./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe017_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/pthread-wmm/safe017_tso.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 f42e8f5213d7b87505465b65029831bd75698bf771428502e6718d43723a660f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:53:36,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:53:36,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:53:36,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:53:36,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:53:36,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:53:36,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:53:36,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:53:36,257 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:53:36,258 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:53:36,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:53:36,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:53:36,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:53:36,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:53:36,260 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:53:36,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:53:36,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:53:36,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:53:36,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:53:36,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:53:36,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:53:36,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:53:36,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:53:36,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:53:36,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:53:36,267 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:53:36,267 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:53:36,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:53:36,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:53:36,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:53:36,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:53:36,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:53:36,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:53:36,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:53:36,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:53:36,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:53:36,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:53:36,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:53:36,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:53:36,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:53:36,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:53:36,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:53:36,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:53:36,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:53:36,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f42e8f5213d7b87505465b65029831bd75698bf771428502e6718d43723a660f [2024-11-19 13:53:36,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:53:36,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:53:36,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:53:36,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:53:36,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:53:36,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe017_tso.i [2024-11-19 13:53:38,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:53:38,299 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:53:38,300 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe017_tso.i [2024-11-19 13:53:38,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82266fb77/08799fff3c3e4d10a60cb8e09c39c098/FLAG17075c719 [2024-11-19 13:53:38,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82266fb77/08799fff3c3e4d10a60cb8e09c39c098 [2024-11-19 13:53:38,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:53:38,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:53:38,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:53:38,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:53:38,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:53:38,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f58e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38, skipping insertion in model container [2024-11-19 13:53:38,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:53:38,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:53:38,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:53:38,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:53:38,878 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:53:38,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38 WrapperNode [2024-11-19 13:53:38,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:53:38,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:53:38,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:53:38,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:53:38,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,925 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-11-19 13:53:38,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:53:38,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:53:38,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:53:38,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:53:38,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,967 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 13:53:38,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:38,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:53:38,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:53:38,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:53:38,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:53:38,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (1/1) ... [2024-11-19 13:53:39,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:53:39,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:53:39,043 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) [2024-11-19 13:53:39,046 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 [2024-11-19 13:53:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:53:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:53:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 13:53:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 13:53:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 13:53:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 13:53:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 13:53:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 13:53:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:53:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:53:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:53:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:53:39,098 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:53:39,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:53:39,246 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:53:39,424 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:53:39,424 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:53:39,571 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:53:39,571 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:53:39,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:39 BoogieIcfgContainer [2024-11-19 13:53:39,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:53:39,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:53:39,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:53:39,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:53:39,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:53:38" (1/3) ... [2024-11-19 13:53:39,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e320f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:53:39, skipping insertion in model container [2024-11-19 13:53:39,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:38" (2/3) ... [2024-11-19 13:53:39,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e320f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:53:39, skipping insertion in model container [2024-11-19 13:53:39,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:39" (3/3) ... [2024-11-19 13:53:39,585 INFO L112 eAbstractionObserver]: Analyzing ICFG safe017_tso.i [2024-11-19 13:53:39,605 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:53:39,606 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 13:53:39,606 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:53:39,674 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 13:53:39,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 38 transitions, 88 flow [2024-11-19 13:53:39,753 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2024-11-19 13:53:39,753 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:53:39,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 88 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-19 13:53:39,755 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 38 transitions, 88 flow [2024-11-19 13:53:39,760 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 35 transitions, 79 flow [2024-11-19 13:53:39,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:53:39,776 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;@10c4b01d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:53:39,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-19 13:53:39,791 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:53:39,791 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-19 13:53:39,791 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:53:39,791 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:39,792 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:39,793 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:39,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:39,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1524987074, now seen corresponding path program 1 times [2024-11-19 13:53:39,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:39,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326643227] [2024-11-19 13:53:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:40,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:40,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326643227] [2024-11-19 13:53:40,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326643227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:40,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:40,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 13:53:40,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532470728] [2024-11-19 13:53:40,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:40,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:53:40,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:40,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:53:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:53:40,115 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38 [2024-11-19 13:53:40,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-19 13:53:40,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:40,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38 [2024-11-19 13:53:40,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:40,434 INFO L124 PetriNetUnfolderBase]: 842/1293 cut-off events. [2024-11-19 13:53:40,435 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-19 13:53:40,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2619 conditions, 1293 events. 842/1293 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 7167 event pairs, 420 based on Foata normal form. 0/885 useless extension candidates. Maximal degree in co-relation 2608. Up to 1271 conditions per place. [2024-11-19 13:53:40,456 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 27 selfloop transitions, 4 changer transitions 0/45 dead transitions. [2024-11-19 13:53:40,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 45 transitions, 167 flow [2024-11-19 13:53:40,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:53:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 13:53:40,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions. [2024-11-19 13:53:40,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7719298245614035 [2024-11-19 13:53:40,473 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 79 flow. Second operand 3 states and 88 transitions. [2024-11-19 13:53:40,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 45 transitions, 167 flow [2024-11-19 13:53:40,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 45 transitions, 162 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:53:40,480 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 112 flow [2024-11-19 13:53:40,483 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2024-11-19 13:53:40,488 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places. [2024-11-19 13:53:40,490 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 112 flow [2024-11-19 13:53:40,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-19 13:53:40,491 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:40,491 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:40,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:53:40,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:40,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:40,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1404136477, now seen corresponding path program 1 times [2024-11-19 13:53:40,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:40,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505485279] [2024-11-19 13:53:40,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:40,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:40,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:40,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505485279] [2024-11-19 13:53:40,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505485279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:40,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:40,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:53:40,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861852395] [2024-11-19 13:53:40,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:40,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:53:40,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:40,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:53:40,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:53:40,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38 [2024-11-19 13:53:40,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-19 13:53:40,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:40,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38 [2024-11-19 13:53:40,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:40,762 INFO L124 PetriNetUnfolderBase]: 476/751 cut-off events. [2024-11-19 13:53:40,762 INFO L125 PetriNetUnfolderBase]: For 87/91 co-relation queries the response was YES. [2024-11-19 13:53:40,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1867 conditions, 751 events. 476/751 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 3715 event pairs, 212 based on Foata normal form. 2/593 useless extension candidates. Maximal degree in co-relation 1856. Up to 728 conditions per place. [2024-11-19 13:53:40,770 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 24 selfloop transitions, 4 changer transitions 0/42 dead transitions. [2024-11-19 13:53:40,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 42 transitions, 174 flow [2024-11-19 13:53:40,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:53:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:53:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 99 transitions. [2024-11-19 13:53:40,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6513157894736842 [2024-11-19 13:53:40,773 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 112 flow. Second operand 4 states and 99 transitions. [2024-11-19 13:53:40,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 42 transitions, 174 flow [2024-11-19 13:53:40,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 42 transitions, 170 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:53:40,775 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 104 flow [2024-11-19 13:53:40,775 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=104, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2024-11-19 13:53:40,778 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, -1 predicate places. [2024-11-19 13:53:40,778 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 104 flow [2024-11-19 13:53:40,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-19 13:53:40,779 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:40,780 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:40,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:53:40,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:40,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash -793082956, now seen corresponding path program 1 times [2024-11-19 13:53:40,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:40,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986715935] [2024-11-19 13:53:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:40,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:40,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:40,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986715935] [2024-11-19 13:53:40,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986715935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:40,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:40,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:53:40,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033149020] [2024-11-19 13:53:40,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:40,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:53:40,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:40,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:53:40,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:53:40,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38 [2024-11-19 13:53:40,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-19 13:53:40,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:40,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38 [2024-11-19 13:53:40,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:41,065 INFO L124 PetriNetUnfolderBase]: 302/497 cut-off events. [2024-11-19 13:53:41,066 INFO L125 PetriNetUnfolderBase]: For 107/111 co-relation queries the response was YES. [2024-11-19 13:53:41,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 497 events. 302/497 cut-off events. For 107/111 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2206 event pairs, 40 based on Foata normal form. 2/443 useless extension candidates. Maximal degree in co-relation 1188. Up to 409 conditions per place. [2024-11-19 13:53:41,070 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 29 selfloop transitions, 7 changer transitions 3/53 dead transitions. [2024-11-19 13:53:41,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 53 transitions, 230 flow [2024-11-19 13:53:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:53:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:53:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 110 transitions. [2024-11-19 13:53:41,076 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7236842105263158 [2024-11-19 13:53:41,076 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 104 flow. Second operand 4 states and 110 transitions. [2024-11-19 13:53:41,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 53 transitions, 230 flow [2024-11-19 13:53:41,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 53 transitions, 225 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 13:53:41,078 INFO L231 Difference]: Finished difference. Result has 46 places, 35 transitions, 125 flow [2024-11-19 13:53:41,084 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=125, PETRI_PLACES=46, PETRI_TRANSITIONS=35} [2024-11-19 13:53:41,085 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2024-11-19 13:53:41,085 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 125 flow [2024-11-19 13:53:41,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-19 13:53:41,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:41,086 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] [2024-11-19 13:53:41,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:53:41,086 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:41,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2060250024, now seen corresponding path program 1 times [2024-11-19 13:53:41,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:41,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244099247] [2024-11-19 13:53:41,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:41,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:41,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:41,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244099247] [2024-11-19 13:53:41,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244099247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:41,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:41,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:53:41,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339592138] [2024-11-19 13:53:41,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:41,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:53:41,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:41,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:53:41,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:53:41,265 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38 [2024-11-19 13:53:41,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-19 13:53:41,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:41,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38 [2024-11-19 13:53:41,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:41,344 INFO L124 PetriNetUnfolderBase]: 130/245 cut-off events. [2024-11-19 13:53:41,344 INFO L125 PetriNetUnfolderBase]: For 270/278 co-relation queries the response was YES. [2024-11-19 13:53:41,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 245 events. 130/245 cut-off events. For 270/278 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1050 event pairs, 0 based on Foata normal form. 52/289 useless extension candidates. Maximal degree in co-relation 718. Up to 156 conditions per place. [2024-11-19 13:53:41,345 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions. [2024-11-19 13:53:41,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 47 transitions, 209 flow [2024-11-19 13:53:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:53:41,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 13:53:41,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 121 transitions. [2024-11-19 13:53:41,347 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6368421052631579 [2024-11-19 13:53:41,347 INFO L175 Difference]: Start difference. First operand has 46 places, 35 transitions, 125 flow. Second operand 5 states and 121 transitions. [2024-11-19 13:53:41,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 47 transitions, 209 flow [2024-11-19 13:53:41,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 47 transitions, 185 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-19 13:53:41,349 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2024-11-19 13:53:41,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2024-11-19 13:53:41,351 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, -2 predicate places. [2024-11-19 13:53:41,351 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow [2024-11-19 13:53:41,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-19 13:53:41,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-19 13:53:41,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-19 13:53:41,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-19 13:53:41,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-19 13:53:41,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-19 13:53:41,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-19 13:53:41,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-19 13:53:41,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-19 13:53:41,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-19 13:53:41,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-19 13:53:41,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-19 13:53:41,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-19 13:53:41,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-19 13:53:41,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-19 13:53:41,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-19 13:53:41,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:53:41,356 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 13:53:41,361 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:53:41,361 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:53:41,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:53:41 BasicIcfg [2024-11-19 13:53:41,368 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:53:41,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:53:41,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:53:41,370 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:53:41,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:39" (3/4) ... [2024-11-19 13:53:41,372 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:53:41,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-19 13:53:41,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-19 13:53:41,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-19 13:53:41,379 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-19 13:53:41,380 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 13:53:41,380 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 13:53:41,381 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 13:53:41,464 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:53:41,466 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:53:41,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:53:41,467 INFO L158 Benchmark]: Toolchain (without parser) took 3134.49ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 110.2MB in the beginning and 158.2MB in the end (delta: -48.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-19 13:53:41,467 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 167.8MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:53:41,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.93ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 87.5MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 13:53:41,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.10ms. Allocated memory is still 167.8MB. Free memory was 87.5MB in the beginning and 85.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:53:41,468 INFO L158 Benchmark]: Boogie Preprocessor took 65.27ms. Allocated memory is still 167.8MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:53:41,469 INFO L158 Benchmark]: RCFGBuilder took 579.56ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 82.9MB in the beginning and 198.5MB in the end (delta: -115.6MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-19 13:53:41,469 INFO L158 Benchmark]: TraceAbstraction took 1793.86ms. Allocated memory is still 234.9MB. Free memory was 197.5MB in the beginning and 162.4MB in the end (delta: 35.1MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-11-19 13:53:41,469 INFO L158 Benchmark]: Witness Printer took 96.65ms. Allocated memory is still 234.9MB. Free memory was 162.4MB in the beginning and 158.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:53:41,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 167.8MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.93ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 87.5MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.10ms. Allocated memory is still 167.8MB. Free memory was 87.5MB in the beginning and 85.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.27ms. Allocated memory is still 167.8MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.56ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 82.9MB in the beginning and 198.5MB in the end (delta: -115.6MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1793.86ms. Allocated memory is still 234.9MB. Free memory was 197.5MB in the beginning and 162.4MB in the end (delta: 35.1MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 96.65ms. Allocated memory is still 234.9MB. Free memory was 162.4MB in the beginning and 158.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 729]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 729]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 741]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 741]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: 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, 68 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1 mSDtfsCounter, 202 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=125occurred 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, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 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! [2024-11-19 13:53:41,500 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