./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix030_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix030_tso.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 20a2c57970e5e291ffc10826c9a5fbe3296a1e55ae86cfd2b786718aae571bfa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:35:15,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:35:15,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:35:15,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:35:15,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:35:15,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:35:15,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:35:15,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:35:15,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:35:15,583 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:35:15,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:35:15,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:35:15,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:35:15,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:35:15,587 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:35:15,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:35:15,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:35:15,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:35:15,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:35:15,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:35:15,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:35:15,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:35:15,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:35:15,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:35:15,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:35:15,590 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:35:15,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:35:15,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:35:15,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:35:15,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:35:15,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:35:15,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:35:15,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:35:15,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:35:15,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:35:15,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:35:15,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:35:15,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:35:15,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:35:15,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:35:15,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:35:15,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:35:15,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:35:15,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:35:15,594 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a2c57970e5e291ffc10826c9a5fbe3296a1e55ae86cfd2b786718aae571bfa [2024-10-13 16:35:15,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:35:15,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:35:15,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:35:15,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:35:15,808 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:35:15,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix030_tso.i [2024-10-13 16:35:17,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:35:17,286 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:35:17,286 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix030_tso.i [2024-10-13 16:35:17,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0feb17270/59a0e4831d8b4bbfa0f939f1f3443e46/FLAG515d7e165 [2024-10-13 16:35:17,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0feb17270/59a0e4831d8b4bbfa0f939f1f3443e46 [2024-10-13 16:35:17,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:35:17,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:35:17,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:35:17,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:35:17,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:35:17,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a9c514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17, skipping insertion in model container [2024-10-13 16:35:17,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:35:17,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:35:17,675 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:35:17,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:35:17,773 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:35:17,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17 WrapperNode [2024-10-13 16:35:17,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:35:17,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:35:17,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:35:17,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:35:17,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,834 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 173 [2024-10-13 16:35:17,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:35:17,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:35:17,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:35:17,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:35:17,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,881 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]. [2024-10-13 16:35:17,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:35:17,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:35:17,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:35:17,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:35:17,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (1/1) ... [2024-10-13 16:35:17,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:35:17,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:35:17,978 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) [2024-10-13 16:35:17,979 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 [2024-10-13 16:35:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:35:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:35:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 16:35:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 16:35:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 16:35:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 16:35:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-13 16:35:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-13 16:35:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-13 16:35:18,012 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-13 16:35:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:35:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:35:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:35:18,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:35:18,015 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 16:35:18,132 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:35:18,134 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:35:18,400 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:35:18,401 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:35:18,596 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:35:18,596 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:35:18,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:35:18 BoogieIcfgContainer [2024-10-13 16:35:18,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:35:18,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:35:18,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:35:18,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:35:18,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:35:17" (1/3) ... [2024-10-13 16:35:18,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7537f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:35:18, skipping insertion in model container [2024-10-13 16:35:18,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:35:17" (2/3) ... [2024-10-13 16:35:18,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7537f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:35:18, skipping insertion in model container [2024-10-13 16:35:18,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:35:18" (3/3) ... [2024-10-13 16:35:18,605 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_tso.i [2024-10-13 16:35:18,618 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:35:18,618 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:35:18,619 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 16:35:18,668 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 16:35:18,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 118 flow [2024-10-13 16:35:18,716 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-10-13 16:35:18,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:35:18,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 47 events. 0/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 120 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-13 16:35:18,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 118 flow [2024-10-13 16:35:18,722 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 47 transitions, 106 flow [2024-10-13 16:35:18,729 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:35:18,734 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;@125af3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:35:18,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-10-13 16:35:18,738 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:35:18,738 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-13 16:35:18,738 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:35:18,738 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:35:18,739 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:35:18,740 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:35:18,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:35:18,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1848395084, now seen corresponding path program 1 times [2024-10-13 16:35:18,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:35:18,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606193070] [2024-10-13 16:35:18,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:35:18,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:35:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:35:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:35:18,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:35:18,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606193070] [2024-10-13 16:35:18,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606193070] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:35:18,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:35:18,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:35:18,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932556529] [2024-10-13 16:35:18,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:35:18,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:35:18,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:35:19,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:35:19,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:35:19,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-10-13 16:35:19,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:35:19,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:35:19,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-10-13 16:35:19,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:35:21,333 INFO L124 PetriNetUnfolderBase]: 18415/24663 cut-off events. [2024-10-13 16:35:21,334 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-10-13 16:35:21,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49583 conditions, 24663 events. 18415/24663 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 2269. Compared 165517 event pairs, 8671 based on Foata normal form. 0/17275 useless extension candidates. Maximal degree in co-relation 49571. Up to 24529 conditions per place. [2024-10-13 16:35:21,485 INFO L140 encePairwiseOnDemand]: 38/51 looper letters, 47 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-10-13 16:35:21,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 257 flow [2024-10-13 16:35:21,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:35:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:35:21,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2024-10-13 16:35:21,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7450980392156863 [2024-10-13 16:35:21,496 INFO L175 Difference]: Start difference. First operand has 60 places, 47 transitions, 106 flow. Second operand 3 states and 114 transitions. [2024-10-13 16:35:21,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 257 flow [2024-10-13 16:35:21,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 66 transitions, 250 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 16:35:21,503 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 149 flow [2024-10-13 16:35:21,505 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-10-13 16:35:21,507 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-10-13 16:35:21,508 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 149 flow [2024-10-13 16:35:21,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:35:21,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:35:21,508 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:35:21,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:35:21,508 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:35:21,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:35:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash -90049707, now seen corresponding path program 1 times [2024-10-13 16:35:21,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:35:21,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218933507] [2024-10-13 16:35:21,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:35:21,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:35:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:35:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:35:21,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:35:21,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218933507] [2024-10-13 16:35:21,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218933507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:35:21,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:35:21,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:35:21,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324097666] [2024-10-13 16:35:21,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:35:21,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:35:21,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:35:21,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:35:21,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:35:21,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-10-13 16:35:21,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-10-13 16:35:21,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:35:21,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-10-13 16:35:21,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:35:22,825 INFO L124 PetriNetUnfolderBase]: 9201/12445 cut-off events. [2024-10-13 16:35:22,826 INFO L125 PetriNetUnfolderBase]: For 1017/1017 co-relation queries the response was YES. [2024-10-13 16:35:22,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30078 conditions, 12445 events. 9201/12445 cut-off events. For 1017/1017 co-relation queries the response was YES. Maximal size of possible extension queue 1037. Compared 77544 event pairs, 3749 based on Foata normal form. 0/10065 useless extension candidates. Maximal degree in co-relation 30067. Up to 12310 conditions per place. [2024-10-13 16:35:22,899 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 43 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-10-13 16:35:22,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 62 transitions, 265 flow [2024-10-13 16:35:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:35:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:35:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2024-10-13 16:35:22,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2024-10-13 16:35:22,901 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 149 flow. Second operand 4 states and 124 transitions. [2024-10-13 16:35:22,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 62 transitions, 265 flow [2024-10-13 16:35:22,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 62 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:35:22,903 INFO L231 Difference]: Finished difference. Result has 57 places, 47 transitions, 138 flow [2024-10-13 16:35:22,904 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2024-10-13 16:35:22,904 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-10-13 16:35:22,904 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 138 flow [2024-10-13 16:35:22,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-10-13 16:35:22,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:35:22,905 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:35:22,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:35:22,905 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:35:22,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:35:22,906 INFO L85 PathProgramCache]: Analyzing trace with hash -627395822, now seen corresponding path program 1 times [2024-10-13 16:35:22,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:35:22,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885636814] [2024-10-13 16:35:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:35:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:35:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:35:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:35:22,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:35:22,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885636814] [2024-10-13 16:35:22,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885636814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:35:22,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:35:22,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:35:22,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780018239] [2024-10-13 16:35:22,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:35:22,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:35:22,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:35:22,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:35:22,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:35:22,984 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-10-13 16:35:22,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-10-13 16:35:22,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:35:22,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-10-13 16:35:22,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:35:23,798 INFO L124 PetriNetUnfolderBase]: 6279/8631 cut-off events. [2024-10-13 16:35:23,798 INFO L125 PetriNetUnfolderBase]: For 1158/1158 co-relation queries the response was YES. [2024-10-13 16:35:23,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20367 conditions, 8631 events. 6279/8631 cut-off events. For 1158/1158 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 51526 event pairs, 1203 based on Foata normal form. 0/7539 useless extension candidates. Maximal degree in co-relation 20355. Up to 7653 conditions per place. [2024-10-13 16:35:23,849 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 60 selfloop transitions, 9 changer transitions 0/83 dead transitions. [2024-10-13 16:35:23,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 83 transitions, 366 flow [2024-10-13 16:35:23,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:35:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:35:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 145 transitions. [2024-10-13 16:35:23,851 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7107843137254902 [2024-10-13 16:35:23,851 INFO L175 Difference]: Start difference. First operand has 57 places, 47 transitions, 138 flow. Second operand 4 states and 145 transitions. [2024-10-13 16:35:23,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 83 transitions, 366 flow [2024-10-13 16:35:23,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 16:35:23,853 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 190 flow [2024-10-13 16:35:23,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=190, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-10-13 16:35:23,854 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-10-13 16:35:23,854 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 190 flow [2024-10-13 16:35:23,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-10-13 16:35:23,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:35:23,855 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] [2024-10-13 16:35:23,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:35:23,855 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:35:23,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:35:23,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1257067294, now seen corresponding path program 1 times [2024-10-13 16:35:23,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:35:23,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706954179] [2024-10-13 16:35:23,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:35:23,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:35:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:35:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:35:23,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:35:23,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706954179] [2024-10-13 16:35:23,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706954179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:35:23,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:35:23,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:35:23,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096550263] [2024-10-13 16:35:23,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:35:23,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:35:23,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:35:23,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:35:23,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:35:23,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-10-13 16:35:23,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 190 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-10-13 16:35:23,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:35:23,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-10-13 16:35:23,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:35:24,608 INFO L124 PetriNetUnfolderBase]: 4191/5799 cut-off events. [2024-10-13 16:35:24,609 INFO L125 PetriNetUnfolderBase]: For 2871/2871 co-relation queries the response was YES. [2024-10-13 16:35:24,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15724 conditions, 5799 events. 4191/5799 cut-off events. For 2871/2871 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 32239 event pairs, 199 based on Foata normal form. 0/5595 useless extension candidates. Maximal degree in co-relation 15711. Up to 2833 conditions per place. [2024-10-13 16:35:24,639 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 71 selfloop transitions, 13 changer transitions 4/102 dead transitions. [2024-10-13 16:35:24,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 102 transitions, 496 flow [2024-10-13 16:35:24,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:35:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 16:35:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2024-10-13 16:35:24,648 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7137254901960784 [2024-10-13 16:35:24,648 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 190 flow. Second operand 5 states and 182 transitions. [2024-10-13 16:35:24,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 102 transitions, 496 flow [2024-10-13 16:35:24,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 102 transitions, 478 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-10-13 16:35:24,652 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 214 flow [2024-10-13 16:35:24,652 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-10-13 16:35:24,653 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2024-10-13 16:35:24,653 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 214 flow [2024-10-13 16:35:24,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-10-13 16:35:24,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:35:24,653 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, 1, 1, 1, 1, 1, 1] [2024-10-13 16:35:24,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:35:24,654 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:35:24,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:35:24,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1462476359, now seen corresponding path program 1 times [2024-10-13 16:35:24,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:35:24,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578869925] [2024-10-13 16:35:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:35:24,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:35:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:35:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:35:24,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:35:24,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578869925] [2024-10-13 16:35:24,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578869925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:35:24,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:35:24,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:35:24,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579755380] [2024-10-13 16:35:24,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:35:24,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:35:24,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:35:24,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:35:24,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:35:24,810 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-10-13 16:35:24,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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) [2024-10-13 16:35:24,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:35:24,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-10-13 16:35:24,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:35:25,328 INFO L124 PetriNetUnfolderBase]: 3375/4695 cut-off events. [2024-10-13 16:35:25,329 INFO L125 PetriNetUnfolderBase]: For 5447/5447 co-relation queries the response was YES. [2024-10-13 16:35:25,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13553 conditions, 4695 events. 3375/4695 cut-off events. For 5447/5447 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 26544 event pairs, 55 based on Foata normal form. 192/4875 useless extension candidates. Maximal degree in co-relation 13539. Up to 1988 conditions per place. [2024-10-13 16:35:25,340 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2024-10-13 16:35:25,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 94 transitions, 448 flow [2024-10-13 16:35:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:35:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 16:35:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 192 transitions. [2024-10-13 16:35:25,341 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6274509803921569 [2024-10-13 16:35:25,342 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 214 flow. Second operand 6 states and 192 transitions. [2024-10-13 16:35:25,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 94 transitions, 448 flow [2024-10-13 16:35:25,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 94 transitions, 393 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-13 16:35:25,360 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-10-13 16:35:25,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-10-13 16:35:25,361 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-10-13 16:35:25,361 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-10-13 16:35:25,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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) [2024-10-13 16:35:25,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-10-13 16:35:25,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-10-13 16:35:25,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-10-13 16:35:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-10-13 16:35:25,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-10-13 16:35:25,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-10-13 16:35:25,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-10-13 16:35:25,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-10-13 16:35:25,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-10-13 16:35:25,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-10-13 16:35:25,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-10-13 16:35:25,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-10-13 16:35:25,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:35:25,368 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 16:35:25,373 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 16:35:25,374 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:35:25,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:35:25 BasicIcfg [2024-10-13 16:35:25,378 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:35:25,379 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:35:25,379 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:35:25,379 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:35:25,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:35:18" (3/4) ... [2024-10-13 16:35:25,381 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:35:25,383 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-13 16:35:25,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-13 16:35:25,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-13 16:35:25,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-10-13 16:35:25,389 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 97 nodes and edges [2024-10-13 16:35:25,389 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-13 16:35:25,389 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 16:35:25,389 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 16:35:25,467 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:35:25,467 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 16:35:25,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:35:25,468 INFO L158 Benchmark]: Toolchain (without parser) took 8158.73ms. Allocated memory was 155.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 97.7MB in the beginning and 983.6MB in the end (delta: -885.8MB). Peak memory consumption was 437.4MB. Max. memory is 16.1GB. [2024-10-13 16:35:25,468 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 155.2MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:35:25,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.24ms. Allocated memory is still 155.2MB. Free memory was 97.3MB in the beginning and 70.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-13 16:35:25,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.12ms. Allocated memory is still 155.2MB. Free memory was 70.0MB in the beginning and 66.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:35:25,469 INFO L158 Benchmark]: Boogie Preprocessor took 86.06ms. Allocated memory is still 155.2MB. Free memory was 66.7MB in the beginning and 123.3MB in the end (delta: -56.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-10-13 16:35:25,469 INFO L158 Benchmark]: RCFGBuilder took 669.83ms. Allocated memory was 155.2MB in the beginning and 228.6MB in the end (delta: 73.4MB). Free memory was 123.2MB in the beginning and 132.0MB in the end (delta: -8.8MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2024-10-13 16:35:25,470 INFO L158 Benchmark]: TraceAbstraction took 6780.36ms. Allocated memory was 228.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 131.0MB in the beginning and 988.8MB in the end (delta: -857.8MB). Peak memory consumption was 741.2MB. Max. memory is 16.1GB. [2024-10-13 16:35:25,470 INFO L158 Benchmark]: Witness Printer took 88.69ms. Allocated memory is still 1.5GB. Free memory was 988.8MB in the beginning and 983.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:35:25,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 155.2MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.24ms. Allocated memory is still 155.2MB. Free memory was 97.3MB in the beginning and 70.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.12ms. Allocated memory is still 155.2MB. Free memory was 70.0MB in the beginning and 66.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.06ms. Allocated memory is still 155.2MB. Free memory was 66.7MB in the beginning and 123.3MB in the end (delta: -56.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * RCFGBuilder took 669.83ms. Allocated memory was 155.2MB in the beginning and 228.6MB in the end (delta: 73.4MB). Free memory was 123.2MB in the beginning and 132.0MB in the end (delta: -8.8MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6780.36ms. Allocated memory was 228.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 131.0MB in the beginning and 988.8MB in the end (delta: -857.8MB). Peak memory consumption was 741.2MB. Max. memory is 16.1GB. * Witness Printer took 88.69ms. Allocated memory is still 1.5GB. Free memory was 988.8MB in the beginning and 983.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 837]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 837]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 93 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 451 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 16:35:25,495 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