./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix032.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/mix032.opt.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 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:31:00,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:31:00,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:31:00,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:31:00,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:31:00,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:31:00,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:31:00,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:31:00,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:31:00,396 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:31:00,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:31:00,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:31:00,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:31:00,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:31:00,397 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:31:00,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:31:00,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:31:00,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:31:00,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:31:00,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:31:00,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:31:00,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:31:00,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:31:00,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:31:00,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:31:00,406 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:31:00,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:31:00,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:31:00,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:31:00,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:31:00,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:31:00,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:31:00,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:31:00,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:31:00,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:31:00,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:31:00,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:31:00,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:31:00,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:31:00,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:31:00,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:31:00,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:31:00,410 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:31:00,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:31:00,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb [2024-11-12 20:31:00,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:31:00,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:31:00,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:31:00,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:31:00,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:31:00,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix032.opt.i [2024-11-12 20:31:02,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:31:02,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:31:02,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix032.opt.i [2024-11-12 20:31:02,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe794ffb/1fd3bc1af6d94cb29d6fb671a76d0d64/FLAGbfa624215 [2024-11-12 20:31:02,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe794ffb/1fd3bc1af6d94cb29d6fb671a76d0d64 [2024-11-12 20:31:02,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:31:02,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:31:02,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:31:02,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:31:02,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:31:02,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:02,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b81caa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02, skipping insertion in model container [2024-11-12 20:31:02,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:02,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:31:02,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:31:02,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:31:02,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:31:02,944 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:31:02,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02 WrapperNode [2024-11-12 20:31:02,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:31:02,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:31:02,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:31:02,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:31:02,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:02,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:02,993 INFO L138 Inliner]: procedures = 175, calls = 51, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 132 [2024-11-12 20:31:02,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:31:02,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:31:02,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:31:02,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:31:03,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,017 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,031 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]. [2024-11-12 20:31:03,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:31:03,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:31:03,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:31:03,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:31:03,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (1/1) ... [2024-11-12 20:31:03,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:31:03,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:31:03,073 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) [2024-11-12 20:31:03,075 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 [2024-11-12 20:31:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 20:31:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:31:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-12 20:31:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-12 20:31:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-12 20:31:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-12 20:31:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-12 20:31:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-12 20:31:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:31:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 20:31:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:31:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:31:03,113 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 20:31:03,228 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:31:03,230 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:31:03,421 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 20:31:03,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:31:03,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:31:03,579 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 20:31:03,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:31:03 BoogieIcfgContainer [2024-11-12 20:31:03,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:31:03,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:31:03,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:31:03,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:31:03,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:31:02" (1/3) ... [2024-11-12 20:31:03,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6704e902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:31:03, skipping insertion in model container [2024-11-12 20:31:03,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:02" (2/3) ... [2024-11-12 20:31:03,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6704e902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:31:03, skipping insertion in model container [2024-11-12 20:31:03,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:31:03" (3/3) ... [2024-11-12 20:31:03,586 INFO L112 eAbstractionObserver]: Analyzing ICFG mix032.opt.i [2024-11-12 20:31:03,628 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:31:03,629 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-12 20:31:03,629 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 20:31:03,670 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 20:31:03,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 98 flow [2024-11-12 20:31:03,727 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2024-11-12 20:31:03,728 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 20:31:03,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 94 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-12 20:31:03,731 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 43 transitions, 98 flow [2024-11-12 20:31:03,734 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 40 transitions, 89 flow [2024-11-12 20:31:03,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:31:03,750 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;@7061e6a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:31:03,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-12 20:31:03,756 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 20:31:03,757 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-12 20:31:03,757 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 20:31:03,758 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:31:03,758 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:31:03,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 20:31:03,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:31:03,766 INFO L85 PathProgramCache]: Analyzing trace with hash 975489470, now seen corresponding path program 1 times [2024-11-12 20:31:03,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:31:03,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286234078] [2024-11-12 20:31:03,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:31:03,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:31:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:31:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:31:03,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:31:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286234078] [2024-11-12 20:31:03,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286234078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:31:03,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:31:03,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 20:31:03,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008453128] [2024-11-12 20:31:03,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:31:03,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:31:03,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:31:03,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:31:03,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:31:03,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-12 20:31:03,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:31:03,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:31:03,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-12 20:31:03,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:31:04,399 INFO L124 PetriNetUnfolderBase]: 1712/2568 cut-off events. [2024-11-12 20:31:04,400 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-12 20:31:04,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5160 conditions, 2568 events. 1712/2568 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 15275 event pairs, 644 based on Foata normal form. 0/1939 useless extension candidates. Maximal degree in co-relation 5149. Up to 2471 conditions per place. [2024-11-12 20:31:04,423 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 35 selfloop transitions, 4 changer transitions 0/54 dead transitions. [2024-11-12 20:31:04,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 54 transitions, 201 flow [2024-11-12 20:31:04,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:31:04,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 20:31:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-12 20:31:04,434 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7674418604651163 [2024-11-12 20:31:04,436 INFO L175 Difference]: Start difference. First operand has 50 places, 40 transitions, 89 flow. Second operand 3 states and 99 transitions. [2024-11-12 20:31:04,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 54 transitions, 201 flow [2024-11-12 20:31:04,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 54 transitions, 196 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 20:31:04,442 INFO L231 Difference]: Finished difference. Result has 50 places, 43 transitions, 122 flow [2024-11-12 20:31:04,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2024-11-12 20:31:04,447 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 0 predicate places. [2024-11-12 20:31:04,449 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 122 flow [2024-11-12 20:31:04,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:31:04,449 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:31:04,449 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:31:04,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:31:04,450 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 20:31:04,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:31:04,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1746748905, now seen corresponding path program 1 times [2024-11-12 20:31:04,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:31:04,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883852693] [2024-11-12 20:31:04,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:31:04,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:31:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:31:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:31:04,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:31:04,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883852693] [2024-11-12 20:31:04,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883852693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:31:04,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:31:04,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 20:31:04,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839379330] [2024-11-12 20:31:04,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:31:04,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:31:04,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:31:04,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:31:04,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:31:04,595 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-12 20:31:04,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 43 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-12 20:31:04,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:31:04,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-12 20:31:04,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:31:04,813 INFO L124 PetriNetUnfolderBase]: 1109/1687 cut-off events. [2024-11-12 20:31:04,813 INFO L125 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2024-11-12 20:31:04,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4012 conditions, 1687 events. 1109/1687 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9529 event pairs, 355 based on Foata normal form. 0/1426 useless extension candidates. Maximal degree in co-relation 4001. Up to 1589 conditions per place. [2024-11-12 20:31:04,821 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 32 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2024-11-12 20:31:04,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 208 flow [2024-11-12 20:31:04,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:31:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 20:31:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2024-11-12 20:31:04,823 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6453488372093024 [2024-11-12 20:31:04,823 INFO L175 Difference]: Start difference. First operand has 50 places, 43 transitions, 122 flow. Second operand 4 states and 111 transitions. [2024-11-12 20:31:04,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 208 flow [2024-11-12 20:31:04,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 204 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 20:31:04,826 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 114 flow [2024-11-12 20:31:04,826 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-11-12 20:31:04,827 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-11-12 20:31:04,827 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 114 flow [2024-11-12 20:31:04,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-12 20:31:04,827 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:31:04,827 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:31:04,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 20:31:04,828 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 20:31:04,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:31:04,828 INFO L85 PathProgramCache]: Analyzing trace with hash -369809306, now seen corresponding path program 1 times [2024-11-12 20:31:04,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:31:04,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831969105] [2024-11-12 20:31:04,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:31:04,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:31:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:31:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:31:04,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:31:04,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831969105] [2024-11-12 20:31:04,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831969105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:31:04,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:31:04,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 20:31:04,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141523101] [2024-11-12 20:31:04,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:31:04,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:31:04,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:31:04,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:31:04,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:31:04,897 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-12 20:31:04,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-12 20:31:04,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:31:04,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-12 20:31:04,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:31:05,069 INFO L124 PetriNetUnfolderBase]: 752/1172 cut-off events. [2024-11-12 20:31:05,070 INFO L125 PetriNetUnfolderBase]: For 279/279 co-relation queries the response was YES. [2024-11-12 20:31:05,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 1172 events. 752/1172 cut-off events. For 279/279 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6163 event pairs, 82 based on Foata normal form. 0/1099 useless extension candidates. Maximal degree in co-relation 2715. Up to 741 conditions per place. [2024-11-12 20:31:05,075 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 41 selfloop transitions, 7 changer transitions 3/66 dead transitions. [2024-11-12 20:31:05,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 66 transitions, 280 flow [2024-11-12 20:31:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:31:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 20:31:05,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-11-12 20:31:05,076 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7325581395348837 [2024-11-12 20:31:05,076 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 114 flow. Second operand 4 states and 126 transitions. [2024-11-12 20:31:05,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 66 transitions, 280 flow [2024-11-12 20:31:05,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 66 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 20:31:05,078 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 135 flow [2024-11-12 20:31:05,078 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-12 20:31:05,078 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2024-11-12 20:31:05,079 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 135 flow [2024-11-12 20:31:05,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-12 20:31:05,079 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:31:05,079 INFO L206 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, 1] [2024-11-12 20:31:05,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:31:05,079 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 20:31:05,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:31:05,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1812699842, now seen corresponding path program 1 times [2024-11-12 20:31:05,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:31:05,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852436146] [2024-11-12 20:31:05,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:31:05,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:31:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:31:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:31:05,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:31:05,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852436146] [2024-11-12 20:31:05,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852436146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:31:05,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:31:05,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:31:05,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003586634] [2024-11-12 20:31:05,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:31:05,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:31:05,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:31:05,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:31:05,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:31:05,180 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-12 20:31:05,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-11-12 20:31:05,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:31:05,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-12 20:31:05,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:31:05,337 INFO L124 PetriNetUnfolderBase]: 532/852 cut-off events. [2024-11-12 20:31:05,338 INFO L125 PetriNetUnfolderBase]: For 654/654 co-relation queries the response was YES. [2024-11-12 20:31:05,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 852 events. 532/852 cut-off events. For 654/654 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4520 event pairs, 32 based on Foata normal form. 60/899 useless extension candidates. Maximal degree in co-relation 2274. Up to 420 conditions per place. [2024-11-12 20:31:05,339 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions. [2024-11-12 20:31:05,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 60 transitions, 259 flow [2024-11-12 20:31:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:31:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 20:31:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 138 transitions. [2024-11-12 20:31:05,343 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.641860465116279 [2024-11-12 20:31:05,343 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 135 flow. Second operand 5 states and 138 transitions. [2024-11-12 20:31:05,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 60 transitions, 259 flow [2024-11-12 20:31:05,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 60 transitions, 235 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-12 20:31:05,346 INFO L231 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2024-11-12 20:31:05,346 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2024-11-12 20:31:05,347 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2024-11-12 20:31:05,348 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 0 transitions, 0 flow [2024-11-12 20:31:05,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-11-12 20:31:05,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-12 20:31:05,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-12 20:31:05,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-12 20:31:05,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-12 20:31:05,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-12 20:31:05,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-12 20:31:05,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-12 20:31:05,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-12 20:31:05,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-12 20:31:05,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-12 20:31:05,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-12 20:31:05,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-12 20:31:05,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-12 20:31:05,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-12 20:31:05,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-12 20:31:05,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:31:05,354 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-12 20:31:05,359 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 20:31:05,359 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 20:31:05,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 08:31:05 BasicIcfg [2024-11-12 20:31:05,364 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 20:31:05,365 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:31:05,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:31:05,365 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:31:05,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:31:03" (3/4) ... [2024-11-12 20:31:05,367 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 20:31:05,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-12 20:31:05,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-12 20:31:05,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-12 20:31:05,374 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2024-11-12 20:31:05,374 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-12 20:31:05,375 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-12 20:31:05,375 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-12 20:31:05,465 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 20:31:05,466 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 20:31:05,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:31:05,466 INFO L158 Benchmark]: Toolchain (without parser) took 3218.86ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 152.6MB in the beginning and 174.0MB in the end (delta: -21.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-12 20:31:05,466 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 132.1MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:31:05,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.33ms. Allocated memory is still 182.5MB. Free memory was 152.3MB in the beginning and 130.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-12 20:31:05,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.68ms. Allocated memory is still 182.5MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:31:05,467 INFO L158 Benchmark]: Boogie Preprocessor took 49.72ms. Allocated memory is still 182.5MB. Free memory was 128.1MB in the beginning and 124.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 20:31:05,467 INFO L158 Benchmark]: RCFGBuilder took 533.26ms. Allocated memory is still 182.5MB. Free memory was 124.7MB in the beginning and 135.9MB in the end (delta: -11.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-12 20:31:05,467 INFO L158 Benchmark]: TraceAbstraction took 1783.28ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 134.8MB in the beginning and 178.2MB in the end (delta: -43.3MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. [2024-11-12 20:31:05,467 INFO L158 Benchmark]: Witness Printer took 100.69ms. Allocated memory is still 228.6MB. Free memory was 178.2MB in the beginning and 174.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 20:31:05,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 132.1MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.33ms. Allocated memory is still 182.5MB. Free memory was 152.3MB in the beginning and 130.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.68ms. Allocated memory is still 182.5MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.72ms. Allocated memory is still 182.5MB. Free memory was 128.1MB in the beginning and 124.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 533.26ms. Allocated memory is still 182.5MB. Free memory was 124.7MB in the beginning and 135.9MB in the end (delta: -11.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1783.28ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 134.8MB in the beginning and 178.2MB in the end (delta: -43.3MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. * Witness Printer took 100.69ms. Allocated memory is still 228.6MB. Free memory was 178.2MB in the beginning and 174.0MB 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: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: 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, 78 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: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 2 mSDtfsCounter, 246 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=135occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 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! [2024-11-12 20:31:05,494 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