./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix035.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix035.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 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:51:43,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:51:43,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:51:43,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:51:43,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:51:43,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:51:43,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:51:43,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:51:43,194 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:51:43,194 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:51:43,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:51:43,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:51:43,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:51:43,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:51:43,195 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:51:43,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:51:43,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:51:43,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:51:43,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:51:43,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:51:43,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:51:43,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:51:43,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:51:43,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:51:43,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:51:43,205 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:51:43,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:51:43,205 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:51:43,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:51:43,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:51:43,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:51:43,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:51:43,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:51:43,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:51:43,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:51:43,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:51:43,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:51:43,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:51:43,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:51:43,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:51:43,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:51:43,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:51:43,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:51:43,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:51:43,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 [2024-11-19 13:51:43,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:51:43,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:51:43,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:51:43,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:51:43,636 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:51:43,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2024-11-19 13:51:45,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:51:45,261 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:51:45,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2024-11-19 13:51:45,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da2668c1e/78fca8644fd9454a9fdee8a7370f9599/FLAG434e003fa [2024-11-19 13:51:45,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da2668c1e/78fca8644fd9454a9fdee8a7370f9599 [2024-11-19 13:51:45,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:51:45,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:51:45,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:51:45,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:51:45,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:51:45,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff41797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45, skipping insertion in model container [2024-11-19 13:51:45,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:51:45,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:51:45,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:51:45,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:51:45,842 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:51:45,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45 WrapperNode [2024-11-19 13:51:45,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:51:45,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:51:45,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:51:45,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:51:45,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,895 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 124 [2024-11-19 13:51:45,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:51:45,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:51:45,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:51:45,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:51:45,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,923 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 13:51:45,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:51:45,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:51:45,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:51:45,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:51:45,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (1/1) ... [2024-11-19 13:51:45,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:51:45,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:51:45,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:51:45,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:51:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:51:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:51:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 13:51:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 13:51:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 13:51:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 13:51:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 13:51:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 13:51:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:51:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:51:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:51:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:51:46,029 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:51:46,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:51:46,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:51:46,453 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:51:46,453 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:51:46,627 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:51:46,627 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:51:46,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:51:46 BoogieIcfgContainer [2024-11-19 13:51:46,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:51:46,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:51:46,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:51:46,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:51:46,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:51:45" (1/3) ... [2024-11-19 13:51:46,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af303cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:51:46, skipping insertion in model container [2024-11-19 13:51:46,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:51:45" (2/3) ... [2024-11-19 13:51:46,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af303cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:51:46, skipping insertion in model container [2024-11-19 13:51:46,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:51:46" (3/3) ... [2024-11-19 13:51:46,635 INFO L112 eAbstractionObserver]: Analyzing ICFG mix035.oepc.i [2024-11-19 13:51:46,648 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:51:46,649 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 13:51:46,649 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:51:46,696 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 13:51:46,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 94 flow [2024-11-19 13:51:46,752 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-11-19 13:51:46,752 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:51:46,755 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 84 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. [2024-11-19 13:51:46,755 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 41 transitions, 94 flow [2024-11-19 13:51:46,758 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 38 transitions, 85 flow [2024-11-19 13:51:46,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:51:46,776 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25528630, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:51:46,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-19 13:51:46,783 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:51:46,783 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-19 13:51:46,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:51:46,783 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:51:46,784 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:51:46,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:51:46,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:51:46,789 INFO L85 PathProgramCache]: Analyzing trace with hash -335006328, now seen corresponding path program 1 times [2024-11-19 13:51:46,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:51:46,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352375487] [2024-11-19 13:51:46,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:51:46,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:51:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:51:47,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:51:47,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:51:47,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352375487] [2024-11-19 13:51:47,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352375487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:51:47,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:51:47,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 13:51:47,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15486241] [2024-11-19 13:51:47,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:51:47,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:51:47,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:51:47,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:51:47,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:51:47,147 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-11-19 13:51:47,149 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) [2024-11-19 13:51:47,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:51:47,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-11-19 13:51:47,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:51:47,737 INFO L124 PetriNetUnfolderBase]: 2398/3584 cut-off events. [2024-11-19 13:51:47,737 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-19 13:51:47,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7182 conditions, 3584 events. 