./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix006_tso.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 a555daf8b3d43d9709cd95be6561d3a47f75ee906fd0e296710c365eb1f220a2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:43:00,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:43:00,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:43:00,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:43:00,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:43:00,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:43:00,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:43:00,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:43:00,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:43:00,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:43:00,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:43:00,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:43:00,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:43:00,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:43:00,134 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:43:00,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:43:00,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:43:00,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:43:00,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:43:00,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:43:00,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:43:00,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:43:00,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:43:00,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:43:00,137 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:43:00,137 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:43:00,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:43:00,137 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:43:00,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:43:00,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:43:00,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:43:00,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:43:00,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:43:00,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:43:00,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:43:00,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:43:00,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:43:00,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:43:00,140 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:43:00,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:43:00,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:43:00,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:43:00,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:43:00,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:43:00,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a555daf8b3d43d9709cd95be6561d3a47f75ee906fd0e296710c365eb1f220a2 [2024-11-23 01:43:00,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:43:00,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:43:00,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:43:00,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:43:00,369 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:43:00,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i [2024-11-23 01:43:01,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:43:01,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:43:01,908 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i [2024-11-23 01:43:01,929 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987c7bcb4/0261127c975947d2842af6cb1e33de27/FLAG8e8f58e75 [2024-11-23 01:43:01,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987c7bcb4/0261127c975947d2842af6cb1e33de27 [2024-11-23 01:43:01,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:43:01,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:43:01,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:43:01,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:43:01,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:43:01,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:01" (1/1) ... [2024-11-23 01:43:01,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdd1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:01, skipping insertion in model container [2024-11-23 01:43:01,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:01" (1/1) ... [2024-11-23 01:43:01,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:43:02,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:43:02,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:43:02,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:43:02,516 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:43:02,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02 WrapperNode [2024-11-23 01:43:02,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:43:02,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:43:02,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:43:02,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:43:02,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,581 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 269 [2024-11-23 01:43:02,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:43:02,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:43:02,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:43:02,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:43:02,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,626 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]. [2024-11-23 01:43:02,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:43:02,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:43:02,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:43:02,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:43:02,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (1/1) ... [2024-11-23 01:43:02,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:43:02,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:43:02,684 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) [2024-11-23 01:43:02,690 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 [2024-11-23 01:43:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 01:43:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:43:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 01:43:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 01:43:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 01:43:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 01:43:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 01:43:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 01:43:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:43:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 01:43:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:43:02,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:43:02,729 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 01:43:02,834 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:43:02,836 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:43:03,176 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 01:43:03,176 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:43:03,477 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:43:03,477 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:43:03,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:03 BoogieIcfgContainer [2024-11-23 01:43:03,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:43:03,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:43:03,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:43:03,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:43:03,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:43:01" (1/3) ... [2024-11-23 01:43:03,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69591be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:03, skipping insertion in model container [2024-11-23 01:43:03,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:02" (2/3) ... [2024-11-23 01:43:03,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69591be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:03, skipping insertion in model container [2024-11-23 01:43:03,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:03" (3/3) ... [2024-11-23 01:43:03,484 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006_tso.oepc.i [2024-11-23 01:43:03,499 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:43:03,499 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-23 01:43:03,499 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 01:43:03,555 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 01:43:03,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 94 flow [2024-11-23 01:43:03,605 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-11-23 01:43:03,605 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 01:43:03,608 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 86 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. [2024-11-23 01:43:03,608 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 41 transitions, 94 flow [2024-11-23 01:43:03,610 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 38 transitions, 85 flow [2024-11-23 01:43:03,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:43:03,622 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;@574021f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:43:03,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-23 01:43:03,627 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 01:43:03,628 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-23 01:43:03,628 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 01:43:03,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:43:03,628 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:43:03,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:43:03,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:43:03,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1905068708, now seen corresponding path program 1 times [2024-11-23 01:43:03,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:43:03,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620551334] [2024-11-23 01:43:03,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:43:03,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:43:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:43:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:43:03,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:43:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620551334] [2024-11-23 01:43:03,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620551334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:43:03,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:43:03,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 01:43:03,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238955034] [2024-11-23 01:43:03,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:43:03,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:43:03,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:43:03,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:43:03,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:43:03,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 41 [2024-11-23 01:43:03,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-23 01:43:03,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:43:03,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 41 [2024-11-23 01:43:03,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:43:04,961 INFO L124 PetriNetUnfolderBase]: 4245/6201 cut-off events. [2024-11-23 01:43:04,962 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-23 01:43:04,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12438 conditions, 6201 events. 4245/6201 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 35260 event pairs, 1393 based on Foata normal form. 0/5199 useless extension candidates. Maximal degree in co-relation 12427. Up to 5405 conditions per place. [2024-11-23 01:43:05,004 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 47 selfloop transitions, 4 changer transitions 0/58 dead transitions. [2024-11-23 01:43:05,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 58 transitions, 233 flow [2024-11-23 01:43:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:43:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 01:43:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions. [2024-11-23 01:43:05,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7073170731707317 [2024-11-23 01:43:05,016 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 85 flow. Second operand 3 states and 87 transitions. [2024-11-23 01:43:05,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 58 transitions, 233 flow [2024-11-23 01:43:05,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 58 transitions, 228 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 01:43:05,021 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 118 flow [2024-11-23 01:43:05,025 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} [2024-11-23 01:43:05,029 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2024-11-23 01:43:05,029 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 118 flow [2024-11-23 01:43:05,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-23 01:43:05,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:43:05,030 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:43:05,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:43:05,030 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:43:05,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:43:05,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1457072218, now seen corresponding path program 1 times [2024-11-23 01:43:05,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:43:05,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166069981] [2024-11-23 01:43:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:43:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:43:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:43:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:43:05,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:43:05,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166069981] [2024-11-23 01:43:05,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166069981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:43:05,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:43:05,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:43:05,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938285071] [2024-11-23 01:43:05,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:43:05,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:43:05,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:43:05,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:43:05,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:43:05,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 41 [2024-11-23 01:43:05,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-11-23 01:43:05,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:43:05,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 41 [2024-11-23 01:43:05,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:43:05,971 INFO L124 PetriNetUnfolderBase]: 3233/4737 cut-off events. [2024-11-23 01:43:05,971 INFO L125 PetriNetUnfolderBase]: For 369/369 co-relation queries the response was YES. [2024-11-23 01:43:05,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10822 conditions, 4737 events. 3233/4737 cut-off events. For 369/369 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 26417 event pairs, 987 based on Foata normal form. 0/4295 useless extension candidates. Maximal degree in co-relation 10811. Up to 3940 conditions per place. [2024-11-23 01:43:05,989 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 44 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2024-11-23 01:43:05,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 55 transitions, 240 flow [2024-11-23 01:43:05,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:43:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 01:43:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2024-11-23 01:43:05,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5548780487804879 [2024-11-23 01:43:05,991 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 118 flow. Second operand 4 states and 91 transitions. [2024-11-23 01:43:05,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 55 transitions, 240 flow [2024-11-23 01:43:05,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 55 transitions, 236 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 01:43:05,993 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 110 flow [2024-11-23 01:43:05,993 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} [2024-11-23 01:43:05,994 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-11-23 01:43:05,994 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 110 flow [2024-11-23 01:43:05,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-11-23 01:43:05,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:43:05,994 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:43:05,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 01:43:05,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:43:05,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:43:05,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1457072217, now seen corresponding path program 1 times [2024-11-23 01:43:05,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:43:05,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047153400] [2024-11-23 01:43:05,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:43:05,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:43:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:43:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:43:06,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:43:06,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047153400] [2024-11-23 01:43:06,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047153400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:43:06,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:43:06,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:43:06,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332709458] [2024-11-23 01:43:06,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:43:06,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:43:06,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:43:06,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:43:06,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:43:06,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 41 [2024-11-23 01:43:06,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-11-23 01:43:06,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:43:06,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 41 [2024-11-23 01:43:06,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:43:06,746 INFO L124 PetriNetUnfolderBase]: 2521/3717 cut-off events. [2024-11-23 01:43:06,747 INFO L125 PetriNetUnfolderBase]: For 810/810 co-relation queries the response was YES. [2024-11-23 01:43:06,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8359 conditions, 3717 events. 2521/3717 cut-off events. For 810/810 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 20380 event pairs, 541 based on Foata normal form. 0/3619 useless extension candidates. Maximal degree in co-relation 8347. Up to 1568 conditions per place. [2024-11-23 01:43:06,766 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 59 selfloop transitions, 7 changer transitions 3/76 dead transitions. [2024-11-23 01:43:06,767 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 76 transitions, 336 flow [2024-11-23 01:43:06,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:43:06,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 01:43:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2024-11-23 01:43:06,769 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6829268292682927 [2024-11-23 01:43:06,769 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 110 flow. Second operand 4 states and 112 transitions. [2024-11-23 01:43:06,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 76 transitions, 336 flow [2024-11-23 01:43:06,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 76 transitions, 331 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 01:43:06,771 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 131 flow [2024-11-23 01:43:06,772 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} [2024-11-23 01:43:06,773 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2024-11-23 01:43:06,773 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 131 flow [2024-11-23 01:43:06,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-11-23 01:43:06,773 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:43:06,774 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] [2024-11-23 01:43:06,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:43:06,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:43:06,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:43:06,775 INFO L85 PathProgramCache]: Analyzing trace with hash 835549405, now seen corresponding path program 1 times [2024-11-23 01:43:06,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:43:06,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448457100] [2024-11-23 01:43:06,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:43:06,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:43:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:43:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:43:06,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:43:06,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448457100] [2024-11-23 01:43:06,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448457100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:43:06,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:43:06,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:43:06,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264479981] [2024-11-23 01:43:06,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:43:06,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 01:43:06,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:43:06,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 01:43:06,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:43:06,964 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 41 [2024-11-23 01:43:06,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2024-11-23 01:43:06,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:43:06,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 41 [2024-11-23 01:43:06,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:43:07,465 INFO L124 PetriNetUnfolderBase]: 2253/3329 cut-off events. [2024-11-23 01:43:07,465 INFO L125 PetriNetUnfolderBase]: For 1839/1839 co-relation queries the response was YES. [2024-11-23 01:43:07,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8228 conditions, 3329 events. 2253/3329 cut-off events. For 1839/1839 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 18732 event pairs, 481 based on Foata normal form. 72/3375 useless extension candidates. Maximal degree in co-relation 8215. Up to 1568 conditions per place. [2024-11-23 01:43:07,474 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2024-11-23 01:43:07,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 70 transitions, 315 flow [2024-11-23 01:43:07,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:43:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 01:43:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 116 transitions. [2024-11-23 01:43:07,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5658536585365853 [2024-11-23 01:43:07,479 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 131 flow. Second operand 5 states and 116 transitions. [2024-11-23 01:43:07,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 70 transitions, 315 flow [2024-11-23 01:43:07,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 70 transitions, 291 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-23 01:43:07,489 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-11-23 01:43:07,490 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} [2024-11-23 01:43:07,490 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2024-11-23 01:43:07,490 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-11-23 01:43:07,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2024-11-23 01:43:07,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-23 01:43:07,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-23 01:43:07,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-23 01:43:07,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-23 01:43:07,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-23 01:43:07,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-23 01:43:07,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:43:07,522 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 01:43:07,529 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 01:43:07,533 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:43:07,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:43:07 BasicIcfg [2024-11-23 01:43:07,540 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:43:07,541 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:43:07,541 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:43:07,541 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:43:07,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:03" (3/4) ... [2024-11-23 01:43:07,543 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-23 01:43:07,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-23 01:43:07,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-23 01:43:07,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-23 01:43:07,552 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2024-11-23 01:43:07,552 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-23 01:43:07,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 01:43:07,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 01:43:07,666 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 01:43:07,666 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-23 01:43:07,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:43:07,667 INFO L158 Benchmark]: Toolchain (without parser) took 5724.11ms. Allocated memory was 195.0MB in the beginning and 738.2MB in the end (delta: 543.2MB). Free memory was 121.4MB in the beginning and 644.9MB in the end (delta: -523.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-23 01:43:07,667 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 195.0MB. Free memory was 150.5MB in the beginning and 150.3MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:43:07,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.19ms. Allocated memory is still 195.0MB. Free memory was 121.4MB in the beginning and 151.5MB in the end (delta: -30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-23 01:43:07,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.05ms. Allocated memory is still 195.0MB. Free memory was 151.5MB in the beginning and 147.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:43:07,671 INFO L158 Benchmark]: Boogie Preprocessor took 67.81ms. Allocated memory is still 195.0MB. Free memory was 147.3MB in the beginning and 142.0MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:43:07,672 INFO L158 Benchmark]: RCFGBuilder took 827.62ms. Allocated memory was 195.0MB in the beginning and 283.1MB in the end (delta: 88.1MB). Free memory was 142.0MB in the beginning and 227.6MB in the end (delta: -85.6MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2024-11-23 01:43:07,672 INFO L158 Benchmark]: TraceAbstraction took 4061.11ms. Allocated memory was 283.1MB in the beginning and 738.2MB in the end (delta: 455.1MB). Free memory was 227.6MB in the beginning and 651.2MB in the end (delta: -423.6MB). Peak memory consumption was 467.7MB. Max. memory is 16.1GB. [2024-11-23 01:43:07,672 INFO L158 Benchmark]: Witness Printer took 125.32ms. Allocated memory is still 738.2MB. Free memory was 651.2MB in the beginning and 644.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-23 01:43:07,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 195.0MB. Free memory was 150.5MB in the beginning and 150.3MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.19ms. Allocated memory is still 195.0MB. Free memory was 121.4MB in the beginning and 151.5MB in the end (delta: -30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.05ms. Allocated memory is still 195.0MB. Free memory was 151.5MB in the beginning and 147.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.81ms. Allocated memory is still 195.0MB. Free memory was 147.3MB in the beginning and 142.0MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 827.62ms. Allocated memory was 195.0MB in the beginning and 283.1MB in the end (delta: 88.1MB). Free memory was 142.0MB in the beginning and 227.6MB in the end (delta: -85.6MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4061.11ms. Allocated memory was 283.1MB in the beginning and 738.2MB in the end (delta: 455.1MB). Free memory was 227.6MB in the beginning and 651.2MB in the end (delta: -423.6MB). Peak memory consumption was 467.7MB. Max. memory is 16.1GB. * Witness Printer took 125.32ms. Allocated memory is still 738.2MB. Free memory was 651.2MB in the beginning and 644.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 834]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 834]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 884]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 884]: 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: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 314 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, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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! [2024-11-23 01:43:07,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE