./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/safe037.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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/safe037.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 8e4a27807726d35f891e97d8bb2a7e6664171035f3f5de29d992fc7dfa583447 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:31:00,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:31:00,530 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:31:00,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:31:00,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:31:00,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:31:00,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:31:00,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:31:00,564 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:31:00,565 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:31:00,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:31:00,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:31:00,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:31:00,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:31:00,567 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:31:00,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:31:00,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:31:00,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:31:00,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:31:00,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:31:00,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:31:00,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:31:00,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:31:00,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:31:00,571 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:31:00,571 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:31:00,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:31:00,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:31:00,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:31:00,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:31:00,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:31:00,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:31:00,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:31:00,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:31:00,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:31:00,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:31:00,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:31:00,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:31:00,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:31:00,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:31:00,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:31:00,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:31:00,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:31:00,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:31:00,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4a27807726d35f891e97d8bb2a7e6664171035f3f5de29d992fc7dfa583447 [2024-10-24 23:31:00,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:31:00,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:31:00,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:31:00,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:31:00,869 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:31:00,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe037.i [2024-10-24 23:31:02,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:31:02,510 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:31:02,511 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe037.i [2024-10-24 23:31:02,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0230010c/cf71d1f5285d440290704f6779da66ed/FLAG625caa1e0 [2024-10-24 23:31:02,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0230010c/cf71d1f5285d440290704f6779da66ed [2024-10-24 23:31:02,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:31:02,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:31:02,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:31:02,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:31:02,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:31:02,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:31:02" (1/1) ... [2024-10-24 23:31:02,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d064d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:02, skipping insertion in model container [2024-10-24 23:31:02,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:31:02" (1/1) ... [2024-10-24 23:31:02,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:31:03,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:31:03,291 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:31:03,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:31:03,387 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:31:03,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03 WrapperNode [2024-10-24 23:31:03,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:31:03,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:31:03,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:31:03,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:31:03,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,442 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-10-24 23:31:03,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:31:03,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:31:03,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:31:03,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:31:03,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,483 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]. [2024-10-24 23:31:03,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:31:03,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:31:03,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:31:03,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:31:03,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (1/1) ... [2024-10-24 23:31:03,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:31:03,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:31:03,541 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) [2024-10-24 23:31:03,546 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 [2024-10-24 23:31:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 23:31:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:31:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-24 23:31:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-24 23:31:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-24 23:31:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-24 23:31:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-24 23:31:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-24 23:31:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:31:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 23:31:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:31:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:31:03,635 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 23:31:03,781 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:31:03,783 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:31:03,935 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 23:31:03,936 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:31:04,058 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:31:04,060 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 23:31:04,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:04 BoogieIcfgContainer [2024-10-24 23:31:04,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:31:04,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:31:04,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:31:04,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:31:04,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:31:02" (1/3) ... [2024-10-24 23:31:04,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192318d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:31:04, skipping insertion in model container [2024-10-24 23:31:04,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:03" (2/3) ... [2024-10-24 23:31:04,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192318d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:31:04, skipping insertion in model container [2024-10-24 23:31:04,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:04" (3/3) ... [2024-10-24 23:31:04,071 INFO L112 eAbstractionObserver]: Analyzing ICFG safe037.i [2024-10-24 23:31:04,088 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:31:04,089 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-24 23:31:04,089 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 23:31:04,147 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 23:31:04,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 96 flow [2024-10-24 23:31:04,211 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-10-24 23:31:04,211 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:31:04,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 96 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-24 23:31:04,213 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 42 transitions, 96 flow [2024-10-24 23:31:04,216 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 39 transitions, 87 flow [2024-10-24 23:31:04,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:31:04,242 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;@7ab2beae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:31:04,243 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-24 23:31:04,250 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 23:31:04,250 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-24 23:31:04,250 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:31:04,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:04,251 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:04,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:31:04,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:04,257 INFO L85 PathProgramCache]: Analyzing trace with hash -356127002, now seen corresponding path program 1 times [2024-10-24 23:31:04,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:04,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962940366] [2024-10-24 23:31:04,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:04,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:04,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:04,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962940366] [2024-10-24 23:31:04,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962940366] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:04,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:04,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 23:31:04,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439787610] [2024-10-24 23:31:04,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:04,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:31:04,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:04,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:31:04,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:31:04,596 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 42 [2024-10-24 23:31:04,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-10-24 23:31:04,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:04,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 42 [2024-10-24 23:31:04,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:04,877 INFO L124 PetriNetUnfolderBase]: 842/1297 cut-off events. [2024-10-24 23:31:04,878 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-10-24 23:31:04,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 1297 events. 842/1297 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 7473 event pairs, 420 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 2612. Up to 1271 conditions per place. [2024-10-24 23:31:04,894 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 27 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2024-10-24 23:31:04,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 49 transitions, 175 flow [2024-10-24 23:31:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:31:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 23:31:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2024-10-24 23:31:04,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7936507936507936 [2024-10-24 23:31:04,905 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 87 flow. Second operand 3 states and 100 transitions. [2024-10-24 23:31:04,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 49 transitions, 175 flow [2024-10-24 23:31:04,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 49 transitions, 170 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 23:31:04,910 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 120 flow [2024-10-24 23:31:04,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2024-10-24 23:31:04,917 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2024-10-24 23:31:04,917 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 120 flow [2024-10-24 23:31:04,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-10-24 23:31:04,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:04,919 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:04,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:31:04,919 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:31:04,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:04,921 INFO L85 PathProgramCache]: Analyzing trace with hash 988092948, now seen corresponding path program 1 times [2024-10-24 23:31:04,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:04,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204874349] [2024-10-24 23:31:04,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:04,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:05,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:05,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204874349] [2024-10-24 23:31:05,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204874349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:05,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:05,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:31:05,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136658333] [2024-10-24 23:31:05,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:05,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:31:05,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:31:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:31:05,045 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 42 [2024-10-24 23:31:05,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-10-24 23:31:05,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:05,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 42 [2024-10-24 23:31:05,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:05,244 INFO L124 PetriNetUnfolderBase]: 476/755 cut-off events. [2024-10-24 23:31:05,245 INFO L125 PetriNetUnfolderBase]: For 98/98 co-relation queries the response was YES. [2024-10-24 23:31:05,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1871 conditions, 755 events. 476/755 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 3911 event pairs, 212 based on Foata normal form. 0/593 useless extension candidates. Maximal degree in co-relation 1860. Up to 728 conditions per place. [2024-10-24 23:31:05,252 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 24 selfloop transitions, 4 changer transitions 0/46 dead transitions. [2024-10-24 23:31:05,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 182 flow [2024-10-24 23:31:05,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:31:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:31:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2024-10-24 23:31:05,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6845238095238095 [2024-10-24 23:31:05,258 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 120 flow. Second operand 4 states and 115 transitions. [2024-10-24 23:31:05,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 182 flow [2024-10-24 23:31:05,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 46 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 23:31:05,260 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 112 flow [2024-10-24 23:31:05,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2024-10-24 23:31:05,261 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2024-10-24 23:31:05,261 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 112 flow [2024-10-24 23:31:05,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-10-24 23:31:05,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:05,262 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:05,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 23:31:05,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:31:05,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:05,263 INFO L85 PathProgramCache]: Analyzing trace with hash 988092949, now seen corresponding path program 1 times [2024-10-24 23:31:05,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:05,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104088153] [2024-10-24 23:31:05,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:05,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:05,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:05,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104088153] [2024-10-24 23:31:05,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104088153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:05,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:05,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:31:05,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953541780] [2024-10-24 23:31:05,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:05,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:31:05,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:05,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:31:05,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:31:05,338 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 42 [2024-10-24 23:31:05,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-10-24 23:31:05,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:05,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 42 [2024-10-24 23:31:05,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:05,452 INFO L124 PetriNetUnfolderBase]: 302/501 cut-off events. [2024-10-24 23:31:05,453 INFO L125 PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES. [2024-10-24 23:31:05,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1204 conditions, 501 events. 302/501 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 2266 event pairs, 40 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 1192. Up to 409 conditions per place. [2024-10-24 23:31:05,456 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 29 selfloop transitions, 7 changer transitions 3/57 dead transitions. [2024-10-24 23:31:05,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 57 transitions, 238 flow [2024-10-24 23:31:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:31:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:31:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-10-24 23:31:05,458 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75 [2024-10-24 23:31:05,458 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 112 flow. Second operand 4 states and 126 transitions. [2024-10-24 23:31:05,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 57 transitions, 238 flow [2024-10-24 23:31:05,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 57 transitions, 233 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 23:31:05,460 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 133 flow [2024-10-24 23:31:05,460 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2024-10-24 23:31:05,463 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 1 predicate places. [2024-10-24 23:31:05,464 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 133 flow [2024-10-24 23:31:05,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-10-24 23:31:05,464 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:05,465 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, 1] [2024-10-24 23:31:05,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:31:05,465 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:31:05,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:05,466 INFO L85 PathProgramCache]: Analyzing trace with hash 144955367, now seen corresponding path program 1 times [2024-10-24 23:31:05,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:05,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454284026] [2024-10-24 23:31:05,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:05,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:05,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:05,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454284026] [2024-10-24 23:31:05,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454284026] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:05,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:05,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:31:05,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395292005] [2024-10-24 23:31:05,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:05,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:31:05,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:05,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:31:05,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:31:05,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 42 [2024-10-24 23:31:05,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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) [2024-10-24 23:31:05,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:05,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 42 [2024-10-24 23:31:05,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:05,660 INFO L124 PetriNetUnfolderBase]: 130/249 cut-off events. [2024-10-24 23:31:05,660 INFO L125 PetriNetUnfolderBase]: For 264/264 co-relation queries the response was YES. [2024-10-24 23:31:05,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 249 events. 130/249 cut-off events. For 264/264 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1073 event pairs, 0 based on Foata normal form. 48/287 useless extension candidates. Maximal degree in co-relation 722. Up to 156 conditions per place. [2024-10-24 23:31:05,662 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2024-10-24 23:31:05,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 51 transitions, 217 flow [2024-10-24 23:31:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:31:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 23:31:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 141 transitions. [2024-10-24 23:31:05,666 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6714285714285714 [2024-10-24 23:31:05,668 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 133 flow. Second operand 5 states and 141 transitions. [2024-10-24 23:31:05,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 51 transitions, 217 flow [2024-10-24 23:31:05,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 193 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-10-24 23:31:05,670 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2024-10-24 23:31:05,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2024-10-24 23:31:05,671 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-10-24 23:31:05,671 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2024-10-24 23:31:05,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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) [2024-10-24 23:31:05,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-10-24 23:31:05,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-10-24 23:31:05,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-10-24 23:31:05,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-10-24 23:31:05,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-10-24 23:31:05,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-10-24 23:31:05,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-24 23:31:05,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-10-24 23:31:05,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-10-24 23:31:05,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-10-24 23:31:05,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-10-24 23:31:05,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-10-24 23:31:05,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-10-24 23:31:05,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-10-24 23:31:05,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-10-24 23:31:05,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:31:05,681 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-24 23:31:05,688 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 23:31:05,688 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 23:31:05,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:31:05 BasicIcfg [2024-10-24 23:31:05,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 23:31:05,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:31:05,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:31:05,699 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:31:05,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:04" (3/4) ... [2024-10-24 23:31:05,702 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 23:31:05,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-24 23:31:05,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-24 23:31:05,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-24 23:31:05,712 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-24 23:31:05,712 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-24 23:31:05,712 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-24 23:31:05,712 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-24 23:31:05,799 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 23:31:05,800 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 23:31:05,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:31:05,801 INFO L158 Benchmark]: Toolchain (without parser) took 2960.45ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 84.7MB in the beginning and 89.0MB in the end (delta: -4.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-10-24 23:31:05,801 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 140.5MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:31:05,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.94ms. Allocated memory is still 140.5MB. Free memory was 84.3MB in the beginning and 62.1MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 23:31:05,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.56ms. Allocated memory is still 140.5MB. Free memory was 62.1MB in the beginning and 59.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:31:05,802 INFO L158 Benchmark]: Boogie Preprocessor took 58.18ms. Allocated memory is still 140.5MB. Free memory was 59.9MB in the beginning and 58.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:31:05,802 INFO L158 Benchmark]: RCFGBuilder took 556.76ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 58.0MB in the beginning and 156.1MB in the end (delta: -98.2MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-10-24 23:31:05,805 INFO L158 Benchmark]: TraceAbstraction took 1632.32ms. Allocated memory is still 203.4MB. Free memory was 155.1MB in the beginning and 93.1MB in the end (delta: 61.9MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2024-10-24 23:31:05,805 INFO L158 Benchmark]: Witness Printer took 103.59ms. Allocated memory is still 203.4MB. Free memory was 93.1MB in the beginning and 89.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 23:31:05,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 140.5MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.94ms. Allocated memory is still 140.5MB. Free memory was 84.3MB in the beginning and 62.1MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.56ms. Allocated memory is still 140.5MB. Free memory was 62.1MB in the beginning and 59.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.18ms. Allocated memory is still 140.5MB. Free memory was 59.9MB in the beginning and 58.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.76ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 58.0MB in the beginning and 156.1MB in the end (delta: -98.2MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1632.32ms. Allocated memory is still 203.4MB. Free memory was 155.1MB in the beginning and 93.1MB in the end (delta: 61.9MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Witness Printer took 103.59ms. Allocated memory is still 203.4MB. Free memory was 93.1MB in the beginning and 89.0MB 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: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: 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: 771]: 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, 76 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1 mSDtfsCounter, 201 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=133occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 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! [2024-10-24 23:31:05,837 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