./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe000_rmo.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/safe000_rmo.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 8451e3cb8884fa2b6b1e99bbb0d2794206f3a8d471135f07f1c96b53a42300f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:11:29,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:11:29,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:11:29,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:11:29,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:11:29,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:11:29,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:11:29,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:11:29,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:11:29,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:11:29,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:11:29,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:11:29,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:11:29,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:11:29,438 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:11:29,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:11:29,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:11:29,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:11:29,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:11:29,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:11:29,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:11:29,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:11:29,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:11:29,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:11:29,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:11:29,445 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:11:29,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:11:29,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:11:29,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:11:29,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:11:29,446 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:11:29,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:11:29,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:11:29,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:11:29,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:11:29,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:11:29,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:11:29,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:11:29,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:11:29,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:11:29,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:11:29,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:11:29,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:11:29,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:11:29,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8451e3cb8884fa2b6b1e99bbb0d2794206f3a8d471135f07f1c96b53a42300f5 [2024-11-10 22:11:29,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:11:29,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:11:29,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:11:29,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:11:29,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:11:29,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe000_rmo.i [2024-11-10 22:11:31,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:11:31,521 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:11:31,521 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe000_rmo.i [2024-11-10 22:11:31,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fe3c75c7/300b0735ad444905ba5e6a88b930423d/FLAG5a5163970 [2024-11-10 22:11:31,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fe3c75c7/300b0735ad444905ba5e6a88b930423d [2024-11-10 22:11:31,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:11:31,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:11:31,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:11:31,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:11:31,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:11:31,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:11:31" (1/1) ... [2024-11-10 22:11:31,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3693026e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:31, skipping insertion in model container [2024-11-10 22:11:31,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:11:31" (1/1) ... [2024-11-10 22:11:31,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:11:32,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:11:32,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:11:32,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:11:32,253 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:11:32,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32 WrapperNode [2024-11-10 22:11:32,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:11:32,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:11:32,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:11:32,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:11:32,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,331 INFO L138 Inliner]: procedures = 175, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 162 [2024-11-10 22:11:32,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:11:32,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:11:32,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:11:32,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:11:32,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,357 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,395 INFO L175 MemorySlicer]: Split 30 memory accesses to 2 slices as follows [2, 28]. 93 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 11 writes are split as follows [0, 11]. [2024-11-10 22:11:32,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,414 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:11:32,438 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:11:32,438 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:11:32,439 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:11:32,440 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (1/1) ... [2024-11-10 22:11:32,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:11:32,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:11:32,476 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) [2024-11-10 22:11:32,479 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 [2024-11-10 22:11:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:11:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 22:11:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:11:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 22:11:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:11:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:11:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 22:11:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 22:11:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 22:11:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 22:11:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 22:11:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 22:11:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:11:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 22:11:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:11:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:11:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:11:32,536 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 22:11:32,713 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:11:32,716 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:11:33,275 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:11:33,276 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:11:33,718 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:11:33,718 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:11:33,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:11:33 BoogieIcfgContainer [2024-11-10 22:11:33,719 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:11:33,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:11:33,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:11:33,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:11:33,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:11:31" (1/3) ... [2024-11-10 22:11:33,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526d0fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:11:33, skipping insertion in model container [2024-11-10 22:11:33,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:32" (2/3) ... [2024-11-10 22:11:33,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526d0fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:11:33, skipping insertion in model container [2024-11-10 22:11:33,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:11:33" (3/3) ... [2024-11-10 22:11:33,739 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_rmo.i [2024-11-10 22:11:33,756 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:11:33,757 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 22:11:33,757 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:11:33,832 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 22:11:33,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-11-10 22:11:33,911 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-10 22:11:33,911 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:11:33,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 86 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-10 22:11:33,915 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-11-10 22:11:33,919 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-11-10 22:11:33,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:11:33,943 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;@7dbac545, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:11:33,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-10 22:11:33,953 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:11:33,953 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-10 22:11:33,954 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:11:33,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:33,955 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:11:33,955 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-10 22:11:33,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:33,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1162163773, now seen corresponding path program 1 times [2024-11-10 22:11:33,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:33,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204313900] [2024-11-10 22:11:33,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:33,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:34,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204313900] [2024-11-10 22:11:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204313900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:34,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:34,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 22:11:34,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184391206] [2024-11-10 22:11:34,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:34,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:11:34,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:34,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:11:34,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:11:34,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 22:11:34,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-10 22:11:34,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:34,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 22:11:34,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:36,124 INFO L124 PetriNetUnfolderBase]: 6011/8643 cut-off events. [2024-11-10 22:11:36,125 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-10 22:11:36,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17382 conditions, 8643 events. 6011/8643 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 46715 event pairs, 2103 based on Foata normal form. 0/7438 useless extension candidates. Maximal degree in co-relation 17371. Up to 7145 conditions per place. [2024-11-10 22:11:36,199 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 51 selfloop transitions, 4 changer transitions 0/58 dead transitions. [2024-11-10 22:11:36,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 58 transitions, 241 flow [2024-11-10 22:11:36,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:11:36,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 22:11:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2024-11-10 22:11:36,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6752136752136753 [2024-11-10 22:11:36,215 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 79 transitions. [2024-11-10 22:11:36,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 58 transitions, 241 flow [2024-11-10 22:11:36,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 58 transitions, 236 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 22:11:36,226 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-11-10 22:11:36,229 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2024-11-10 22:11:36,235 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-11-10 22:11:36,236 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-11-10 22:11:36,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-10 22:11:36,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:36,237 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:11:36,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:11:36,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-10 22:11:36,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:36,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1442128865, now seen corresponding path program 1 times [2024-11-10 22:11:36,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:36,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708640134] [2024-11-10 22:11:36,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:36,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:36,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708640134] [2024-11-10 22:11:36,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708640134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:36,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:36,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:11:36,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097045613] [2024-11-10 22:11:36,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:36,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:11:36,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:36,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:11:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:11:36,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 22:11:36,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-10 22:11:36,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:36,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 22:11:36,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:37,654 INFO L124 PetriNetUnfolderBase]: 4754/6832 cut-off events. [2024-11-10 22:11:37,655 INFO L125 PetriNetUnfolderBase]: For 458/458 co-relation queries the response was YES. [2024-11-10 22:11:37,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15484 conditions, 6832 events. 4754/6832 cut-off events. For 458/458 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 35784 event pairs, 1616 based on Foata normal form. 0/6307 useless extension candidates. Maximal degree in co-relation 15473. Up to 5333 conditions per place. [2024-11-10 22:11:37,709 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 48 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2024-11-10 22:11:37,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 55 transitions, 248 flow [2024-11-10 22:11:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:11:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:11:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2024-11-10 22:11:37,714 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5064102564102564 [2024-11-10 22:11:37,714 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 79 transitions. [2024-11-10 22:11:37,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 55 transitions, 248 flow [2024-11-10 22:11:37,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 55 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:11:37,719 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-11-10 22:11:37,719 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2024-11-10 22:11:37,720 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-11-10 22:11:37,721 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-11-10 22:11:37,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-10 22:11:37,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:37,722 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:11:37,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:11:37,723 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-10 22:11:37,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:37,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1442128864, now seen corresponding path program 1 times [2024-11-10 22:11:37,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:37,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831898398] [2024-11-10 22:11:37,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:37,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:37,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:37,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831898398] [2024-11-10 22:11:37,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831898398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:37,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:37,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:11:37,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367220372] [2024-11-10 22:11:37,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:37,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:11:37,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:37,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:11:37,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:11:37,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 22:11:37,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-10 22:11:37,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:37,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 22:11:37,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:38,990 INFO L124 PetriNetUnfolderBase]: 3851/5543 cut-off events. [2024-11-10 22:11:38,990 INFO L125 PetriNetUnfolderBase]: For 1056/1056 co-relation queries the response was YES. [2024-11-10 22:11:39,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12387 conditions, 5543 events. 