./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/mix044_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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/mix044_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 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:48:09,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:48:09,242 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:48:09,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:48:09,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:48:09,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:48:09,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:48:09,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:48:09,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:48:09,261 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:48:09,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:48:09,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:48:09,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:48:09,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:48:09,263 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:48:09,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:48:09,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:48:09,263 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:48:09,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:48:09,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:48:09,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:48:09,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:48:09,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:48:09,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:48:09,265 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:48:09,266 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:48:09,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:48:09,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:48:09,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:48:09,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:48:09,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:48:09,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:48:09,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:48:09,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:48:09,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:48:09,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:48:09,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:48:09,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:48:09,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:48:09,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:48:09,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:48:09,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:48:09,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:48:09,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:48:09,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 [2024-11-20 21:48:09,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:48:09,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:48:09,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:48:09,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:48:09,503 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:48:09,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2024-11-20 21:48:10,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:48:11,060 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:48:11,061 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2024-11-20 21:48:11,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7feb8e8/a0d9e85821c34451894e85ba4da58f50/FLAG0ad7c7217 [2024-11-20 21:48:11,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7feb8e8/a0d9e85821c34451894e85ba4da58f50 [2024-11-20 21:48:11,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:48:11,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:48:11,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:48:11,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:48:11,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:48:11,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49973b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11, skipping insertion in model container [2024-11-20 21:48:11,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:48:11,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:48:11,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:48:11,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:48:11,659 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:48:11,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11 WrapperNode [2024-11-20 21:48:11,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:48:11,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:48:11,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:48:11,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:48:11,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,714 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 153 [2024-11-20 21:48:11,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:48:11,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:48:11,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:48:11,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:48:11,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,753 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]. [2024-11-20 21:48:11,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:48:11,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:48:11,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:48:11,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:48:11,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (1/1) ... [2024-11-20 21:48:11,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:48:11,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:48:11,802 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) [2024-11-20 21:48:11,805 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 [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 21:48:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 21:48:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 21:48:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-20 21:48:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 21:48:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:48:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:48:11,842 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 21:48:11,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:48:11,972 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:48:12,240 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:48:12,240 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:48:12,425 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:48:12,425 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:48:12,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:48:12 BoogieIcfgContainer [2024-11-20 21:48:12,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:48:12,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:48:12,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:48:12,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:48:12,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:48:11" (1/3) ... [2024-11-20 21:48:12,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188de2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:48:12, skipping insertion in model container [2024-11-20 21:48:12,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:11" (2/3) ... [2024-11-20 21:48:12,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188de2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:48:12, skipping insertion in model container [2024-11-20 21:48:12,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:48:12" (3/3) ... [2024-11-20 21:48:12,466 INFO L112 eAbstractionObserver]: Analyzing ICFG mix044_tso.oepc.i [2024-11-20 21:48:12,479 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:48:12,479 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 21:48:12,479 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:48:12,520 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 21:48:12,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2024-11-20 21:48:12,568 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-20 21:48:12,568 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:48:12,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 120 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-20 21:48:12,570 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2024-11-20 21:48:12,572 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2024-11-20 21:48:12,579 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:48:12,584 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;@7843d9fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:48:12,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-20 21:48:12,589 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:48:12,589 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-20 21:48:12,589 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:48:12,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:12,590 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:12,591 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:12,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:12,595 INFO L85 PathProgramCache]: Analyzing trace with hash -688679481, now seen corresponding path program 1 times [2024-11-20 21:48:12,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:12,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163219124] [2024-11-20 21:48:12,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:12,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:12,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:12,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163219124] [2024-11-20 21:48:12,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163219124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:12,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:12,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 21:48:12,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403764755] [2024-11-20 21:48:12,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:12,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:48:12,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:12,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:48:12,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:48:12,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-20 21:48:12,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-11-20 21:48:12,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:12,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-20 21:48:12,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:16,203 INFO L124 PetriNetUnfolderBase]: 23093/30931 cut-off events. [2024-11-20 21:48:16,204 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-20 21:48:16,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62193 conditions, 30931 events. 23093/30931 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 1684. Compared 188292 event pairs, 9825 based on Foata normal form. 0/22194 useless extension candidates. Maximal degree in co-relation 62181. Up to 30293 conditions per place. [2024-11-20 21:48:16,418 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 49 selfloop transitions, 5 changer transitions 0/68 dead transitions. [2024-11-20 21:48:16,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 68 transitions, 265 flow [2024-11-20 21:48:16,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:48:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 21:48:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2024-11-20 21:48:16,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7435897435897436 [2024-11-20 21:48:16,430 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 116 transitions. [2024-11-20 21:48:16,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 68 transitions, 265 flow [2024-11-20 21:48:16,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 68 transitions, 258 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 21:48:16,440 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2024-11-20 21:48:16,443 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-20 21:48:16,446 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-20 21:48:16,447 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2024-11-20 21:48:16,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-11-20 21:48:16,447 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:16,447 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:16,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:48:16,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:16,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:16,449 INFO L85 PathProgramCache]: Analyzing trace with hash -953592305, now seen corresponding path program 1 times [2024-11-20 21:48:16,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:16,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247829807] [2024-11-20 21:48:16,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:16,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:16,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:16,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247829807] [2024-11-20 21:48:16,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247829807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:16,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:16,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:48:16,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039389574] [2024-11-20 21:48:16,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:16,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:48:16,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:16,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:48:16,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:48:16,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-20 21:48:16,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-20 21:48:16,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:16,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-20 21:48:16,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:18,293 INFO L124 PetriNetUnfolderBase]: 12535/16949 cut-off events. [2024-11-20 21:48:18,297 INFO L125 PetriNetUnfolderBase]: For 1309/1309 co-relation queries the response was YES. [2024-11-20 21:48:18,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40224 conditions, 16949 events. 12535/16949 cut-off events. For 1309/1309 co-relation queries the response was YES. Maximal size of possible extension queue 993. Compared 99768 event pairs, 4513 based on Foata normal form. 0/13862 useless extension candidates. Maximal degree in co-relation 40213. Up to 16310 conditions per place. [2024-11-20 21:48:18,414 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 45 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-11-20 21:48:18,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 64 transitions, 273 flow [2024-11-20 21:48:18,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:48:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:48:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-11-20 21:48:18,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6057692307692307 [2024-11-20 21:48:18,421 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 126 transitions. [2024-11-20 21:48:18,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 64 transitions, 273 flow [2024-11-20 21:48:18,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 64 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:48:18,423 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow [2024-11-20 21:48:18,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2024-11-20 21:48:18,424 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-20 21:48:18,424 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow [2024-11-20 21:48:18,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-20 21:48:18,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:18,425 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:18,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:48:18,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:18,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:18,426 INFO L85 PathProgramCache]: Analyzing trace with hash -953592304, now seen corresponding path program 1 times [2024-11-20 21:48:18,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:18,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695456557] [2024-11-20 21:48:18,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:18,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:18,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:18,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695456557] [2024-11-20 21:48:18,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695456557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:18,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:18,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:48:18,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170276687] [2024-11-20 21:48:18,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:18,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:48:18,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:18,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:48:18,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:48:18,501 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-20 21:48:18,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-20 21:48:18,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:18,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-20 21:48:18,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:19,911 INFO L124 PetriNetUnfolderBase]: 8713/11959 cut-off events. [2024-11-20 21:48:19,911 INFO L125 PetriNetUnfolderBase]: For 1778/1778 co-relation queries the response was YES. [2024-11-20 21:48:19,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27753 conditions, 11959 events. 8713/11959 cut-off events. For 1778/1778 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 68990 event pairs, 1553 based on Foata normal form. 0/10554 useless extension candidates. Maximal degree in co-relation 27741. Up to 9229 conditions per place. [2024-11-20 21:48:19,958 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 63 selfloop transitions, 9 changer transitions 0/86 dead transitions. [2024-11-20 21:48:19,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 86 transitions, 378 flow [2024-11-20 21:48:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:48:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:48:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 148 transitions. [2024-11-20 21:48:19,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7115384615384616 [2024-11-20 21:48:19,960 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 148 transitions. [2024-11-20 21:48:19,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 86 transitions, 378 flow [2024-11-20 21:48:19,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 86 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 21:48:19,962 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow [2024-11-20 21:48:19,962 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-20 21:48:19,963 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-20 21:48:19,963 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow [2024-11-20 21:48:19,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-20 21:48:19,963 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:19,963 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:19,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:48:19,963 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:19,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:19,964 INFO L85 PathProgramCache]: Analyzing trace with hash 619476860, now seen corresponding path program 1 times [2024-11-20 21:48:19,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:19,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713364025] [2024-11-20 21:48:19,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:19,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:20,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:20,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713364025] [2024-11-20 21:48:20,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713364025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:20,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:20,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:48:20,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691256941] [2024-11-20 21:48:20,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:20,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:48:20,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:20,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:48:20,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:48:20,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-20 21:48:20,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-11-20 21:48:20,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:20,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-20 21:48:20,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:20,897 INFO L124 PetriNetUnfolderBase]: 6421/8851 cut-off events. [2024-11-20 21:48:20,898 INFO L125 PetriNetUnfolderBase]: For 4257/4257 co-relation queries the response was YES. [2024-11-20 21:48:20,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23198 conditions, 8851 events. 6421/8851 cut-off events. For 4257/4257 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 49829 event pairs, 489 based on Foata normal form. 0/8425 useless extension candidates. Maximal degree in co-relation 23185. Up to 3065 conditions per place. [2024-11-20 21:48:20,935 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 75 selfloop transitions, 13 changer transitions 4/106 dead transitions. [2024-11-20 21:48:20,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 106 transitions, 512 flow [2024-11-20 21:48:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:48:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 21:48:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2024-11-20 21:48:20,937 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7153846153846154 [2024-11-20 21:48:20,937 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 186 transitions. [2024-11-20 21:48:20,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 106 transitions, 512 flow [2024-11-20 21:48:20,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 106 transitions, 494 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-20 21:48:20,941 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2024-11-20 21:48:20,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2024-11-20 21:48:20,945 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2024-11-20 21:48:20,946 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2024-11-20 21:48:20,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-11-20 21:48:20,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:20,946 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, 1] [2024-11-20 21:48:20,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:48:20,947 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:20,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:20,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1808121028, now seen corresponding path program 1 times [2024-11-20 21:48:20,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:20,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518237016] [2024-11-20 21:48:20,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:20,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:21,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:21,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518237016] [2024-11-20 21:48:21,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518237016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:21,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:21,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:48:21,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625262750] [2024-11-20 21:48:21,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:21,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:48:21,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:21,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:48:21,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:48:21,089 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-20 21:48:21,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 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) [2024-11-20 21:48:21,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:21,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-20 21:48:21,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:22,098 INFO L124 PetriNetUnfolderBase]: 5605/7747 cut-off events. [2024-11-20 21:48:22,099 INFO L125 PetriNetUnfolderBase]: For 7457/7457 co-relation queries the response was YES. [2024-11-20 21:48:22,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21091 conditions, 7747 events. 5605/7747 cut-off events. For 7457/7457 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 45169 event pairs, 345 based on Foata normal form. 192/7705 useless extension candidates. Maximal degree in co-relation 21077. Up to 3056 conditions per place. [2024-11-20 21:48:22,121 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2024-11-20 21:48:22,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 98 transitions, 464 flow [2024-11-20 21:48:22,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:48:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 21:48:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 196 transitions. [2024-11-20 21:48:22,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2024-11-20 21:48:22,124 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 196 transitions. [2024-11-20 21:48:22,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 98 transitions, 464 flow [2024-11-20 21:48:22,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 98 transitions, 409 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-20 21:48:22,196 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-20 21:48:22,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-11-20 21:48:22,198 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-20 21:48:22,199 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-20 21:48:22,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 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) [2024-11-20 21:48:22,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-20 21:48:22,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-20 21:48:22,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-20 21:48:22,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-20 21:48:22,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-20 21:48:22,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-20 21:48:22,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-20 21:48:22,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-20 21:48:22,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-20 21:48:22,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-20 21:48:22,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-20 21:48:22,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-20 21:48:22,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-20 21:48:22,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-20 21:48:22,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-20 21:48:22,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-20 21:48:22,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-20 21:48:22,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-20 21:48:22,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-20 21:48:22,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-20 21:48:22,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:48:22,205 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 21:48:22,213 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:48:22,213 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:48:22,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:48:22 BasicIcfg [2024-11-20 21:48:22,219 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:48:22,220 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:48:22,220 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:48:22,220 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:48:22,221 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:48:12" (3/4) ... [2024-11-20 21:48:22,223 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:48:22,225 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 21:48:22,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 21:48:22,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 21:48:22,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-20 21:48:22,231 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2024-11-20 21:48:22,232 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-20 21:48:22,233 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 21:48:22,233 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 21:48:22,322 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:48:22,325 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:48:22,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:48:22,325 INFO L158 Benchmark]: Toolchain (without parser) took 11229.14ms. Allocated memory was 169.9MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 100.6MB in the beginning and 7.0GB in the end (delta: -6.9GB). Peak memory consumption was 582.2MB. Max. memory is 16.1GB. [2024-11-20 21:48:22,325 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 102.8MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:48:22,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.93ms. Allocated memory is still 169.9MB. Free memory was 100.3MB in the beginning and 119.4MB in the end (delta: -19.0MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-20 21:48:22,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.69ms. Allocated memory is still 169.9MB. Free memory was 119.4MB in the beginning and 116.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 21:48:22,326 INFO L158 Benchmark]: Boogie Preprocessor took 59.33ms. Allocated memory is still 169.9MB. Free memory was 116.4MB in the beginning and 113.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:48:22,326 INFO L158 Benchmark]: RCFGBuilder took 650.70ms. Allocated memory is still 169.9MB. Free memory was 112.9MB in the beginning and 50.2MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-20 21:48:22,326 INFO L158 Benchmark]: TraceAbstraction took 9758.06ms. Allocated memory was 169.9MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 137.9MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-20 21:48:22,326 INFO L158 Benchmark]: Witness Printer took 105.22ms. Allocated memory is still 7.6GB. Free memory was 7.0GB in the beginning and 7.0GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 21:48:22,329 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 102.8MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 561.93ms. Allocated memory is still 169.9MB. Free memory was 100.3MB in the beginning and 119.4MB in the end (delta: -19.0MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.69ms. Allocated memory is still 169.9MB. Free memory was 119.4MB in the beginning and 116.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.33ms. Allocated memory is still 169.9MB. Free memory was 116.4MB in the beginning and 113.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 650.70ms. Allocated memory is still 169.9MB. Free memory was 112.9MB in the beginning and 50.2MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9758.06ms. Allocated memory was 169.9MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 137.9MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 105.22ms. Allocated memory is still 7.6GB. Free memory was 7.0GB in the beginning and 7.0GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: 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, 95 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: 9.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 233 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 223 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 466 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=216occurred 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, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 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! [2024-11-20 21:48:22,345 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