./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe011_power.opt_pso.opt.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/safe011_power.opt_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdec055c4bfc04b6b0c3fc918f7b96def91dcb331178222835136af29a7feef5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:11:56,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:11:56,910 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:11:56,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:11:56,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:11:56,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:11:56,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:11:56,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:11:56,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:11:56,931 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:11:56,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:11:56,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:11:56,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:11:56,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:11:56,933 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:11:56,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:11:56,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:11:56,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:11:56,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:11:56,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:11:56,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:11:56,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:11:56,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:11:56,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:11:56,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:11:56,940 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:11:56,941 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:11:56,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:11:56,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:11:56,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:11:56,941 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:11:56,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:11:56,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:11:56,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:11:56,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:11:56,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:11:56,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:11:56,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:11:56,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:11:56,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:11:56,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:11:56,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:11:56,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:11:56,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:11:56,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdec055c4bfc04b6b0c3fc918f7b96def91dcb331178222835136af29a7feef5 [2024-11-10 22:11:57,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:11:57,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:11:57,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:11:57,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:11:57,149 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:11:57,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe011_power.opt_pso.opt.i [2024-11-10 22:11:58,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:11:59,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:11:59,127 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_power.opt_pso.opt.i [2024-11-10 22:11:59,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d342161/98b80482f2c74cf693ab06566a033103/FLAG82578a981 [2024-11-10 22:11:59,173 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d342161/98b80482f2c74cf693ab06566a033103 [2024-11-10 22:11:59,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:11:59,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:11:59,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:11:59,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:11:59,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:11:59,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa895d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59, skipping insertion in model container [2024-11-10 22:11:59,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:11:59,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:11:59,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:11:59,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:11:59,769 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:11:59,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59 WrapperNode [2024-11-10 22:11:59,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:11:59,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:11:59,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:11:59,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:11:59,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,809 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 139 [2024-11-10 22:11:59,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:11:59,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:11:59,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:11:59,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:11:59,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,853 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 22:11:59,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,864 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:11:59,874 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:11:59,874 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:11:59,874 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:11:59,875 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (1/1) ... [2024-11-10 22:11:59,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:11:59,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:11:59,913 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 22:11:59,919 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 22:11:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:11:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:11:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 22:11:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 22:11:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 22:11:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 22:11:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 22:11:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 22:11:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:11:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:11:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:11:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:11:59,962 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 22:12:00,086 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:12:00,088 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:12:00,366 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:12:00,367 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:12:00,618 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:12:00,620 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:12:00,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:12:00 BoogieIcfgContainer [2024-11-10 22:12:00,621 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:12:00,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:12:00,624 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:12:00,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:12:00,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:11:59" (1/3) ... [2024-11-10 22:12:00,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c312eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:12:00, skipping insertion in model container [2024-11-10 22:12:00,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:11:59" (2/3) ... [2024-11-10 22:12:00,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c312eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:12:00, skipping insertion in model container [2024-11-10 22:12:00,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:12:00" (3/3) ... [2024-11-10 22:12:00,630 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_power.opt_pso.opt.i [2024-11-10 22:12:00,644 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:12:00,644 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 22:12:00,644 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:12:00,693 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 22:12:00,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-11-10 22:12:00,755 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-10 22:12:00,756 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:12:00,757 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 81 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 22:12:00,757 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-11-10 22:12:00,760 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-11-10 22:12:00,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:12:00,772 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;@5d8eae45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:12:00,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-10 22:12:00,779 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:12:00,779 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-10 22:12:00,780 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:12:00,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:12:00,780 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:12:00,781 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 22:12:00,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:12:00,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2114315241, now seen corresponding path program 1 times [2024-11-10 22:12:00,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:12:00,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332295215] [2024-11-10 22:12:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:12:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:12:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:12:01,018 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 22:12:01,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:12:01,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332295215] [2024-11-10 22:12:01,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332295215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:12:01,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:12:01,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 22:12:01,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002068300] [2024-11-10 22:12:01,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:12:01,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:12:01,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:12:01,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:12:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:12:01,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 22:12:01,068 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 22:12:01,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:12:01,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 22:12:01,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:12:02,108 INFO L124 PetriNetUnfolderBase]: 6011/8641 cut-off events. [2024-11-10 22:12:02,108 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-11-10 22:12:02,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17380 conditions, 8641 events. 6011/8641 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 46535 event pairs, 2103 based on Foata normal form. 0/7437 useless extension candidates. Maximal degree in co-relation 17369. Up to 7145 conditions per place. [2024-11-10 22:12:02,160 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 51 selfloop transitions, 4 changer transitions 0/58 dead transitions. [2024-11-10 22:12:02,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 58 transitions, 241 flow [2024-11-10 22:12:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:12:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 22:12:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2024-11-10 22:12:02,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6752136752136753 [2024-11-10 22:12:02,170 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 79 transitions. [2024-11-10 22:12:02,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 58 transitions, 241 flow [2024-11-10 22:12:02,174 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 22:12:02,177 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-11-10 22:12:02,179 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 22:12:02,182 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-11-10 22:12:02,182 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-11-10 22:12:02,182 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 22:12:02,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:12:02,183 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:12:02,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:12:02,183 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 22:12:02,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:12:02,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2062283508, now seen corresponding path program 1 times [2024-11-10 22:12:02,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:12:02,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139844278] [2024-11-10 22:12:02,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:12:02,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:12:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:12:02,341 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 22:12:02,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:12:02,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139844278] [2024-11-10 22:12:02,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139844278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:12:02,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:12:02,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:12:02,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801778312] [2024-11-10 22:12:02,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:12:02,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:12:02,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:12:02,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:12:02,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:12:02,343 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 22:12:02,343 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 22:12:02,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:12:02,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 22:12:02,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:12:02,953 INFO L124 PetriNetUnfolderBase]: 4754/6830 cut-off events. [2024-11-10 22:12:02,954 INFO L125 PetriNetUnfolderBase]: For 454/454 co-relation queries the response was YES. [2024-11-10 22:12:02,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15482 conditions, 6830 events. 4754/6830 cut-off events. For 454/454 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 35649 event pairs, 1616 based on Foata normal form. 0/6306 useless extension candidates. Maximal degree in co-relation 15471. Up to 5333 conditions per place. [2024-11-10 22:12:02,984 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 48 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2024-11-10 22:12:02,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 55 transitions, 248 flow [2024-11-10 22:12:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:12:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:12:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2024-11-10 22:12:02,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5064102564102564 [2024-11-10 22:12:02,987 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 79 transitions. [2024-11-10 22:12:02,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 55 transitions, 248 flow [2024-11-10 22:12:02,989 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 22:12:02,991 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-11-10 22:12:02,991 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 22:12:02,992 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-11-10 22:12:02,992 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-11-10 22:12:02,992 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 22:12:02,992 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:12:02,993 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:12:02,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:12:02,993 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 22:12:02,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:12:02,996 INFO L85 PathProgramCache]: Analyzing trace with hash -2062283507, now seen corresponding path program 1 times [2024-11-10 22:12:02,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:12:02,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284176891] [2024-11-10 22:12:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:12:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:12:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:12:03,097 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 22:12:03,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:12:03,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284176891] [2024-11-10 22:12:03,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284176891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:12:03,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:12:03,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:12:03,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205860456] [2024-11-10 22:12:03,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:12:03,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:12:03,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:12:03,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:12:03,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:12:03,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 22:12:03,102 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 22:12:03,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:12:03,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 22:12:03,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:12:03,784 INFO L124 PetriNetUnfolderBase]: 3851/5541 cut-off events. [2024-11-10 22:12:03,784 INFO L125 PetriNetUnfolderBase]: For 1048/1048 co-relation queries the response was YES. [2024-11-10 22:12:03,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12385 conditions, 5541 events. 3851/5541 cut-off events. For 1048/1048 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 28214 event pairs, 1069 based on Foata normal form. 0/5445 useless extension candidates. Maximal degree in co-relation 12373. Up to 2352 conditions per place. [2024-11-10 22:12:03,809 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 65 selfloop transitions, 7 changer transitions 3/78 dead transitions. [2024-11-10 22:12:03,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 78 transitions, 352 flow [2024-11-10 22:12:03,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:12:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:12:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 102 transitions. [2024-11-10 22:12:03,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6538461538461539 [2024-11-10 22:12:03,811 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 102 transitions. [2024-11-10 22:12:03,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 78 transitions, 352 flow [2024-11-10 22:12:03,814 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 22:12:03,815 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-11-10 22:12:03,815 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 22:12:03,816 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-11-10 22:12:03,817 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-11-10 22:12:03,817 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 22:12:03,817 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:12:03,817 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 22:12:03,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:12:03,817 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 22:12:03,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:12:03,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1599824259, now seen corresponding path program 1 times [2024-11-10 22:12:03,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:12:03,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435848729] [2024-11-10 22:12:03,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:12:03,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:12:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:12:03,932 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 22:12:03,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:12:03,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435848729] [2024-11-10 22:12:03,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435848729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:12:03,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:12:03,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:12:03,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643930181] [2024-11-10 22:12:03,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:12:03,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 22:12:03,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:12:03,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 22:12:03,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:12:03,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 22:12:03,935 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 22:12:03,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:12:03,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 22:12:03,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:12:04,354 INFO L124 PetriNetUnfolderBase]: 3535/5085 cut-off events. [2024-11-10 22:12:04,355 INFO L125 PetriNetUnfolderBase]: For 2424/2424 co-relation queries the response was YES. [2024-11-10 22:12:04,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12348 conditions, 5085 events. 3535/5085 cut-off events. For 2424/2424 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 25989 event pairs, 999 based on Foata normal form. 84/5157 useless extension candidates. Maximal degree in co-relation 12335. Up to 2352 conditions per place. [2024-11-10 22:12:04,365 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2024-11-10 22:12:04,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 72 transitions, 331 flow [2024-11-10 22:12:04,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:12:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 22:12:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 102 transitions. [2024-11-10 22:12:04,368 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5230769230769231 [2024-11-10 22:12:04,368 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 102 transitions. [2024-11-10 22:12:04,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 72 transitions, 331 flow [2024-11-10 22:12:04,373 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 22:12:04,375 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-11-10 22:12:04,376 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 22:12:04,377 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-11-10 22:12:04,377 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-11-10 22:12:04,377 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 22:12:04,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-10 22:12:04,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-10 22:12:04,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-10 22:12:04,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-10 22:12:04,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-10 22:12:04,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-10 22:12:04,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-10 22:12:04,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-10 22:12:04,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-10 22:12:04,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-10 22:12:04,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-10 22:12:04,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-10 22:12:04,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-10 22:12:04,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-10 22:12:04,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-10 22:12:04,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:12:04,383 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 22:12:04,387 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 22:12:04,388 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 22:12:04,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:12:04 BasicIcfg [2024-11-10 22:12:04,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:12:04,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:12:04,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:12:04,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:12:04,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:12:00" (3/4) ... [2024-11-10 22:12:04,400 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:12:04,402 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 22:12:04,402 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 22:12:04,402 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 22:12:04,405 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-11-10 22:12:04,406 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-10 22:12:04,406 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 22:12:04,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 22:12:04,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:12:04,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:12:04,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:12:04,474 INFO L158 Benchmark]: Toolchain (without parser) took 5297.62ms. Allocated memory was 159.4MB in the beginning and 570.4MB in the end (delta: 411.0MB). Free memory was 83.9MB in the beginning and 351.3MB in the end (delta: -267.3MB). Peak memory consumption was 146.0MB. Max. memory is 16.1GB. [2024-11-10 22:12:04,474 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 109.2MB in the beginning and 109.1MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:12:04,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.06ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 83.8MB in the beginning and 207.4MB in the end (delta: -123.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-10 22:12:04,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.38ms. Allocated memory is still 249.6MB. Free memory was 207.4MB in the beginning and 205.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:12:04,474 INFO L158 Benchmark]: Boogie Preprocessor took 63.16ms. Allocated memory is still 249.6MB. Free memory was 204.3MB in the beginning and 201.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:12:04,475 INFO L158 Benchmark]: IcfgBuilder took 747.30ms. Allocated memory is still 249.6MB. Free memory was 201.2MB in the beginning and 140.4MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-10 22:12:04,475 INFO L158 Benchmark]: TraceAbstraction took 3774.05ms. Allocated memory was 249.6MB in the beginning and 570.4MB in the end (delta: 320.9MB). Free memory was 139.3MB in the beginning and 355.5MB in the end (delta: -216.1MB). Peak memory consumption was 309.2MB. Max. memory is 16.1GB. [2024-11-10 22:12:04,475 INFO L158 Benchmark]: Witness Printer took 76.02ms. Allocated memory is still 570.4MB. Free memory was 355.5MB in the beginning and 351.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:12:04,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 109.2MB in the beginning and 109.1MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.06ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 83.8MB in the beginning and 207.4MB in the end (delta: -123.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.38ms. Allocated memory is still 249.6MB. Free memory was 207.4MB in the beginning and 205.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.16ms. Allocated memory is still 249.6MB. Free memory was 204.3MB in the beginning and 201.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 747.30ms. Allocated memory is still 249.6MB. Free memory was 201.2MB in the beginning and 140.4MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3774.05ms. Allocated memory was 249.6MB in the beginning and 570.4MB in the end (delta: 320.9MB). Free memory was 139.3MB in the beginning and 355.5MB in the end (delta: -216.1MB). Peak memory consumption was 309.2MB. Max. memory is 16.1GB. * Witness Printer took 76.02ms. Allocated memory is still 570.4MB. Free memory was 355.5MB in the beginning and 351.3MB 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: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: 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: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s 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, 0.1s SatisfiabilityAnalysisTime, 0.4s 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 22:12:04,502 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