./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe023_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/safe023_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 b87483e693fd72a28f6c7edd484e610e6e0dbb17679c8092f6f9c9cd35d4acca --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:42:09,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:42:09,634 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:42:09,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:42:09,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:42:09,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:42:09,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:42:09,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:42:09,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:42:09,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:42:09,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:42:09,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:42:09,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:42:09,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:42:09,665 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:42:09,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:42:09,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:42:09,665 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:42:09,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:42:09,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:42:09,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:42:09,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:42:09,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:42:09,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:42:09,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:42:09,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:42:09,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:42:09,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:42:09,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:42:09,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:42:09,671 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:42:09,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:42:09,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:42:09,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:42:09,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:42:09,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:42:09,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:42:09,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:42:09,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:42:09,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:42:09,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:42:09,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:42:09,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:42:09,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:42:09,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b87483e693fd72a28f6c7edd484e610e6e0dbb17679c8092f6f9c9cd35d4acca [2024-11-17 07:42:09,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:42:09,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:42:09,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:42:09,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:42:09,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:42:09,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe023_tso.i [2024-11-17 07:42:11,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:42:11,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:42:11,515 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe023_tso.i [2024-11-17 07:42:11,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b585e8f3b/17180acd52304b0e912379b3dc394996/FLAGac5bf1fad [2024-11-17 07:42:11,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b585e8f3b/17180acd52304b0e912379b3dc394996 [2024-11-17 07:42:11,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:42:11,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:42:11,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:42:11,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:42:11,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:42:11,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:42:11" (1/1) ... [2024-11-17 07:42:11,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ec9345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:11, skipping insertion in model container [2024-11-17 07:42:11,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:42:11" (1/1) ... [2024-11-17 07:42:11,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:42:11,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:42:11,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:42:11,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:42:12,006 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:42:12,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12 WrapperNode [2024-11-17 07:42:12,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:42:12,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:42:12,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:42:12,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:42:12,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,036 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-17 07:42:12,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:42:12,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:42:12,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:42:12,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:42:12,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,057 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]. [2024-11-17 07:42:12,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,061 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:42:12,065 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:42:12,065 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:42:12,065 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:42:12,065 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (1/1) ... [2024-11-17 07:42:12,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:42:12,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:42:12,089 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) [2024-11-17 07:42:12,091 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 [2024-11-17 07:42:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 07:42:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:42:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 07:42:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 07:42:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 07:42:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 07:42:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 07:42:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 07:42:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:42:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 07:42:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:42:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:42:12,124 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 07:42:12,233 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:42:12,234 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:42:12,439 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 07:42:12,439 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:42:12,515 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:42:12,515 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:42:12,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:42:12 BoogieIcfgContainer [2024-11-17 07:42:12,519 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:42:12,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:42:12,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:42:12,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:42:12,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:42:11" (1/3) ... [2024-11-17 07:42:12,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ceb7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:42:12, skipping insertion in model container [2024-11-17 07:42:12,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:42:12" (2/3) ... [2024-11-17 07:42:12,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ceb7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:42:12, skipping insertion in model container [2024-11-17 07:42:12,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:42:12" (3/3) ... [2024-11-17 07:42:12,527 INFO L112 eAbstractionObserver]: Analyzing ICFG safe023_tso.i [2024-11-17 07:42:12,540 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:42:12,540 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 07:42:12,540 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 07:42:12,592 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 07:42:12,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 40 transitions, 92 flow [2024-11-17 07:42:12,670 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-11-17 07:42:12,672 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:42:12,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 37 events. 0/37 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. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-17 07:42:12,675 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 40 transitions, 92 flow [2024-11-17 07:42:12,679 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 37 transitions, 83 flow [2024-11-17 07:42:12,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:42:12,697 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;@6427162e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:42:12,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-17 07:42:12,704 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 07:42:12,705 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2024-11-17 07:42:12,705 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:42:12,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:42:12,706 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:42:12,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:42:12,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:42:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash -788868442, now seen corresponding path program 1 times [2024-11-17 07:42:12,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:42:12,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104273489] [2024-11-17 07:42:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:42:12,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:42:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:42:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:42:12,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:42:12,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104273489] [2024-11-17 07:42:12,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104273489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:42:12,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:42:12,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 07:42:12,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473279485] [2024-11-17 07:42:12,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:42:12,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:42:12,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:42:13,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:42:13,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:42:13,011 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2024-11-17 07:42:13,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-17 07:42:13,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:42:13,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2024-11-17 07:42:13,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:42:13,882 INFO L124 PetriNetUnfolderBase]: 6803/9757 cut-off events. [2024-11-17 07:42:13,883 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-11-17 07:42:13,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19624 conditions, 9757 events. 6803/9757 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 52958 event pairs, 2425 based on Foata normal form. 0/8494 useless extension candidates. Maximal degree in co-relation 19613. Up to 7857 conditions per place. [2024-11-17 07:42:13,967 INFO L140 encePairwiseOnDemand]: 30/40 looper letters, 53 selfloop transitions, 4 changer transitions 0/60 dead transitions. [2024-11-17 07:42:13,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 60 transitions, 249 flow [2024-11-17 07:42:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:42:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 07:42:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2024-11-17 07:42:13,979 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.675 [2024-11-17 07:42:13,981 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 83 flow. Second operand 3 states and 81 transitions. [2024-11-17 07:42:13,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 60 transitions, 249 flow [2024-11-17 07:42:13,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 60 transitions, 244 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-17 07:42:13,988 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 116 flow [2024-11-17 07:42:13,990 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2024-11-17 07:42:13,993 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 0 predicate places. [2024-11-17 07:42:13,994 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 116 flow [2024-11-17 07:42:13,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-17 07:42:13,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:42:13,995 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:42:13,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:42:13,995 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:42:13,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:42:13,996 INFO L85 PathProgramCache]: Analyzing trace with hash -618754177, now seen corresponding path program 1 times [2024-11-17 07:42:13,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:42:13,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071775388] [2024-11-17 07:42:13,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:42:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:42:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:42:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:42:14,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:42:14,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071775388] [2024-11-17 07:42:14,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071775388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:42:14,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:42:14,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:42:14,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054331420] [2024-11-17 07:42:14,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:42:14,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:42:14,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:42:14,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:42:14,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:42:14,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2024-11-17 07:42:14,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-17 07:42:14,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:42:14,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2024-11-17 07:42:14,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:42:14,688 INFO L124 PetriNetUnfolderBase]: 5480/7852 cut-off events. [2024-11-17 07:42:14,692 INFO L125 PetriNetUnfolderBase]: For 500/500 co-relation queries the response was YES. [2024-11-17 07:42:14,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17710 conditions, 7852 events. 5480/7852 cut-off events. For 500/500 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 41403 event pairs, 1924 based on Foata normal form. 0/7297 useless extension candidates. Maximal degree in co-relation 17699. Up to 5951 conditions per place. [2024-11-17 07:42:14,769 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 50 selfloop transitions, 4 changer transitions 0/57 dead transitions. [2024-11-17 07:42:14,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 57 transitions, 256 flow [2024-11-17 07:42:14,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:42:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:42:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 81 transitions. [2024-11-17 07:42:14,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.50625 [2024-11-17 07:42:14,771 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 116 flow. Second operand 4 states and 81 transitions. [2024-11-17 07:42:14,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 57 transitions, 256 flow [2024-11-17 07:42:14,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 57 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 07:42:14,778 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 108 flow [2024-11-17 07:42:14,779 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2024-11-17 07:42:14,780 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2024-11-17 07:42:14,780 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 108 flow [2024-11-17 07:42:14,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-17 07:42:14,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:42:14,781 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:42:14,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:42:14,781 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:42:14,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:42:14,782 INFO L85 PathProgramCache]: Analyzing trace with hash -618754176, now seen corresponding path program 1 times [2024-11-17 07:42:14,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:42:14,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942635817] [2024-11-17 07:42:14,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:42:14,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:42:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:42:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:42:14,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:42:14,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942635817] [2024-11-17 07:42:14,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942635817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:42:14,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:42:14,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:42:14,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034228937] [2024-11-17 07:42:14,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:42:14,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:42:14,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:42:14,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:42:14,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:42:14,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2024-11-17 07:42:14,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 108 flow. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-17 07:42:14,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:42:14,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2024-11-17 07:42:14,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:42:15,355 INFO L124 PetriNetUnfolderBase]: 4511/6469 cut-off events. [2024-11-17 07:42:15,356 INFO L125 PetriNetUnfolderBase]: For 1184/1184 co-relation queries the response was YES. [2024-11-17 07:42:15,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14397 conditions, 6469 events. 4511/6469 cut-off events. For 1184/1184 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 33267 event pairs, 1349 based on Foata normal form. 0/6370 useless extension candidates. Maximal degree in co-relation 14385. Up to 2768 conditions per place. [2024-11-17 07:42:15,387 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 68 selfloop transitions, 7 changer transitions 3/81 dead transitions. [2024-11-17 07:42:15,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 81 transitions, 364 flow [2024-11-17 07:42:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:42:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:42:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 105 transitions. [2024-11-17 07:42:15,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.65625 [2024-11-17 07:42:15,389 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 108 flow. Second operand 4 states and 105 transitions. [2024-11-17 07:42:15,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 81 transitions, 364 flow [2024-11-17 07:42:15,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 81 transitions, 359 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 07:42:15,393 INFO L231 Difference]: Finished difference. Result has 48 places, 37 transitions, 129 flow [2024-11-17 07:42:15,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2024-11-17 07:42:15,393 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 1 predicate places. [2024-11-17 07:42:15,394 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 129 flow [2024-11-17 07:42:15,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-17 07:42:15,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:42:15,394 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, 1] [2024-11-17 07:42:15,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:42:15,394 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:42:15,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:42:15,395 INFO L85 PathProgramCache]: Analyzing trace with hash -723464776, now seen corresponding path program 1 times [2024-11-17 07:42:15,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:42:15,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838171874] [2024-11-17 07:42:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:42:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:42:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:42:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:42:15,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:42:15,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838171874] [2024-11-17 07:42:15,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838171874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:42:15,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:42:15,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:42:15,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309874966] [2024-11-17 07:42:15,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:42:15,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:42:15,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:42:15,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:42:15,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:42:15,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2024-11-17 07:42:15,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-17 07:42:15,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:42:15,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2024-11-17 07:42:15,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:42:15,879 INFO L124 PetriNetUnfolderBase]: 4195/6013 cut-off events. [2024-11-17 07:42:15,879 INFO L125 PetriNetUnfolderBase]: For 2736/2736 co-relation queries the response was YES. [2024-11-17 07:42:15,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14474 conditions, 6013 events. 4195/6013 cut-off events. For 2736/2736 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 31159 event pairs, 1279 based on Foata normal form. 84/6082 useless extension candidates. Maximal degree in co-relation 14461. Up to 2768 conditions per place. [2024-11-17 07:42:15,897 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2024-11-17 07:42:15,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 75 transitions, 343 flow [2024-11-17 07:42:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:42:15,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 07:42:15,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions. [2024-11-17 07:42:15,899 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.525 [2024-11-17 07:42:15,899 INFO L175 Difference]: Start difference. First operand has 48 places, 37 transitions, 129 flow. Second operand 5 states and 105 transitions. [2024-11-17 07:42:15,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 75 transitions, 343 flow [2024-11-17 07:42:15,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 75 transitions, 319 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-17 07:42:15,906 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2024-11-17 07:42:15,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2024-11-17 07:42:15,907 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -2 predicate places. [2024-11-17 07:42:15,907 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2024-11-17 07:42:15,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-17 07:42:15,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-17 07:42:15,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-17 07:42:15,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-17 07:42:15,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-17 07:42:15,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-17 07:42:15,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-17 07:42:15,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-17 07:42:15,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-17 07:42:15,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-17 07:42:15,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-17 07:42:15,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-17 07:42:15,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-17 07:42:15,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-17 07:42:15,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-17 07:42:15,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-17 07:42:15,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:42:15,913 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-17 07:42:15,918 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 07:42:15,919 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:42:15,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:42:15 BasicIcfg [2024-11-17 07:42:15,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:42:15,924 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:42:15,924 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:42:15,925 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:42:15,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:42:12" (3/4) ... [2024-11-17 07:42:15,927 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 07:42:15,929 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-17 07:42:15,929 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-17 07:42:15,929 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-17 07:42:15,932 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-11-17 07:42:15,932 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-17 07:42:15,932 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-17 07:42:15,933 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 07:42:16,003 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 07:42:16,004 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 07:42:16,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:42:16,005 INFO L158 Benchmark]: Toolchain (without parser) took 4456.25ms. Allocated memory was 207.6MB in the beginning and 830.5MB in the end (delta: 622.9MB). Free memory was 138.4MB in the beginning and 633.3MB in the end (delta: -494.9MB). Peak memory consumption was 129.2MB. Max. memory is 16.1GB. [2024-11-17 07:42:16,005 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:42:16,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.08ms. Allocated memory is still 207.6MB. Free memory was 138.2MB in the beginning and 177.0MB in the end (delta: -38.7MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-17 07:42:16,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.04ms. Allocated memory is still 207.6MB. Free memory was 177.0MB in the beginning and 174.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:42:16,006 INFO L158 Benchmark]: Boogie Preprocessor took 27.17ms. Allocated memory is still 207.6MB. Free memory was 174.9MB in the beginning and 173.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:42:16,006 INFO L158 Benchmark]: IcfgBuilder took 455.00ms. Allocated memory is still 207.6MB. Free memory was 172.8MB in the beginning and 149.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 07:42:16,006 INFO L158 Benchmark]: TraceAbstraction took 3402.55ms. Allocated memory was 207.6MB in the beginning and 830.5MB in the end (delta: 622.9MB). Free memory was 148.8MB in the beginning and 637.5MB in the end (delta: -488.7MB). Peak memory consumption was 229.2MB. Max. memory is 16.1GB. [2024-11-17 07:42:16,007 INFO L158 Benchmark]: Witness Printer took 79.91ms. Allocated memory is still 830.5MB. Free memory was 637.5MB in the beginning and 633.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:42:16,008 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 113.2MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.08ms. Allocated memory is still 207.6MB. Free memory was 138.2MB in the beginning and 177.0MB in the end (delta: -38.7MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.04ms. Allocated memory is still 207.6MB. Free memory was 177.0MB in the beginning and 174.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.17ms. Allocated memory is still 207.6MB. Free memory was 174.9MB in the beginning and 173.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 455.00ms. Allocated memory is still 207.6MB. Free memory was 172.8MB in the beginning and 149.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3402.55ms. Allocated memory was 207.6MB in the beginning and 830.5MB in the end (delta: 622.9MB). Free memory was 148.8MB in the beginning and 637.5MB in the end (delta: -488.7MB). Peak memory consumption was 229.2MB. Max. memory is 16.1GB. * Witness Printer took 79.91ms. Allocated memory is still 830.5MB. Free memory was 637.5MB in the beginning and 633.3MB 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, 72 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: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 339 IncrementalHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 339 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=129occurred 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, 0.3s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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! [2024-11-17 07:42:16,033 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