./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/mix003.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix003.oepc.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 929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:34:05,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:34:05,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:34:05,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:34:05,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:34:05,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:34:05,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:34:05,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:34:05,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:34:05,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:34:05,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:34:05,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:34:05,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:34:05,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:34:05,746 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:34:05,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:34:05,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:34:05,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:34:05,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:34:05,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:34:05,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:34:05,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:34:05,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:34:05,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:34:05,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:34:05,752 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:34:05,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:34:05,753 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:34:05,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:34:05,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:34:05,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:34:05,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:34:05,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:34:05,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:34:05,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:34:05,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:34:05,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:34:05,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:34:05,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:34:05,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:34:05,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:34:05,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:34:05,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:34:05,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:34:05,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744 [2024-10-13 16:34:06,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:34:06,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:34:06,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:34:06,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:34:06,045 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:34:06,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix003.oepc.i [2024-10-13 16:34:07,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:34:07,682 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:34:07,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix003.oepc.i [2024-10-13 16:34:07,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f243bcbb0/a8e397c75e7644c6b846ae1367bac155/FLAGe76a58d1b [2024-10-13 16:34:08,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f243bcbb0/a8e397c75e7644c6b846ae1367bac155 [2024-10-13 16:34:08,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:34:08,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:34:08,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:34:08,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:34:08,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:34:08,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d38a638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08, skipping insertion in model container [2024-10-13 16:34:08,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:34:08,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:34:08,466 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:34:08,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:34:08,595 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:34:08,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08 WrapperNode [2024-10-13 16:34:08,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:34:08,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:34:08,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:34:08,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:34:08,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,655 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 124 [2024-10-13 16:34:08,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:34:08,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:34:08,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:34:08,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:34:08,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,703 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]. [2024-10-13 16:34:08,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:34:08,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:34:08,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:34:08,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:34:08,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (1/1) ... [2024-10-13 16:34:08,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:34:08,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:34:08,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:34:08,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:34:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:34:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:34:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 16:34:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 16:34:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 16:34:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 16:34:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-13 16:34:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-13 16:34:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:34:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:34:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:34:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:34:08,829 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 16:34:08,991 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:34:08,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:34:09,313 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:34:09,314 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:34:09,524 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:34:09,524 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:34:09,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:09 BoogieIcfgContainer [2024-10-13 16:34:09,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:34:09,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:34:09,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:34:09,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:34:09,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:34:08" (1/3) ... [2024-10-13 16:34:09,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1293ae6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:34:09, skipping insertion in model container [2024-10-13 16:34:09,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:08" (2/3) ... [2024-10-13 16:34:09,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1293ae6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:34:09, skipping insertion in model container [2024-10-13 16:34:09,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:09" (3/3) ... [2024-10-13 16:34:09,538 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003.oepc.i [2024-10-13 16:34:09,555 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:34:09,555 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 16:34:09,555 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 16:34:09,618 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 16:34:09,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 94 flow [2024-10-13 16:34:09,697 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-10-13 16:34:09,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:34:09,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 91 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-13 16:34:09,701 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 41 transitions, 94 flow [2024-10-13 16:34:09,705 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 38 transitions, 85 flow [2024-10-13 16:34:09,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:34:09,728 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;@49cad06d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:34:09,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-13 16:34:09,738 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:34:09,739 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-13 16:34:09,739 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:34:09,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:34:09,740 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:34:09,740 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-13 16:34:09,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:34:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash -335006328, now seen corresponding path program 1 times [2024-10-13 16:34:09,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:34:09,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395482619] [2024-10-13 16:34:09,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:34:09,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:34:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:34:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:34:10,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:34:10,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395482619] [2024-10-13 16:34:10,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395482619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:34:10,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:34:10,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:34:10,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072908649] [2024-10-13 16:34:10,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:34:10,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:34:10,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:34:10,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:34:10,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:34:10,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-10-13 16:34:10,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:34:10,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:34:10,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-10-13 16:34:10,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:34:10,934 INFO L124 PetriNetUnfolderBase]: 2398/3581 cut-off events. [2024-10-13 16:34:10,935 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-10-13 16:34:10,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7179 conditions, 3581 events. 2398/3581 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 20637 event pairs, 838 based on Foata normal form. 0/2832 useless extension candidates. Maximal degree in co-relation 7168. Up to 3251 conditions per place. [2024-10-13 16:34:10,970 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 39 selfloop transitions, 4 changer transitions 0/54 dead transitions. [2024-10-13 16:34:10,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 209 flow [2024-10-13 16:34:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:34:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:34:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-10-13 16:34:10,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7398373983739838 [2024-10-13 16:34:10,986 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 85 flow. Second operand 3 states and 91 transitions. [2024-10-13 16:34:10,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 209 flow [2024-10-13 16:34:10,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 16:34:10,994 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 118 flow [2024-10-13 16:34:10,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2024-10-13 16:34:11,002 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2024-10-13 16:34:11,004 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 118 flow [2024-10-13 16:34:11,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:34:11,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:34:11,004 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:34:11,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:34:11,005 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-13 16:34:11,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:34:11,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1511129595, now seen corresponding path program 1 times [2024-10-13 16:34:11,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:34:11,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433042161] [2024-10-13 16:34:11,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:34:11,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:34:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:34:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:34:11,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:34:11,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433042161] [2024-10-13 16:34:11,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433042161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:34:11,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:34:11,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:34:11,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280519575] [2024-10-13 16:34:11,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:34:11,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:34:11,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:34:11,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:34:11,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:34:11,178 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-10-13 16:34:11,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:34:11,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:34:11,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-10-13 16:34:11,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:34:11,608 INFO L124 PetriNetUnfolderBase]: 1703/2568 cut-off events. [2024-10-13 16:34:11,609 INFO L125 PetriNetUnfolderBase]: For 197/197 co-relation queries the response was YES. [2024-10-13 16:34:11,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5955 conditions, 2568 events. 1703/2568 cut-off events. For 197/197 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14367 event pairs, 529 based on Foata normal form. 0/2231 useless extension candidates. Maximal degree in co-relation 5944. Up to 2237 conditions per place. [2024-10-13 16:34:11,627 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 36 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2024-10-13 16:34:11,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 51 transitions, 216 flow [2024-10-13 16:34:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:34:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:34:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 99 transitions. [2024-10-13 16:34:11,630 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6036585365853658 [2024-10-13 16:34:11,630 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 118 flow. Second operand 4 states and 99 transitions. [2024-10-13 16:34:11,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 51 transitions, 216 flow [2024-10-13 16:34:11,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:34:11,633 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 110 flow [2024-10-13 16:34:11,634 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-10-13 16:34:11,634 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-10-13 16:34:11,635 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 110 flow [2024-10-13 16:34:11,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:34:11,635 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:34:11,635 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:34:11,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:34:11,636 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-13 16:34:11,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:34:11,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1511129596, now seen corresponding path program 1 times [2024-10-13 16:34:11,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:34:11,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190979083] [2024-10-13 16:34:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:34:11,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:34:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:34:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:34:11,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:34:11,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190979083] [2024-10-13 16:34:11,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190979083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:34:11,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:34:11,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:34:11,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343438079] [2024-10-13 16:34:11,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:34:11,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:34:11,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:34:11,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:34:11,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:34:11,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-10-13 16:34:11,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:34:11,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:34:11,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-10-13 16:34:11,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:34:12,152 INFO L124 PetriNetUnfolderBase]: 1254/1921 cut-off events. [2024-10-13 16:34:12,154 INFO L125 PetriNetUnfolderBase]: For 397/397 co-relation queries the response was YES. [2024-10-13 16:34:12,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4366 conditions, 1921 events. 1254/1921 cut-off events. For 397/397 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10495 event pairs, 216 based on Foata normal form. 0/1817 useless extension candidates. Maximal degree in co-relation 4354. Up to 893 conditions per place. [2024-10-13 16:34:12,167 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 47 selfloop transitions, 7 changer transitions 3/68 dead transitions. [2024-10-13 16:34:12,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 68 transitions, 296 flow [2024-10-13 16:34:12,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:34:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:34:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2024-10-13 16:34:12,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7073170731707317 [2024-10-13 16:34:12,169 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 110 flow. Second operand 4 states and 116 transitions. [2024-10-13 16:34:12,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 68 transitions, 296 flow [2024-10-13 16:34:12,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 68 transitions, 291 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 16:34:12,171 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 131 flow [2024-10-13 16:34:12,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2024-10-13 16:34:12,174 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2024-10-13 16:34:12,174 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 131 flow [2024-10-13 16:34:12,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:34:12,175 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:34:12,175 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, 1] [2024-10-13 16:34:12,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:34:12,175 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-13 16:34:12,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:34:12,176 INFO L85 PathProgramCache]: Analyzing trace with hash 752706924, now seen corresponding path program 1 times [2024-10-13 16:34:12,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:34:12,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368597167] [2024-10-13 16:34:12,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:34:12,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:34:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:34:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:34:12,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:34:12,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368597167] [2024-10-13 16:34:12,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368597167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:34:12,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:34:12,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:34:12,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636699818] [2024-10-13 16:34:12,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:34:12,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:34:12,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:34:12,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:34:12,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:34:12,347 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-10-13 16:34:12,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:34:12,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:34:12,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-10-13 16:34:12,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:34:12,658 INFO L124 PetriNetUnfolderBase]: 1034/1601 cut-off events. [2024-10-13 16:34:12,658 INFO L125 PetriNetUnfolderBase]: For 942/942 co-relation queries the response was YES. [2024-10-13 16:34:12,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4060 conditions, 1601 events. 1034/1601 cut-off events. For 942/942 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8942 event pairs, 166 based on Foata normal form. 60/1617 useless extension candidates. Maximal degree in co-relation 4047. Up to 698 conditions per place. [2024-10-13 16:34:12,663 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2024-10-13 16:34:12,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 62 transitions, 275 flow [2024-10-13 16:34:12,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:34:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 16:34:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2024-10-13 16:34:12,666 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6048780487804878 [2024-10-13 16:34:12,666 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 131 flow. Second operand 5 states and 124 transitions. [2024-10-13 16:34:12,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 62 transitions, 275 flow [2024-10-13 16:34:12,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 62 transitions, 251 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-10-13 16:34:12,672 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-10-13 16:34:12,672 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2024-10-13 16:34:12,673 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2024-10-13 16:34:12,673 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-10-13 16:34:12,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:34:12,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-10-13 16:34:12,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-10-13 16:34:12,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-10-13 16:34:12,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-10-13 16:34:12,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-10-13 16:34:12,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-10-13 16:34:12,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-13 16:34:12,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-10-13 16:34:12,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-10-13 16:34:12,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-10-13 16:34:12,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-10-13 16:34:12,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-10-13 16:34:12,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-10-13 16:34:12,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-10-13 16:34:12,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-10-13 16:34:12,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:34:12,680 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-13 16:34:12,687 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 16:34:12,687 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:34:12,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:34:12 BasicIcfg [2024-10-13 16:34:12,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:34:12,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:34:12,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:34:12,693 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:34:12,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:09" (3/4) ... [2024-10-13 16:34:12,697 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:34:12,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-13 16:34:12,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-13 16:34:12,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-13 16:34:12,706 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2024-10-13 16:34:12,707 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-13 16:34:12,707 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 16:34:12,707 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 16:34:12,794 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:34:12,795 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 16:34:12,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:34:12,795 INFO L158 Benchmark]: Toolchain (without parser) took 4781.31ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 108.6MB in the beginning and 174.7MB in the end (delta: -66.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-13 16:34:12,796 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:34:12,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.19ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 125.2MB in the end (delta: -17.2MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-10-13 16:34:12,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.75ms. Allocated memory is still 159.4MB. Free memory was 125.2MB in the beginning and 122.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:34:12,797 INFO L158 Benchmark]: Boogie Preprocessor took 67.22ms. Allocated memory is still 159.4MB. Free memory was 122.0MB in the beginning and 118.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:34:12,797 INFO L158 Benchmark]: RCFGBuilder took 801.59ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 76.6MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-13 16:34:12,797 INFO L158 Benchmark]: TraceAbstraction took 3164.74ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 75.5MB in the beginning and 179.9MB in the end (delta: -104.4MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2024-10-13 16:34:12,797 INFO L158 Benchmark]: Witness Printer took 101.90ms. Allocated memory is still 251.7MB. Free memory was 179.9MB in the beginning and 174.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 16:34:12,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.19ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 125.2MB in the end (delta: -17.2MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.75ms. Allocated memory is still 159.4MB. Free memory was 125.2MB in the beginning and 122.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.22ms. Allocated memory is still 159.4MB. Free memory was 122.0MB in the beginning and 118.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.59ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 76.6MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3164.74ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 75.5MB in the beginning and 179.9MB in the end (delta: -104.4MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. * Witness Printer took 101.90ms. Allocated memory is still 251.7MB. Free memory was 179.9MB in the beginning and 174.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: 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, 74 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: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 266 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 266 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=131occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 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! [2024-10-13 16:34:12,827 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