3851/5543 cut-off events. For 1056/1056 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 28221 event pairs, 1069 based on Foata normal form. 0/5446 useless extension candidates. Maximal degree in co-relation 12375. Up to 2352 conditions per place. [2024-11-10 22:11:39,031 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 65 selfloop transitions, 7 changer transitions 3/78 dead transitions. [2024-11-10 22:11:39,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 78 transitions, 352 flow [2024-11-10 22:11:39,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:11:39,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:11:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 102 transitions. [2024-11-10 22:11:39,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6538461538461539 [2024-11-10 22:11:39,035 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 102 transitions. [2024-11-10 22:11:39,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 78 transitions, 352 flow [2024-11-10 22:11:39,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 78 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 22:11:39,040 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-11-10 22:11:39,040 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2024-11-10 22:11:39,041 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-11-10 22:11:39,042 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-11-10 22:11:39,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-10 22:11:39,042 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:39,042 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] [2024-11-10 22:11:39,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:11:39,043 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-10 22:11:39,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:39,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1001739232, now seen corresponding path program 1 times [2024-11-10 22:11:39,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:39,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722461306] [2024-11-10 22:11:39,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:39,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:39,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:39,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722461306] [2024-11-10 22:11:39,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722461306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:39,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:39,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:11:39,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708966533] [2024-11-10 22:11:39,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:39,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 22:11:39,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:39,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 22:11:39,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:11:39,208 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 22:11:39,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-10 22:11:39,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:39,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 22:11:39,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:40,089 INFO L124 PetriNetUnfolderBase]: 3535/5087 cut-off events. [2024-11-10 22:11:40,090 INFO L125 PetriNetUnfolderBase]: For 2436/2436 co-relation queries the response was YES. [2024-11-10 22:11:40,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12350 conditions, 5087 events. 3535/5087 cut-off events. For 2436/2436 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 26146 event pairs, 999 based on Foata normal form. 84/5158 useless extension candidates. Maximal degree in co-relation 12337. Up to 2352 conditions per place. [2024-11-10 22:11:40,105 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2024-11-10 22:11:40,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 72 transitions, 331 flow [2024-11-10 22:11:40,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:11:40,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 22:11:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 102 transitions. [2024-11-10 22:11:40,108 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5230769230769231 [2024-11-10 22:11:40,109 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 102 transitions. [2024-11-10 22:11:40,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 72 transitions, 331 flow [2024-11-10 22:11:40,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 72 transitions, 307 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-10 22:11:40,119 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-11-10 22:11:40,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2024-11-10 22:11:40,122 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-11-10 22:11:40,122 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-11-10 22:11:40,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-10 22:11:40,125 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-10 22:11:40,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-10 22:11:40,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-10 22:11:40,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-10 22:11:40,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-10 22:11:40,126 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-10 22:11:40,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-10 22:11:40,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-10 22:11:40,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-10 22:11:40,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-10 22:11:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-10 22:11:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-10 22:11:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-10 22:11:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-10 22:11:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-10 22:11:40,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:11:40,129 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 22:11:40,136 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 22:11:40,136 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 22:11:40,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:11:40 BasicIcfg [2024-11-10 22:11:40,145 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:11:40,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:11:40,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:11:40,146 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:11:40,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:11:33" (3/4) ... [2024-11-10 22:11:40,149 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:11:40,151 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 22:11:40,152 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 22:11:40,152 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 22:11:40,157 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2024-11-10 22:11:40,157 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-10 22:11:40,158 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 22:11:40,158 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 22:11:40,245 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:11:40,245 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:11:40,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:11:40,246 INFO L158 Benchmark]: Toolchain (without parser) took 8679.27ms. Allocated memory was 151.0MB in the beginning and 734.0MB in the end (delta: 583.0MB). Free memory was 94.9MB in the beginning and 535.1MB in the end (delta: -440.2MB). Peak memory consumption was 145.1MB. Max. memory is 16.1GB. [2024-11-10 22:11:40,246 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 151.0MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:11:40,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.84ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 94.7MB in the beginning and 160.0MB in the end (delta: -65.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-10 22:11:40,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.08ms. Allocated memory is still 195.0MB. Free memory was 160.0MB in the beginning and 156.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:11:40,246 INFO L158 Benchmark]: Boogie Preprocessor took 102.81ms. Allocated memory is still 195.0MB. Free memory was 156.9MB in the beginning and 152.5MB in the end (delta: 4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 22:11:40,247 INFO L158 Benchmark]: IcfgBuilder took 1281.55ms. Allocated memory is still 195.0MB. Free memory was 152.5MB in the beginning and 145.5MB in the end (delta: 7.0MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2024-11-10 22:11:40,247 INFO L158 Benchmark]: TraceAbstraction took 6422.19ms. Allocated memory was 195.0MB in the beginning and 734.0MB in the end (delta: 539.0MB). Free memory was 144.6MB in the beginning and 540.4MB in the end (delta: -395.8MB). Peak memory consumption was 497.6MB. Max. memory is 16.1GB. [2024-11-10 22:11:40,248 INFO L158 Benchmark]: Witness Printer took 99.61ms. Allocated memory is still 734.0MB. Free memory was 540.4MB in the beginning and 535.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 22:11:40,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 151.0MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.84ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 94.7MB in the beginning and 160.0MB in the end (delta: -65.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.08ms. Allocated memory is still 195.0MB. Free memory was 160.0MB in the beginning and 156.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.81ms. Allocated memory is still 195.0MB. Free memory was 156.9MB in the beginning and 152.5MB in the end (delta: 4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1281.55ms. Allocated memory is still 195.0MB. Free memory was 152.5MB in the beginning and 145.5MB in the end (delta: 7.0MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6422.19ms. Allocated memory was 195.0MB in the beginning and 734.0MB in the end (delta: 539.0MB). Free memory was 144.6MB in the beginning and 540.4MB in the end (delta: -395.8MB). Peak memory consumption was 497.6MB. Max. memory is 16.1GB. * Witness Printer took 99.61ms. Allocated memory is still 734.0MB. Free memory was 540.4MB in the beginning and 535.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 784]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 784]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 837]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 837]: 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, 70 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: 6.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 324 IncrementalHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 0 mSDtfsCounter, 324 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=127occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 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! [2024-11-10 22:11:40,284 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