2398/3584 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 20491 event pairs, 838 based on Foata normal form. 0/2815 useless extension candidates. Maximal degree in co-relation 7171. Up to 3251 conditions per place. [2024-11-19 13:51:47,763 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 39 selfloop transitions, 4 changer transitions 0/54 dead transitions. [2024-11-19 13:51:47,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 209 flow [2024-11-19 13:51:47,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:51:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 13:51:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-11-19 13:51:47,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7398373983739838 [2024-11-19 13:51:47,776 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 85 flow. Second operand 3 states and 91 transitions. [2024-11-19 13:51:47,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 209 flow [2024-11-19 13:51:47,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:51:47,783 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 118 flow [2024-11-19 13:51:47,785 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} [2024-11-19 13:51:47,789 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2024-11-19 13:51:47,789 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 118 flow [2024-11-19 13:51:47,790 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) [2024-11-19 13:51:47,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:51:47,790 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:51:47,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:51:47,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:51:47,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:51:47,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1081570100, now seen corresponding path program 1 times [2024-11-19 13:51:47,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:51:47,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044773153] [2024-11-19 13:51:47,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:51:47,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:51:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:51:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:51:47,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:51:47,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044773153] [2024-11-19 13:51:47,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044773153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:51:47,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:51:47,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:51:47,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403996488] [2024-11-19 13:51:47,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:51:47,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:51:47,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:51:47,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:51:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:51:47,919 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-11-19 13:51:47,920 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) [2024-11-19 13:51:47,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:51:47,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-11-19 13:51:47,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:51:48,266 INFO L124 PetriNetUnfolderBase]: 1859/2847 cut-off events. [2024-11-19 13:51:48,267 INFO L125 PetriNetUnfolderBase]: For 207/207 co-relation queries the response was YES. [2024-11-19 13:51:48,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6570 conditions, 2847 events. 1859/2847 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 16308 event pairs, 375 based on Foata normal form. 0/2435 useless extension candidates. Maximal degree in co-relation 6559. Up to 1453 conditions per place. [2024-11-19 13:51:48,280 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 50 selfloop transitions, 10 changer transitions 3/74 dead transitions. [2024-11-19 13:51:48,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 74 transitions, 328 flow [2024-11-19 13:51:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:51:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:51:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2024-11-19 13:51:48,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7439024390243902 [2024-11-19 13:51:48,283 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 118 flow. Second operand 4 states and 122 transitions. [2024-11-19 13:51:48,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 74 transitions, 328 flow [2024-11-19 13:51:48,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 74 transitions, 324 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:51:48,285 INFO L231 Difference]: Finished difference. Result has 52 places, 44 transitions, 174 flow [2024-11-19 13:51:48,285 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=174, PETRI_PLACES=52, PETRI_TRANSITIONS=44} [2024-11-19 13:51:48,285 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 4 predicate places. [2024-11-19 13:51:48,285 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 44 transitions, 174 flow [2024-11-19 13:51:48,285 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) [2024-11-19 13:51:48,286 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:51:48,286 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:51:48,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:51:48,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:51:48,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:51:48,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1081570101, now seen corresponding path program 1 times [2024-11-19 13:51:48,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:51:48,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204887423] [2024-11-19 13:51:48,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:51:48,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:51:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:51:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:51:48,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:51:48,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204887423] [2024-11-19 13:51:48,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204887423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:51:48,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:51:48,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:51:48,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030136052] [2024-11-19 13:51:48,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:51:48,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:51:48,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:51:48,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:51:48,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:51:48,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-11-19 13:51:48,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 174 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) [2024-11-19 13:51:48,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:51:48,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-11-19 13:51:48,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:51:48,642 INFO L124 PetriNetUnfolderBase]: 1142/1772 cut-off events. [2024-11-19 13:51:48,642 INFO L125 PetriNetUnfolderBase]: For 1794/1794 co-relation queries the response was YES. [2024-11-19 13:51:48,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4403 conditions, 1772 events. 1142/1772 cut-off events. For 1794/1794 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9758 event pairs, 310 based on Foata normal form. 228/1943 useless extension candidates. Maximal degree in co-relation 4389. Up to 1438 conditions per place. [2024-11-19 13:51:48,652 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 36 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2024-11-19 13:51:48,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 51 transitions, 242 flow [2024-11-19 13:51:48,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:51:48,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:51:48,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 99 transitions. [2024-11-19 13:51:48,654 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6036585365853658 [2024-11-19 13:51:48,654 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 174 flow. Second operand 4 states and 99 transitions. [2024-11-19 13:51:48,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 51 transitions, 242 flow [2024-11-19 13:51:48,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 224 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-19 13:51:48,662 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 122 flow [2024-11-19 13:51:48,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=46, 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=122, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2024-11-19 13:51:48,662 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2024-11-19 13:51:48,662 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 122 flow [2024-11-19 13:51:48,663 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) [2024-11-19 13:51:48,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:51:48,663 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] [2024-11-19 13:51:48,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:51:48,663 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:51:48,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:51:48,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2021121011, now seen corresponding path program 1 times [2024-11-19 13:51:48,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:51:48,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178207375] [2024-11-19 13:51:48,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:51:48,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:51:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:51:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:51:48,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:51:48,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178207375] [2024-11-19 13:51:48,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178207375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:51:48,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:51:48,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:51:48,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735706851] [2024-11-19 13:51:48,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:51:48,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:51:48,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:51:48,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:51:48,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:51:48,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-11-19 13:51:48,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 122 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) [2024-11-19 13:51:48,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:51:48,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-11-19 13:51:48,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:51:49,247 INFO L124 PetriNetUnfolderBase]: 1034/1604 cut-off events. [2024-11-19 13:51:49,247 INFO L125 PetriNetUnfolderBase]: For 804/804 co-relation queries the response was YES. [2024-11-19 13:51:49,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3727 conditions, 1604 events. 1034/1604 cut-off events. For 804/804 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8884 event pairs, 166 based on Foata normal form. 60/1608 useless extension candidates. Maximal degree in co-relation 3714. Up to 698 conditions per place. [2024-11-19 13:51:49,256 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2024-11-19 13:51:49,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 62 transitions, 266 flow [2024-11-19 13:51:49,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:51:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 13:51:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2024-11-19 13:51:49,260 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6048780487804878 [2024-11-19 13:51:49,261 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 122 flow. Second operand 5 states and 124 transitions. [2024-11-19 13:51:49,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 62 transitions, 266 flow [2024-11-19 13:51:49,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 62 transitions, 251 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 13:51:49,262 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-11-19 13:51:49,262 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} [2024-11-19 13:51:49,262 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2024-11-19 13:51:49,262 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-11-19 13:51:49,263 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) [2024-11-19 13:51:49,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-19 13:51:49,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-19 13:51:49,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-19 13:51:49,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-19 13:51:49,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-19 13:51:49,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-19 13:51:49,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-19 13:51:49,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-19 13:51:49,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-19 13:51:49,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-19 13:51:49,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-19 13:51:49,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-19 13:51:49,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-19 13:51:49,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-19 13:51:49,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-19 13:51:49,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:51:49,275 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 13:51:49,285 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:51:49,286 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:51:49,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:51:49 BasicIcfg [2024-11-19 13:51:49,296 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:51:49,299 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:51:49,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:51:49,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:51:49,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:51:46" (3/4) ... [2024-11-19 13:51:49,301 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:51:49,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-19 13:51:49,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-19 13:51:49,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-19 13:51:49,316 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2024-11-19 13:51:49,317 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-19 13:51:49,317 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-19 13:51:49,318 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-19 13:51:49,439 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:51:49,439 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:51:49,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:51:49,440 INFO L158 Benchmark]: Toolchain (without parser) took 4147.14ms. Allocated memory was 167.8MB in the beginning and 306.2MB in the end (delta: 138.4MB). Free memory was 97.2MB in the beginning and 160.5MB in the end (delta: -63.3MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2024-11-19 13:51:49,440 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:51:49,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.94ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 123.0MB in the end (delta: -26.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 13:51:49,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.11ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 120.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:51:49,440 INFO L158 Benchmark]: Boogie Preprocessor took 47.08ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 116.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:51:49,440 INFO L158 Benchmark]: RCFGBuilder took 684.18ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 124.0MB in the end (delta: -7.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-11-19 13:51:49,441 INFO L158 Benchmark]: TraceAbstraction took 2666.89ms. Allocated memory was 167.8MB in the beginning and 306.2MB in the end (delta: 138.4MB). Free memory was 122.9MB in the beginning and 164.7MB in the end (delta: -41.8MB). Peak memory consumption was 168.9MB. Max. memory is 16.1GB. [2024-11-19 13:51:49,441 INFO L158 Benchmark]: Witness Printer took 140.11ms. Allocated memory is still 306.2MB. Free memory was 164.7MB in the beginning and 160.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:51:49,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.94ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 123.0MB in the end (delta: -26.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.11ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 120.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.08ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 116.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 684.18ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 124.0MB in the end (delta: -7.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2666.89ms. Allocated memory was 167.8MB in the beginning and 306.2MB in the end (delta: 138.4MB). Free memory was 122.9MB in the beginning and 164.7MB in the end (delta: -41.8MB). Peak memory consumption was 168.9MB. Max. memory is 16.1GB. * Witness Printer took 140.11ms. Allocated memory is still 306.2MB. Free memory was 164.7MB in the beginning and 160.5MB 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: 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: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: 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: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 277 IncrementalHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 0 mSDtfsCounter, 277 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=174occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 13:51:49,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE