./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix035.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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/mix035.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:09:23,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:09:23,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:09:23,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:09:23,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:09:23,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:09:23,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:09:23,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:09:23,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:09:23,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:09:23,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:09:23,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:09:23,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:09:23,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:09:23,802 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:09:23,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:09:23,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:09:23,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:09:23,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:09:23,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:09:23,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:09:23,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:09:23,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:09:23,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:09:23,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:09:23,806 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:09:23,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:09:23,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:09:23,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:09:23,807 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:09:23,807 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:09:23,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:09:23,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:09:23,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:09:23,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:09:23,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:09:23,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:09:23,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:09:23,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:09:23,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:09:23,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:09:23,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:09:23,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:09:23,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:09:23,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 [2024-11-10 22:09:24,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:09:24,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:09:24,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:09:24,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:09:24,078 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:09:24,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2024-11-10 22:09:25,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:09:25,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:09:25,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2024-11-10 22:09:25,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d060aac39/33e97f2c013b402a8b6b92001905785f/FLAG620785267 [2024-11-10 22:09:25,817 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d060aac39/33e97f2c013b402a8b6b92001905785f [2024-11-10 22:09:25,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:09:25,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:09:25,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:09:25,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:09:25,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:09:25,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:09:25" (1/1) ... [2024-11-10 22:09:25,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a629dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:25, skipping insertion in model container [2024-11-10 22:09:25,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:09:25" (1/1) ... [2024-11-10 22:09:25,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:09:26,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:09:26,299 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:09:26,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:09:26,426 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:09:26,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26 WrapperNode [2024-11-10 22:09:26,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:09:26,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:09:26,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:09:26,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:09:26,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,481 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 124 [2024-11-10 22:09:26,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:09:26,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:09:26,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:09:26,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:09:26,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,518 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]. [2024-11-10 22:09:26,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,525 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:09:26,533 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:09:26,533 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:09:26,533 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:09:26,534 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (1/1) ... [2024-11-10 22:09:26,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:09:26,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:09:26,580 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 22:09:26,583 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 22:09:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:09:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:09:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 22:09:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 22:09:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 22:09:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 22:09:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 22:09:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 22:09:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:09:26,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:09:26,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:09:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:09:26,635 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 22:09:26,784 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:09:26,786 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:09:27,170 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:09:27,170 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:09:27,397 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:09:27,400 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:09:27,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:09:27 BoogieIcfgContainer [2024-11-10 22:09:27,401 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:09:27,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:09:27,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:09:27,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:09:27,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:09:25" (1/3) ... [2024-11-10 22:09:27,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f0f8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:09:27, skipping insertion in model container [2024-11-10 22:09:27,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:09:26" (2/3) ... [2024-11-10 22:09:27,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f0f8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:09:27, skipping insertion in model container [2024-11-10 22:09:27,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:09:27" (3/3) ... [2024-11-10 22:09:27,411 INFO L112 eAbstractionObserver]: Analyzing ICFG mix035.oepc.i [2024-11-10 22:09:27,430 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:09:27,430 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 22:09:27,430 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:09:27,532 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 22:09:27,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 94 flow [2024-11-10 22:09:27,604 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-11-10 22:09:27,606 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:09:27,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 82 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-10 22:09:27,609 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 41 transitions, 94 flow [2024-11-10 22:09:27,613 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 38 transitions, 85 flow [2024-11-10 22:09:27,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:09:27,636 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;@60cbca67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:09:27,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-10 22:09:27,644 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:09:27,645 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-10 22:09:27,645 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:09:27,645 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:27,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:09:27,647 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 22:09:27,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1476859271, now seen corresponding path program 1 times [2024-11-10 22:09:27,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:27,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192957866] [2024-11-10 22:09:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:27,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:28,025 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 22:09:28,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:28,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192957866] [2024-11-10 22:09:28,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192957866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:28,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:28,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 22:09:28,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327619659] [2024-11-10 22:09:28,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:28,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:09:28,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:28,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:09:28,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:09:28,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 41 [2024-11-10 22:09:28,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 85 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 22:09:28,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:28,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 41 [2024-11-10 22:09:28,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:29,464 INFO L124 PetriNetUnfolderBase]: 7547/10795 cut-off events. [2024-11-10 22:09:29,465 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-10 22:09:29,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21686 conditions, 10795 events. 7547/10795 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 58772 event pairs, 2715 based on Foata normal form. 0/9486 useless extension candidates. Maximal degree in co-relation 21675. Up to 8545 conditions per place. [2024-11-10 22:09:29,555 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 55 selfloop transitions, 4 changer transitions 0/62 dead transitions. [2024-11-10 22:09:29,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 62 transitions, 257 flow [2024-11-10 22:09:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:09:29,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 22:09:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 83 transitions. [2024-11-10 22:09:29,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6747967479674797 [2024-11-10 22:09:29,567 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 85 flow. Second operand 3 states and 83 transitions. [2024-11-10 22:09:29,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 62 transitions, 257 flow [2024-11-10 22:09:29,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 62 transitions, 252 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 22:09:29,574 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 118 flow [2024-11-10 22:09:29,577 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2024-11-10 22:09:29,581 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2024-11-10 22:09:29,581 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 118 flow [2024-11-10 22:09:29,582 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 22:09:29,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:29,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:09:29,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:09:29,583 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 22:09:29,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:29,584 INFO L85 PathProgramCache]: Analyzing trace with hash 398120050, now seen corresponding path program 1 times [2024-11-10 22:09:29,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:29,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075510217] [2024-11-10 22:09:29,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:29,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:29,763 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 22:09:29,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:29,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075510217] [2024-11-10 22:09:29,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075510217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:29,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:29,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:09:29,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660067675] [2024-11-10 22:09:29,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:29,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:09:29,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:29,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:09:29,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:09:29,768 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 41 [2024-11-10 22:09:29,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 118 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 22:09:29,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:29,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 41 [2024-11-10 22:09:29,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:30,839 INFO L124 PetriNetUnfolderBase]: 6158/8796 cut-off events. [2024-11-10 22:09:30,840 INFO L125 PetriNetUnfolderBase]: For 596/596 co-relation queries the response was YES. [2024-11-10 22:09:30,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19748 conditions, 8796 events. 6158/8796 cut-off events. For 596/596 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 46728 event pairs, 2200 based on Foata normal form. 0/8223 useless extension candidates. Maximal degree in co-relation 19737. Up to 6545 conditions per place. [2024-11-10 22:09:30,888 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 52 selfloop transitions, 4 changer transitions 0/59 dead transitions. [2024-11-10 22:09:30,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 59 transitions, 264 flow [2024-11-10 22:09:30,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:09:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:09:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 83 transitions. [2024-11-10 22:09:30,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5060975609756098 [2024-11-10 22:09:30,890 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 118 flow. Second operand 4 states and 83 transitions. [2024-11-10 22:09:30,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 59 transitions, 264 flow [2024-11-10 22:09:30,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 59 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:09:30,894 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 110 flow [2024-11-10 22:09:30,894 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-11-10 22:09:30,895 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-11-10 22:09:30,895 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 110 flow [2024-11-10 22:09:30,895 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 22:09:30,895 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:30,895 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:09:30,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:09:30,896 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 22:09:30,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:30,897 INFO L85 PathProgramCache]: Analyzing trace with hash 398120051, now seen corresponding path program 1 times [2024-11-10 22:09:30,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:30,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853640017] [2024-11-10 22:09:30,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:30,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:30,998 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 22:09:30,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:30,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853640017] [2024-11-10 22:09:30,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853640017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:30,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:30,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:09:30,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067600297] [2024-11-10 22:09:30,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:31,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:09:31,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:31,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:09:31,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:09:31,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 41 [2024-11-10 22:09:31,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 110 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 22:09:31,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:31,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 41 [2024-11-10 22:09:31,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:32,019 INFO L124 PetriNetUnfolderBase]: 5123/7319 cut-off events. [2024-11-10 22:09:32,019 INFO L125 PetriNetUnfolderBase]: For 1388/1388 co-relation queries the response was YES. [2024-11-10 22:09:32,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16219 conditions, 7319 events. 5123/7319 cut-off events. For 1388/1388 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 38124 event pairs, 1597 based on Foata normal form. 0/7230 useless extension candidates. Maximal degree in co-relation 16207. Up to 3160 conditions per place. [2024-11-10 22:09:32,062 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 71 selfloop transitions, 7 changer transitions 3/84 dead transitions. [2024-11-10 22:09:32,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 84 transitions, 376 flow [2024-11-10 22:09:32,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:09:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:09:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-10 22:09:32,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6585365853658537 [2024-11-10 22:09:32,065 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 110 flow. Second operand 4 states and 108 transitions. [2024-11-10 22:09:32,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 84 transitions, 376 flow [2024-11-10 22:09:32,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 84 transitions, 371 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 22:09:32,069 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 131 flow [2024-11-10 22:09:32,069 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2024-11-10 22:09:32,070 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2024-11-10 22:09:32,070 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 131 flow [2024-11-10 22:09:32,071 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 22:09:32,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:32,071 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:09:32,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:09:32,071 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 22:09:32,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:32,072 INFO L85 PathProgramCache]: Analyzing trace with hash 189034047, now seen corresponding path program 1 times [2024-11-10 22:09:32,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:32,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214096067] [2024-11-10 22:09:32,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:32,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:32,247 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 22:09:32,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:32,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214096067] [2024-11-10 22:09:32,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214096067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:32,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:32,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:09:32,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596949777] [2024-11-10 22:09:32,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:32,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 22:09:32,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:32,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 22:09:32,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:09:32,252 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 41 [2024-11-10 22:09:32,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 22:09:32,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:32,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 41 [2024-11-10 22:09:32,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:32,976 INFO L124 PetriNetUnfolderBase]: 4807/6863 cut-off events. [2024-11-10 22:09:32,976 INFO L125 PetriNetUnfolderBase]: For 3144/3144 co-relation queries the response was YES. [2024-11-10 22:09:32,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16406 conditions, 6863 events. 4807/6863 cut-off events. For 3144/3144 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 35893 event pairs, 1527 based on Foata normal form. 84/6942 useless extension candidates. Maximal degree in co-relation 16393. Up to 3160 conditions per place. [2024-11-10 22:09:32,991 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-11-10 22:09:32,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 78 transitions, 355 flow [2024-11-10 22:09:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:09:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 22:09:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 108 transitions. [2024-11-10 22:09:32,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.526829268292683 [2024-11-10 22:09:32,994 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 131 flow. Second operand 5 states and 108 transitions. [2024-11-10 22:09:32,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 78 transitions, 355 flow [2024-11-10 22:09:33,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 78 transitions, 331 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-10 22:09:33,008 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-11-10 22:09:33,008 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2024-11-10 22:09:33,009 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2024-11-10 22:09:33,009 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-11-10 22:09:33,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 22:09:33,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-10 22:09:33,012 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-10 22:09:33,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-10 22:09:33,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-10 22:09:33,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-10 22:09:33,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-10 22:09:33,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-10 22:09:33,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-10 22:09:33,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-10 22:09:33,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-10 22:09:33,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-10 22:09:33,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-10 22:09:33,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-10 22:09:33,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-10 22:09:33,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-10 22:09:33,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:09:33,016 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 22:09:33,024 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 22:09:33,024 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 22:09:33,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:09:33 BasicIcfg [2024-11-10 22:09:33,030 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:09:33,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:09:33,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:09:33,035 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:09:33,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:09:27" (3/4) ... [2024-11-10 22:09:33,037 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:09:33,040 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 22:09:33,041 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 22:09:33,041 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 22:09:33,047 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-11-10 22:09:33,048 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-10 22:09:33,048 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 22:09:33,048 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 22:09:33,142 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:09:33,142 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:09:33,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:09:33,146 INFO L158 Benchmark]: Toolchain (without parser) took 7324.64ms. Allocated memory was 167.8MB in the beginning and 771.8MB in the end (delta: 604.0MB). Free memory was 96.8MB in the beginning and 504.4MB in the end (delta: -407.5MB). Peak memory consumption was 197.4MB. Max. memory is 16.1GB. [2024-11-10 22:09:33,146 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:09:33,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.24ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 123.9MB in the end (delta: -27.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 22:09:33,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.79ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:09:33,147 INFO L158 Benchmark]: Boogie Preprocessor took 50.46ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 116.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:09:33,151 INFO L158 Benchmark]: IcfgBuilder took 867.75ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 56.8MB in the end (delta: 60.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-10 22:09:33,151 INFO L158 Benchmark]: TraceAbstraction took 5627.15ms. Allocated memory was 167.8MB in the beginning and 771.8MB in the end (delta: 604.0MB). Free memory was 56.1MB in the beginning and 508.6MB in the end (delta: -452.4MB). Peak memory consumption was 445.0MB. Max. memory is 16.1GB. [2024-11-10 22:09:33,152 INFO L158 Benchmark]: Witness Printer took 114.28ms. Allocated memory is still 771.8MB. Free memory was 508.6MB in the beginning and 504.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:09:33,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.24ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 123.9MB in the end (delta: -27.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.79ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.46ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 116.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 867.75ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 56.8MB in the end (delta: 60.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5627.15ms. Allocated memory was 167.8MB in the beginning and 771.8MB in the end (delta: 604.0MB). Free memory was 56.1MB in the beginning and 508.6MB in the end (delta: -452.4MB). Peak memory consumption was 445.0MB. Max. memory is 16.1GB. * Witness Printer took 114.28ms. Allocated memory is still 771.8MB. Free memory was 508.6MB in the beginning and 504.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 74 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 348 IncrementalHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 22:09:33,185 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