./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_tso.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_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 8ab6224550afdc7bd147a853b67470808fdf25e83f86b697677572dc7a8a62dd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:49:30,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:49:30,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:49:30,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:49:30,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:49:30,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:49:30,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:49:30,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:49:30,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:49:30,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:49:30,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:49:30,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:49:30,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:49:30,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:49:30,813 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:49:30,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:49:30,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:49:30,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:49:30,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:49:30,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:49:30,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:49:30,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:49:30,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:49:30,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:49:30,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:49:30,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:49:30,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:49:30,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:49:30,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:49:30,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:49:30,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:49:30,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:49:30,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:49:30,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:49:30,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:49:30,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:49:30,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:49:30,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:49:30,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:49:30,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:49:30,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:49:30,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:49:30,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:49:30,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:49:30,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ab6224550afdc7bd147a853b67470808fdf25e83f86b697677572dc7a8a62dd [2024-11-20 21:49:31,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:49:31,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:49:31,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:49:31,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:49:31,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:49:31,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_tso.i [2024-11-20 21:49:32,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:49:32,705 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:49:32,705 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_tso.i [2024-11-20 21:49:32,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10fbcbacb/bd627a9a928a411b82ebc95102ddc949/FLAGdc6812423 [2024-11-20 21:49:33,042 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10fbcbacb/bd627a9a928a411b82ebc95102ddc949 [2024-11-20 21:49:33,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:49:33,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:49:33,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:49:33,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:49:33,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:49:33,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce289b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33, skipping insertion in model container [2024-11-20 21:49:33,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:49:33,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:49:33,551 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:49:33,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:49:33,668 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:49:33,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33 WrapperNode [2024-11-20 21:49:33,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:49:33,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:49:33,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:49:33,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:49:33,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,712 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-20 21:49:33,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:49:33,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:49:33,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:49:33,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:49:33,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,741 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]. [2024-11-20 21:49:33,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:49:33,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:49:33,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:49:33,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:49:33,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (1/1) ... [2024-11-20 21:49:33,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:49:33,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:49:33,796 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 21:49:33,803 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 21:49:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 21:49:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:49:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 21:49:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 21:49:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 21:49:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 21:49:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 21:49:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 21:49:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:49:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 21:49:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:49:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:49:33,851 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 21:49:33,955 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:49:33,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:49:34,146 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:49:34,146 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:49:34,279 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:49:34,279 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:49:34,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:34 BoogieIcfgContainer [2024-11-20 21:49:34,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:49:34,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:49:34,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:49:34,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:49:34,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:49:33" (1/3) ... [2024-11-20 21:49:34,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f7733c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:49:34, skipping insertion in model container [2024-11-20 21:49:34,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:33" (2/3) ... [2024-11-20 21:49:34,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f7733c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:49:34, skipping insertion in model container [2024-11-20 21:49:34,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:34" (3/3) ... [2024-11-20 21:49:34,293 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2024-11-20 21:49:34,309 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:49:34,310 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 21:49:34,310 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:49:34,366 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 21:49:34,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-11-20 21:49:34,424 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-20 21:49:34,424 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:49:34,431 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 80 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 21:49:34,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-11-20 21:49:34,437 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-11-20 21:49:34,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:49:34,461 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;@55dfe107, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:49:34,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-20 21:49:34,469 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:49:34,471 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-20 21:49:34,471 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:49:34,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:34,472 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:34,472 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 21:49:34,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:34,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1559921440, now seen corresponding path program 1 times [2024-11-20 21:49:34,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:34,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206457916] [2024-11-20 21:49:34,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:34,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:34,742 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 21:49:34,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:34,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206457916] [2024-11-20 21:49:34,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206457916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:34,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:34,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 21:49:34,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833909860] [2024-11-20 21:49:34,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:34,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:49:34,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:34,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:49:34,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:49:34,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2024-11-20 21:49:34,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 21:49:34,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:34,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2024-11-20 21:49:34,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:35,148 INFO L124 PetriNetUnfolderBase]: 842/1294 cut-off events. [2024-11-20 21:49:35,149 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-20 21:49:35,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2620 conditions, 1294 events. 842/1294 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 7115 event pairs, 420 based on Foata normal form. 0/886 useless extension candidates. Maximal degree in co-relation 2609. Up to 1271 conditions per place. [2024-11-20 21:49:35,170 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 27 selfloop transitions, 4 changer transitions 0/46 dead transitions. [2024-11-20 21:49:35,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 46 transitions, 169 flow [2024-11-20 21:49:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:49:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 21:49:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-11-20 21:49:35,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2024-11-20 21:49:35,186 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 91 transitions. [2024-11-20 21:49:35,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 46 transitions, 169 flow [2024-11-20 21:49:35,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 164 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 21:49:35,193 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-11-20 21:49:35,196 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 21:49:35,200 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-11-20 21:49:35,202 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-11-20 21:49:35,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 21:49:35,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:35,203 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:35,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:49:35,204 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 21:49:35,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:35,205 INFO L85 PathProgramCache]: Analyzing trace with hash 353391355, now seen corresponding path program 1 times [2024-11-20 21:49:35,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:35,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284462328] [2024-11-20 21:49:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:35,322 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 21:49:35,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:35,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284462328] [2024-11-20 21:49:35,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284462328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:35,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:35,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:49:35,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421947649] [2024-11-20 21:49:35,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:35,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:49:35,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:35,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:49:35,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:49:35,334 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2024-11-20 21:49:35,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 21:49:35,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:35,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2024-11-20 21:49:35,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:35,450 INFO L124 PetriNetUnfolderBase]: 476/752 cut-off events. [2024-11-20 21:49:35,451 INFO L125 PetriNetUnfolderBase]: For 88/88 co-relation queries the response was YES. [2024-11-20 21:49:35,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1868 conditions, 752 events. 476/752 cut-off events. For 88/88 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 3740 event pairs, 212 based on Foata normal form. 0/592 useless extension candidates. Maximal degree in co-relation 1857. Up to 728 conditions per place. [2024-11-20 21:49:35,457 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 24 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2024-11-20 21:49:35,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 43 transitions, 176 flow [2024-11-20 21:49:35,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:49:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:49:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2024-11-20 21:49:35,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6602564102564102 [2024-11-20 21:49:35,459 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 103 transitions. [2024-11-20 21:49:35,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 43 transitions, 176 flow [2024-11-20 21:49:35,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 43 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:49:35,460 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-11-20 21:49:35,460 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 21:49:35,461 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-11-20 21:49:35,461 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-11-20 21:49:35,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 21:49:35,461 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:35,461 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:35,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:49:35,462 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 21:49:35,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:35,462 INFO L85 PathProgramCache]: Analyzing trace with hash -183954760, now seen corresponding path program 1 times [2024-11-20 21:49:35,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:35,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009773330] [2024-11-20 21:49:35,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:35,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:35,522 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 21:49:35,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:35,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009773330] [2024-11-20 21:49:35,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009773330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:35,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:35,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:49:35,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557554116] [2024-11-20 21:49:35,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:35,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:49:35,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:35,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:49:35,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:49:35,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2024-11-20 21:49:35,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 21:49:35,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:35,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2024-11-20 21:49:35,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:35,672 INFO L124 PetriNetUnfolderBase]: 302/498 cut-off events. [2024-11-20 21:49:35,673 INFO L125 PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES. [2024-11-20 21:49:35,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1201 conditions, 498 events. 302/498 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2233 event pairs, 40 based on Foata normal form. 0/442 useless extension candidates. Maximal degree in co-relation 1189. Up to 409 conditions per place. [2024-11-20 21:49:35,677 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 29 selfloop transitions, 7 changer transitions 3/54 dead transitions. [2024-11-20 21:49:35,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 232 flow [2024-11-20 21:49:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:49:35,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:49:35,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2024-11-20 21:49:35,682 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7307692307692307 [2024-11-20 21:49:35,682 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 114 transitions. [2024-11-20 21:49:35,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 232 flow [2024-11-20 21:49:35,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 54 transitions, 227 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 21:49:35,684 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-11-20 21:49:35,686 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 21:49:35,687 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-11-20 21:49:35,688 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-11-20 21:49:35,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 21:49:35,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:35,689 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 21:49:35,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:49:35,689 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 21:49:35,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:35,690 INFO L85 PathProgramCache]: Analyzing trace with hash -156558938, now seen corresponding path program 1 times [2024-11-20 21:49:35,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:35,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757014353] [2024-11-20 21:49:35,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:35,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:35,836 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 21:49:35,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:35,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757014353] [2024-11-20 21:49:35,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757014353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:35,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:35,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:49:35,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503515558] [2024-11-20 21:49:35,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:35,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:49:35,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:35,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:49:35,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:49:35,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2024-11-20 21:49:35,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 21:49:35,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:35,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2024-11-20 21:49:35,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:35,920 INFO L124 PetriNetUnfolderBase]: 130/246 cut-off events. [2024-11-20 21:49:35,921 INFO L125 PetriNetUnfolderBase]: For 264/264 co-relation queries the response was YES. [2024-11-20 21:49:35,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 246 events. 130/246 cut-off events. For 264/264 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1045 event pairs, 0 based on Foata normal form. 48/286 useless extension candidates. Maximal degree in co-relation 719. Up to 156 conditions per place. [2024-11-20 21:49:35,922 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-11-20 21:49:35,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 211 flow [2024-11-20 21:49:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:49:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 21:49:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2024-11-20 21:49:35,925 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6461538461538462 [2024-11-20 21:49:35,925 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 126 transitions. [2024-11-20 21:49:35,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 211 flow [2024-11-20 21:49:35,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 187 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-20 21:49:35,930 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-11-20 21:49:35,930 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 21:49:35,931 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-11-20 21:49:35,931 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-11-20 21:49:35,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 21:49:35,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-20 21:49:35,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-20 21:49:35,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-20 21:49:35,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-20 21:49:35,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-20 21:49:35,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-20 21:49:35,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-20 21:49:35,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-20 21:49:35,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-20 21:49:35,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-20 21:49:35,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-20 21:49:35,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-20 21:49:35,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-20 21:49:35,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-20 21:49:35,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-20 21:49:35,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:49:35,940 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 21:49:35,947 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:49:35,947 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:49:35,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:49:35 BasicIcfg [2024-11-20 21:49:35,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:49:35,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:49:35,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:49:35,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:49:35,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:34" (3/4) ... [2024-11-20 21:49:35,961 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:49:35,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 21:49:35,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 21:49:35,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 21:49:35,969 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-20 21:49:35,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-20 21:49:35,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 21:49:35,971 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 21:49:36,056 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:49:36,056 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:49:36,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:49:36,057 INFO L158 Benchmark]: Toolchain (without parser) took 3010.93ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 76.9MB in the beginning and 123.8MB in the end (delta: -46.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-20 21:49:36,058 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:49:36,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.58ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 76.6MB in the beginning and 175.7MB in the end (delta: -99.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-20 21:49:36,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.72ms. Allocated memory is still 211.8MB. Free memory was 174.6MB in the beginning and 173.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:49:36,059 INFO L158 Benchmark]: Boogie Preprocessor took 46.80ms. Allocated memory is still 211.8MB. Free memory was 173.6MB in the beginning and 171.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:49:36,062 INFO L158 Benchmark]: RCFGBuilder took 519.11ms. Allocated memory is still 211.8MB. Free memory was 170.4MB in the beginning and 147.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-20 21:49:36,063 INFO L158 Benchmark]: TraceAbstraction took 1671.70ms. Allocated memory is still 211.8MB. Free memory was 146.3MB in the beginning and 128.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-20 21:49:36,063 INFO L158 Benchmark]: Witness Printer took 98.80ms. Allocated memory is still 211.8MB. Free memory was 128.0MB in the beginning and 123.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 21:49:36,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.58ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 76.6MB in the beginning and 175.7MB in the end (delta: -99.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.72ms. Allocated memory is still 211.8MB. Free memory was 174.6MB in the beginning and 173.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.80ms. Allocated memory is still 211.8MB. Free memory was 173.6MB in the beginning and 171.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.11ms. Allocated memory is still 211.8MB. Free memory was 170.4MB in the beginning and 147.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1671.70ms. Allocated memory is still 211.8MB. Free memory was 146.3MB in the beginning and 128.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 98.80ms. Allocated memory is still 211.8MB. Free memory was 128.0MB in the beginning and 123.8MB 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: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: 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: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 196 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 21:49:36,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE