./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix018.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix018.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:37:17,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:37:17,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:37:17,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:37:17,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:37:17,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:37:17,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:37:17,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:37:17,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:37:17,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:37:17,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:37:17,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:37:17,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:37:17,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:37:17,968 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:37:17,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:37:17,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:37:17,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:37:17,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:37:17,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:37:17,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:37:17,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:37:17,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:37:17,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:37:17,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:37:17,972 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:37:17,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:37:17,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:37:17,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:37:17,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:37:17,973 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:37:17,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:37:17,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:37:17,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:37:17,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:37:17,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:37:17,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:37:17,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:37:17,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:37:17,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:37:17,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:37:17,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:37:17,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:37:17,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:37:17,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 [2024-11-17 07:37:18,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:37:18,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:37:18,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:37:18,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:37:18,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:37:18,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix018.opt.i [2024-11-17 07:37:19,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:37:19,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:37:19,655 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix018.opt.i [2024-11-17 07:37:19,673 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/253e8a89d/6fd860757cab4072b9b551e79be6b0ec/FLAGc99d9bccf [2024-11-17 07:37:19,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/253e8a89d/6fd860757cab4072b9b551e79be6b0ec [2024-11-17 07:37:19,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:37:19,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:37:19,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:37:19,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:37:19,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:37:19,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:37:19" (1/1) ... [2024-11-17 07:37:19,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38053c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:19, skipping insertion in model container [2024-11-17 07:37:19,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:37:19" (1/1) ... [2024-11-17 07:37:19,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:37:20,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:37:20,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:37:20,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:37:20,161 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:37:20,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20 WrapperNode [2024-11-17 07:37:20,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:37:20,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:37:20,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:37:20,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:37:20,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,209 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 156 [2024-11-17 07:37:20,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:37:20,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:37:20,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:37:20,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:37:20,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,250 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]. [2024-11-17 07:37:20,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,260 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:37:20,271 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:37:20,271 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:37:20,271 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:37:20,271 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (1/1) ... [2024-11-17 07:37:20,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:37:20,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:37:20,295 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) [2024-11-17 07:37:20,298 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 [2024-11-17 07:37:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 07:37:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:37:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 07:37:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 07:37:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 07:37:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 07:37:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 07:37:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 07:37:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-17 07:37:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-17 07:37:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:37:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 07:37:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:37:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:37:20,337 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 07:37:20,459 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:37:20,461 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:37:20,722 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 07:37:20,723 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:37:21,047 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:37:21,048 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:37:21,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:37:21 BoogieIcfgContainer [2024-11-17 07:37:21,048 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:37:21,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:37:21,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:37:21,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:37:21,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:37:19" (1/3) ... [2024-11-17 07:37:21,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4201c17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:37:21, skipping insertion in model container [2024-11-17 07:37:21,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:37:20" (2/3) ... [2024-11-17 07:37:21,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4201c17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:37:21, skipping insertion in model container [2024-11-17 07:37:21,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:37:21" (3/3) ... [2024-11-17 07:37:21,058 INFO L112 eAbstractionObserver]: Analyzing ICFG mix018.opt.i [2024-11-17 07:37:21,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:37:21,071 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 07:37:21,071 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 07:37:21,110 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 07:37:21,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 118 flow [2024-11-17 07:37:21,165 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-17 07:37:21,165 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:37:21,166 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 123 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. [2024-11-17 07:37:21,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 118 flow [2024-11-17 07:37:21,168 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 47 transitions, 106 flow [2024-11-17 07:37:21,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:37:21,179 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;@4ebf14a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:37:21,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-17 07:37:21,182 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 07:37:21,183 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-17 07:37:21,183 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:37:21,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:37:21,183 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:37:21,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:37:21,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:37:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash -582737266, now seen corresponding path program 1 times [2024-11-17 07:37:21,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:37:21,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382407953] [2024-11-17 07:37:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:37:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:37:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:37:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:37:21,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:37:21,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382407953] [2024-11-17 07:37:21,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382407953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:37:21,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:37:21,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 07:37:21,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720505449] [2024-11-17 07:37:21,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:37:21,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:37:21,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:37:21,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:37:21,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:37:21,426 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-17 07:37:21,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-17 07:37:21,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:37:21,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-17 07:37:21,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:37:28,462 INFO L124 PetriNetUnfolderBase]: 78483/103251 cut-off events. [2024-11-17 07:37:28,462 INFO L125 PetriNetUnfolderBase]: For 386/386 co-relation queries the response was YES. [2024-11-17 07:37:28,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207295 conditions, 103251 events. 78483/103251 cut-off events. For 386/386 co-relation queries the response was YES. Maximal size of possible extension queue 2987. Compared 622286 event pairs, 25911 based on Foata normal form. 0/85104 useless extension candidates. Maximal degree in co-relation 207283. Up to 93953 conditions per place. [2024-11-17 07:37:29,206 INFO L140 encePairwiseOnDemand]: 38/51 looper letters, 67 selfloop transitions, 5 changer transitions 0/76 dead transitions. [2024-11-17 07:37:29,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 76 transitions, 317 flow [2024-11-17 07:37:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:37:29,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 07:37:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2024-11-17 07:37:29,217 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6797385620915033 [2024-11-17 07:37:29,219 INFO L175 Difference]: Start difference. First operand has 60 places, 47 transitions, 106 flow. Second operand 3 states and 104 transitions. [2024-11-17 07:37:29,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 76 transitions, 317 flow [2024-11-17 07:37:29,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 76 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 07:37:29,242 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 149 flow [2024-11-17 07:37:29,243 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} [2024-11-17 07:37:29,248 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-17 07:37:29,249 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 149 flow [2024-11-17 07:37:29,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-17 07:37:29,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:37:29,249 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:37:29,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:37:29,250 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:37:29,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:37:29,251 INFO L85 PathProgramCache]: Analyzing trace with hash -44283197, now seen corresponding path program 1 times [2024-11-17 07:37:29,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:37:29,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799644219] [2024-11-17 07:37:29,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:37:29,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:37:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:37:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:37:29,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:37:29,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799644219] [2024-11-17 07:37:29,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799644219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:37:29,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:37:29,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:37:29,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695555979] [2024-11-17 07:37:29,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:37:29,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:37:29,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:37:29,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:37:29,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:37:29,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-17 07:37:29,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-17 07:37:29,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:37:29,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-17 07:37:29,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:37:33,789 INFO L124 PetriNetUnfolderBase]: 53386/70276 cut-off events. [2024-11-17 07:37:33,789 INFO L125 PetriNetUnfolderBase]: For 4317/4317 co-relation queries the response was YES. [2024-11-17 07:37:33,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159184 conditions, 70276 events. 53386/70276 cut-off events. For 4317/4317 co-relation queries the response was YES. Maximal size of possible extension queue 2057. Compared 409309 event pairs, 16102 based on Foata normal form. 0/63473 useless extension candidates. Maximal degree in co-relation 159173. Up to 60977 conditions per place. [2024-11-17 07:37:34,440 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 63 selfloop transitions, 5 changer transitions 0/72 dead transitions. [2024-11-17 07:37:34,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 72 transitions, 325 flow [2024-11-17 07:37:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:37:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:37:34,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2024-11-17 07:37:34,442 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5098039215686274 [2024-11-17 07:37:34,442 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 149 flow. Second operand 4 states and 104 transitions. [2024-11-17 07:37:34,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 72 transitions, 325 flow [2024-11-17 07:37:34,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 72 transitions, 320 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 07:37:34,454 INFO L231 Difference]: Finished difference. Result has 57 places, 47 transitions, 138 flow [2024-11-17 07:37:34,455 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} [2024-11-17 07:37:34,455 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-17 07:37:34,455 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 138 flow [2024-11-17 07:37:34,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-17 07:37:34,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:37:34,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:37:34,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:37:34,456 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:37:34,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:37:34,457 INFO L85 PathProgramCache]: Analyzing trace with hash -44283196, now seen corresponding path program 1 times [2024-11-17 07:37:34,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:37:34,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955765640] [2024-11-17 07:37:34,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:37:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:37:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:37:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:37:34,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:37:34,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955765640] [2024-11-17 07:37:34,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955765640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:37:34,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:37:34,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:37:34,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516370084] [2024-11-17 07:37:34,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:37:34,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:37:34,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:37:34,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:37:34,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:37:34,528 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-17 07:37:34,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-17 07:37:34,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:37:34,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-17 07:37:34,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:37:37,937 INFO L124 PetriNetUnfolderBase]: 40367/53347 cut-off events. [2024-11-17 07:37:37,937 INFO L125 PetriNetUnfolderBase]: For 8012/8012 co-relation queries the response was YES. [2024-11-17 07:37:38,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118843 conditions, 53347 events. 40367/53347 cut-off events. For 8012/8012 co-relation queries the response was YES. Maximal size of possible extension queue 1468. Compared 302317 event pairs, 8821 based on Foata normal form. 0/51292 useless extension candidates. Maximal degree in co-relation 118831. Up to 25633 conditions per place. [2024-11-17 07:37:38,161 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 90 selfloop transitions, 9 changer transitions 0/103 dead transitions. [2024-11-17 07:37:38,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 103 transitions, 466 flow [2024-11-17 07:37:38,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:37:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:37:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2024-11-17 07:37:38,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6617647058823529 [2024-11-17 07:37:38,163 INFO L175 Difference]: Start difference. First operand has 57 places, 47 transitions, 138 flow. Second operand 4 states and 135 transitions. [2024-11-17 07:37:38,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 103 transitions, 466 flow [2024-11-17 07:37:38,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 103 transitions, 460 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 07:37:38,172 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 190 flow [2024-11-17 07:37:38,172 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} [2024-11-17 07:37:38,173 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-17 07:37:38,173 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 190 flow [2024-11-17 07:37:38,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-17 07:37:38,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:37:38,173 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] [2024-11-17 07:37:38,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:37:38,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:37:38,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:37:38,174 INFO L85 PathProgramCache]: Analyzing trace with hash -620212168, now seen corresponding path program 1 times [2024-11-17 07:37:38,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:37:38,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129966410] [2024-11-17 07:37:38,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:37:38,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:37:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:37:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:37:38,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:37:38,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129966410] [2024-11-17 07:37:38,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129966410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:37:38,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:37:38,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:37:38,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410384750] [2024-11-17 07:37:38,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:37:38,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:37:38,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:37:38,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:37:38,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:37:38,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-17 07:37:38,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 190 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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) [2024-11-17 07:37:38,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:37:38,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-17 07:37:38,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:37:41,680 INFO L124 PetriNetUnfolderBase]: 35759/47119 cut-off events. [2024-11-17 07:37:41,681 INFO L125 PetriNetUnfolderBase]: For 18984/18984 co-relation queries the response was YES. [2024-11-17 07:37:41,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114638 conditions, 47119 events. 35759/47119 cut-off events. For 18984/18984 co-relation queries the response was YES. Maximal size of possible extension queue 1417. Compared 263808 event pairs, 7023 based on Foata normal form. 0/46852 useless extension candidates. Maximal degree in co-relation 114625. Up to 18416 conditions per place. [2024-11-17 07:37:41,943 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 111 selfloop transitions, 13 changer transitions 4/132 dead transitions. [2024-11-17 07:37:41,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 132 transitions, 636 flow [2024-11-17 07:37:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:37:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 07:37:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 172 transitions. [2024-11-17 07:37:41,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6745098039215687 [2024-11-17 07:37:41,948 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 190 flow. Second operand 5 states and 172 transitions. [2024-11-17 07:37:41,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 132 transitions, 636 flow [2024-11-17 07:37:41,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 132 transitions, 618 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-17 07:37:41,976 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 214 flow [2024-11-17 07:37:41,977 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} [2024-11-17 07:37:41,977 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2024-11-17 07:37:41,978 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 214 flow [2024-11-17 07:37:41,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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) [2024-11-17 07:37:41,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:37:41,978 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] [2024-11-17 07:37:41,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:37:41,978 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:37:41,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:37:41,978 INFO L85 PathProgramCache]: Analyzing trace with hash -269160701, now seen corresponding path program 1 times [2024-11-17 07:37:41,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:37:41,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440916322] [2024-11-17 07:37:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:37:41,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:37:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:37:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:37:42,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:37:42,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440916322] [2024-11-17 07:37:42,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440916322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:37:42,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:37:42,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:37:42,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32198921] [2024-11-17 07:37:42,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:37:42,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:37:42,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:37:42,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:37:42,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:37:42,162 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-17 07:37:42,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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) [2024-11-17 07:37:42,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:37:42,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-17 07:37:42,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:37:45,607 INFO L124 PetriNetUnfolderBase]: 34799/45823 cut-off events. [2024-11-17 07:37:45,607 INFO L125 PetriNetUnfolderBase]: For 28480/28480 co-relation queries the response was YES. [2024-11-17 07:37:45,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113169 conditions, 45823 events. 34799/45823 cut-off events. For 28480/28480 co-relation queries the response was YES. Maximal size of possible extension queue 1417. Compared 256946 event pairs, 6855 based on Foata normal form. 224/46004 useless extension candidates. Maximal degree in co-relation 113155. Up to 18416 conditions per place. [2024-11-17 07:37:45,715 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2024-11-17 07:37:45,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 124 transitions, 588 flow [2024-11-17 07:37:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:37:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 07:37:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 172 transitions. [2024-11-17 07:37:45,717 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5620915032679739 [2024-11-17 07:37:45,718 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 214 flow. Second operand 6 states and 172 transitions. [2024-11-17 07:37:45,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 124 transitions, 588 flow [2024-11-17 07:37:46,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 124 transitions, 533 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-17 07:37:46,942 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-11-17 07:37:46,943 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} [2024-11-17 07:37:46,943 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-17 07:37:46,943 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-11-17 07:37:46,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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) [2024-11-17 07:37:46,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-17 07:37:46,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-17 07:37:46,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-17 07:37:46,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-17 07:37:46,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-17 07:37:46,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-17 07:37:46,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-17 07:37:46,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-17 07:37:46,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-17 07:37:46,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-17 07:37:46,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-17 07:37:46,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-17 07:37:46,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:37:46,949 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-17 07:37:46,953 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 07:37:46,953 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:37:46,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:37:46 BasicIcfg [2024-11-17 07:37:46,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:37:46,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:37:46,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:37:46,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:37:46,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:37:21" (3/4) ... [2024-11-17 07:37:46,959 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 07:37:46,961 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-17 07:37:46,961 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-17 07:37:46,961 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-17 07:37:46,961 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-17 07:37:46,964 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-11-17 07:37:46,964 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-17 07:37:46,965 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-17 07:37:46,965 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 07:37:47,041 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 07:37:47,042 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 07:37:47,042 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:37:47,042 INFO L158 Benchmark]: Toolchain (without parser) took 27352.08ms. Allocated memory was 186.6MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 114.6MB in the beginning and 11.0GB in the end (delta: -10.9GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-17 07:37:47,043 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 127.9MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:37:47,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.09ms. Allocated memory is still 186.6MB. Free memory was 114.6MB in the beginning and 87.8MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-17 07:37:47,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.02ms. Allocated memory is still 186.6MB. Free memory was 87.8MB in the beginning and 84.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:37:47,043 INFO L158 Benchmark]: Boogie Preprocessor took 60.53ms. Allocated memory is still 186.6MB. Free memory was 84.7MB in the beginning and 81.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:37:47,044 INFO L158 Benchmark]: IcfgBuilder took 777.91ms. Allocated memory is still 186.6MB. Free memory was 81.0MB in the beginning and 110.6MB in the end (delta: -29.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-17 07:37:47,044 INFO L158 Benchmark]: TraceAbstraction took 25906.69ms. Allocated memory was 186.6MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 110.6MB in the beginning and 11.0GB in the end (delta: -10.9GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-17 07:37:47,044 INFO L158 Benchmark]: Witness Printer took 84.53ms. Allocated memory is still 13.2GB. Free memory was 11.0GB in the beginning and 11.0GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:37:47,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 127.9MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.09ms. Allocated memory is still 186.6MB. Free memory was 114.6MB in the beginning and 87.8MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.02ms. Allocated memory is still 186.6MB. Free memory was 87.8MB in the beginning and 84.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.53ms. Allocated memory is still 186.6MB. Free memory was 84.7MB in the beginning and 81.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 777.91ms. Allocated memory is still 186.6MB. Free memory was 81.0MB in the beginning and 110.6MB in the end (delta: -29.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 25906.69ms. Allocated memory was 186.6MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 110.6MB in the beginning and 11.0GB in the end (delta: -10.9GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 84.53ms. Allocated memory is still 13.2GB. Free memory was 11.0GB in the beginning and 11.0GB 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: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: 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: 25.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 320 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 599 IncrementalHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 599 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! [2024-11-17 07:37:47,082 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