,706 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:49:30,062 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:49:30,062 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:49:30,413 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:49:30,413 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:49:30,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:30 BoogieIcfgContainer [2024-11-20 21:49:30,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:49:30,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:49:30,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:49:30,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:49:30,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:49:28" (1/3) ... [2024-11-20 21:49:30,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a06025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:49:30, skipping insertion in model container [2024-11-20 21:49:30,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:29" (2/3) ... [2024-11-20 21:49:30,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a06025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:49:30, skipping insertion in model container [2024-11-20 21:49:30,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:30" (3/3) ... [2024-11-20 21:49:30,424 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_power.opt.i [2024-11-20 21:49:30,437 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:49:30,437 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 21:49:30,438 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:49:30,483 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 21:49:30,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-11-20 21:49:30,532 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-20 21:49:30,533 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:49:30,534 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 85 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. [2024-11-20 21:49:30,534 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-11-20 21:49:30,536 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-11-20 21:49:30,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:49:30,547 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;@5a00cc44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:49:30,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-20 21:49:30,551 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:49:30,551 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-20 21:49:30,552 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:49:30,552 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:30,552 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:30,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 21:49:30,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:30,564 INFO L85 PathProgramCache]: Analyzing trace with hash 514080340, now seen corresponding path program 1 times [2024-11-20 21:49:30,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:30,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471381186] [2024-11-20 21:49:30,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:30,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:49:30,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:30,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471381186] [2024-11-20 21:49:30,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471381186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:30,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:30,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 21:49:30,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131518551] [2024-11-20 21:49:30,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:30,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:49:30,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:30,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:49:30,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:49:30,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-20 21:49:30,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-11-20 21:49:30,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:30,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-20 21:49:30,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:31,511 INFO L124 PetriNetUnfolderBase]: 2402/3545 cut-off events. [2024-11-20 21:49:31,512 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-20 21:49:31,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7133 conditions, 3545 events. 2402/3545 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 21194 event pairs, 836 based on Foata normal form. 0/2750 useless extension candidates. Maximal degree in co-relation 7122. Up to 3399 conditions per place. [2024-11-20 21:49:31,532 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 39 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2024-11-20 21:49:31,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 205 flow [2024-11-20 21:49:31,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:49:31,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 21:49:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2024-11-20 21:49:31,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7264957264957265 [2024-11-20 21:49:31,542 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 85 transitions. [2024-11-20 21:49:31,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 205 flow [2024-11-20 21:49:31,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 200 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 21:49:31,546 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-11-20 21:49:31,548 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} [2024-11-20 21:49:31,550 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-11-20 21:49:31,550 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-11-20 21:49:31,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-11-20 21:49:31,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:31,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:31,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:49:31,551 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 21:49:31,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:31,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1323335358, now seen corresponding path program 1 times [2024-11-20 21:49:31,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:31,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612606810] [2024-11-20 21:49:31,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:31,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:49:31,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:31,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612606810] [2024-11-20 21:49:31,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612606810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:31,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:31,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:49:31,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068063012] [2024-11-20 21:49:31,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:31,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:49:31,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:31,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:49:31,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:49:31,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-20 21:49:31,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 21:49:31,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:31,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-20 21:49:31,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:32,025 INFO L124 PetriNetUnfolderBase]: 1614/2401 cut-off events. [2024-11-20 21:49:32,025 INFO L125 PetriNetUnfolderBase]: For 217/217 co-relation queries the response was YES. [2024-11-20 21:49:32,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5677 conditions, 2401 events. 1614/2401 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 13535 event pairs, 478 based on Foata normal form. 0/2070 useless extension candidates. Maximal degree in co-relation 5666. Up to 2254 conditions per place. [2024-11-20 21:49:32,035 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 36 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2024-11-20 21:49:32,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 212 flow [2024-11-20 21:49:32,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:49:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:49:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2024-11-20 21:49:32,037 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-11-20 21:49:32,037 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 91 transitions. [2024-11-20 21:49:32,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 212 flow [2024-11-20 21:49:32,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:49:32,039 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-11-20 21:49:32,039 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} [2024-11-20 21:49:32,039 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-11-20 21:49:32,039 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-11-20 21:49:32,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 21:49:32,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:32,040 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:32,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:49:32,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 21:49:32,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1323335359, now seen corresponding path program 1 times [2024-11-20 21:49:32,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:32,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118407034] [2024-11-20 21:49:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:49:32,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:32,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118407034] [2024-11-20 21:49:32,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118407034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:32,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:32,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:49:32,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132300718] [2024-11-20 21:49:32,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:32,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:49:32,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:32,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:49:32,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:49:32,115 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-20 21:49:32,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 21:49:32,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:32,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-20 21:49:32,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:32,431 INFO L124 PetriNetUnfolderBase]: 1126/1701 cut-off events. [2024-11-20 21:49:32,432 INFO L125 PetriNetUnfolderBase]: For 398/398 co-relation queries the response was YES. [2024-11-20 21:49:32,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3950 conditions, 1701 events. 1126/1701 cut-off events. For 398/398 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8933 event pairs, 128 based on Foata normal form. 0/1618 useless extension candidates. Maximal degree in co-relation 3938. Up to 985 conditions per place. [2024-11-20 21:49:32,440 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 47 selfloop transitions, 7 changer transitions 3/66 dead transitions. [2024-11-20 21:49:32,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 66 transitions, 292 flow [2024-11-20 21:49:32,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:49:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:49:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-20 21:49:32,442 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6923076923076923 [2024-11-20 21:49:32,442 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 108 transitions. [2024-11-20 21:49:32,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 66 transitions, 292 flow [2024-11-20 21:49:32,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 66 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 21:49:32,444 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-11-20 21:49:32,444 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} [2024-11-20 21:49:32,445 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-11-20 21:49:32,445 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-11-20 21:49:32,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 21:49:32,446 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:32,446 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] [2024-11-20 21:49:32,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:49:32,446 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-20 21:49:32,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash 752965108, now seen corresponding path program 1 times [2024-11-20 21:49:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112321221] [2024-11-20 21:49:32,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:32,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:49:32,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:32,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112321221] [2024-11-20 21:49:32,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112321221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:32,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:32,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:49:32,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518556445] [2024-11-20 21:49:32,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:32,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:49:32,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:32,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:49:32,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:49:32,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-20 21:49:32,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-11-20 21:49:32,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:32,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-20 21:49:32,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:32,965 INFO L124 PetriNetUnfolderBase]: 858/1313 cut-off events. [2024-11-20 21:49:32,965 INFO L125 PetriNetUnfolderBase]: For 933/933 co-relation queries the response was YES. [2024-11-20 21:49:32,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3483 conditions, 1313 events. 858/1313 cut-off events. For 933/933 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 6947 event pairs, 68 based on Foata normal form. 72/1374 useless extension candidates. Maximal degree in co-relation 3470. Up to 596 conditions per place. [2024-11-20 21:49:32,969 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions. [2024-11-20 21:49:32,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 60 transitions, 271 flow [2024-11-20 21:49:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:49:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 21:49:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions. [2024-11-20 21:49:32,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5846153846153846 [2024-11-20 21:49:32,972 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 114 transitions. [2024-11-20 21:49:32,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 60 transitions, 271 flow [2024-11-20 21:49:32,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 60 transitions, 247 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-20 21:49:32,975 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-11-20 21:49:32,975 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} [2024-11-20 21:49:32,976 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-11-20 21:49:32,977 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-11-20 21:49:32,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-11-20 21:49:32,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-20 21:49:32,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-20 21:49:32,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-20 21:49:32,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-20 21:49:32,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-20 21:49:32,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-20 21:49:32,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-20 21:49:32,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-20 21:49:32,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-20 21:49:32,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-20 21:49:32,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-20 21:49:32,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-20 21:49:32,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-20 21:49:32,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-20 21:49:32,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-20 21:49:32,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:49:32,983 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 21:49:32,988 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:49:32,989 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:49:32,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:49:32 BasicIcfg [2024-11-20 21:49:32,997 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:49:32,998 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:49:32,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:49:32,999 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:49:32,999 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:30" (3/4) ... [2024-11-20 21:49:33,001 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:49:33,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 21:49:33,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 21:49:33,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 21:49:33,007 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2024-11-20 21:49:33,010 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-20 21:49:33,011 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 21:49:33,011 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 21:49:33,097 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:49:33,099 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:49:33,099 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:49:33,100 INFO L158 Benchmark]: Toolchain (without parser) took 4205.90ms. Allocated memory was 125.8MB in the beginning and 423.6MB in the end (delta: 297.8MB). Free memory was 53.6MB in the beginning and 281.1MB in the end (delta: -227.5MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2024-11-20 21:49:33,100 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 125.8MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:49:33,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.64ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 53.6MB in the beginning and 145.5MB in the end (delta: -91.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 21:49:33,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.52ms. Allocated memory is still 192.9MB. Free memory was 145.5MB in the beginning and 143.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:49:33,100 INFO L158 Benchmark]: Boogie Preprocessor took 58.13ms. Allocated memory is still 192.9MB. Free memory was 142.4MB in the beginning and 138.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 21:49:33,100 INFO L158 Benchmark]: RCFGBuilder took 909.67ms. Allocated memory is still 192.9MB. Free memory was 138.2MB in the beginning and 144.2MB in the end (delta: -6.0MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-11-20 21:49:33,101 INFO L158 Benchmark]: TraceAbstraction took 2582.65ms. Allocated memory was 192.9MB in the beginning and 423.6MB in the end (delta: 230.7MB). Free memory was 143.2MB in the beginning and 286.4MB in the end (delta: -143.2MB). Peak memory consumption was 215.4MB. Max. memory is 16.1GB. [2024-11-20 21:49:33,101 INFO L158 Benchmark]: Witness Printer took 101.13ms. Allocated memory is still 423.6MB. Free memory was 286.4MB in the beginning and 281.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 21:49:33,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 125.8MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.64ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 53.6MB in the beginning and 145.5MB in the end (delta: -91.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.52ms. Allocated memory is still 192.9MB. Free memory was 145.5MB in the beginning and 143.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.13ms. Allocated memory is still 192.9MB. Free memory was 142.4MB in the beginning and 138.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 909.67ms. Allocated memory is still 192.9MB. Free memory was 138.2MB in the beginning and 144.2MB in the end (delta: -6.0MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2582.65ms. Allocated memory was 192.9MB in the beginning and 423.6MB in the end (delta: 230.7MB). Free memory was 143.2MB in the beginning and 286.4MB in the end (delta: -143.2MB). Peak memory consumption was 215.4MB. Max. memory is 16.1GB. * Witness Printer took 101.13ms. Allocated memory is still 423.6MB. Free memory was 286.4MB in the beginning and 281.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 770]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 770]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: 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: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 268 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 268 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, 0.4s 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! [2024-11-20 21:49:33,152 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