./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/mix055_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/mix055_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 9ec75f624fee0326f6dc01ebf4c0afe8f65e83cfa5c5726cd79e55765f7366f9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:48:33,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:48:33,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:48:33,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:48:33,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:48:33,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:48:33,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:48:33,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:48:33,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:48:33,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:48:33,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:48:33,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:48:33,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:48:33,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:48:33,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:48:33,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:48:33,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:48:33,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:48:33,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:48:33,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:48:33,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:48:33,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:48:33,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:48:33,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:48:33,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:48:33,391 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:48:33,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:48:33,391 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:48:33,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:48:33,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:48:33,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:48:33,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:48:33,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:48:33,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:48:33,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:48:33,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:48:33,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:48:33,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:48:33,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:48:33,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:48:33,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:48:33,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:48:33,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:48:33,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:48:33,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec75f624fee0326f6dc01ebf4c0afe8f65e83cfa5c5726cd79e55765f7366f9 [2024-11-20 21:48:33,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:48:33,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:48:33,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:48:33,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:48:33,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:48:33,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i [2024-11-20 21:48:35,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:48:35,503 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:48:35,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i [2024-11-20 21:48:35,515 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b491f6e50/dc8903a3c76c4bbebeb142c04db23470/FLAGc867d53f3 [2024-11-20 21:48:35,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b491f6e50/dc8903a3c76c4bbebeb142c04db23470 [2024-11-20 21:48:35,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:48:35,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:48:35,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:48:35,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:48:35,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:48:35,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:48:35" (1/1) ... [2024-11-20 21:48:35,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d13872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:35, skipping insertion in model container [2024-11-20 21:48:35,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:48:35" (1/1) ... [2024-11-20 21:48:35,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:48:35,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:48:35,916 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:48:35,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:48:36,013 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:48:36,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36 WrapperNode [2024-11-20 21:48:36,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:48:36,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:48:36,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:48:36,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:48:36,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,088 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2024-11-20 21:48:36,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:48:36,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:48:36,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:48:36,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:48:36,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,139 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 21:48:36,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:48:36,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:48:36,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:48:36,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:48:36,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (1/1) ... [2024-11-20 21:48:36,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:48:36,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:48:36,188 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 21:48:36,193 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 21:48:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 21:48:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:48:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 21:48:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 21:48:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 21:48:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 21:48:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 21:48:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 21:48:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-20 21:48:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-20 21:48:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:48:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 21:48:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:48:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:48:36,234 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 21:48:36,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:48:36,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:48:36,661 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:48:36,661 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:48:36,823 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:48:36,823 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:48:36,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:48:36 BoogieIcfgContainer [2024-11-20 21:48:36,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:48:36,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:48:36,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:48:36,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:48:36,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:48:35" (1/3) ... [2024-11-20 21:48:36,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a095308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:48:36, skipping insertion in model container [2024-11-20 21:48:36,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:48:36" (2/3) ... [2024-11-20 21:48:36,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a095308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:48:36, skipping insertion in model container [2024-11-20 21:48:36,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:48:36" (3/3) ... [2024-11-20 21:48:36,837 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055_tso.oepc.i [2024-11-20 21:48:36,851 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:48:36,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 21:48:36,851 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:48:36,912 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 21:48:36,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 116 flow [2024-11-20 21:48:36,956 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-20 21:48:36,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:48:36,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 131 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-20 21:48:36,958 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 50 transitions, 116 flow [2024-11-20 21:48:36,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 46 transitions, 104 flow [2024-11-20 21:48:36,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:48:36,971 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;@508b99b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:48:36,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-20 21:48:36,977 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:48:36,977 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-20 21:48:36,977 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:48:36,977 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:36,978 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:36,978 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 21:48:36,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:36,982 INFO L85 PathProgramCache]: Analyzing trace with hash -722564488, now seen corresponding path program 1 times [2024-11-20 21:48:36,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:36,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318908583] [2024-11-20 21:48:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:36,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:37,289 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 21:48:37,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:37,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318908583] [2024-11-20 21:48:37,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318908583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:37,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:37,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 21:48:37,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463822751] [2024-11-20 21:48:37,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:37,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:48:37,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:37,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:48:37,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:48:37,329 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-20 21:48:37,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 21:48:37,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:37,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-20 21:48:37,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:40,658 INFO L124 PetriNetUnfolderBase]: 23093/30907 cut-off events. [2024-11-20 21:48:40,659 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-20 21:48:40,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62169 conditions, 30907 events. 23093/30907 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 1579. Compared 189108 event pairs, 9825 based on Foata normal form. 0/22415 useless extension candidates. Maximal degree in co-relation 62157. Up to 30293 conditions per place. [2024-11-20 21:48:40,910 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 49 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-11-20 21:48:40,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 66 transitions, 261 flow [2024-11-20 21:48:40,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:48:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 21:48:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2024-11-20 21:48:40,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-20 21:48:40,920 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 104 flow. Second operand 3 states and 110 transitions. [2024-11-20 21:48:40,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 66 transitions, 261 flow [2024-11-20 21:48:40,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 66 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 21:48:40,926 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 147 flow [2024-11-20 21:48:40,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-11-20 21:48:40,930 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-20 21:48:40,930 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 147 flow [2024-11-20 21:48:40,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 21:48:40,930 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:40,930 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:40,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:48:40,931 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 21:48:40,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:40,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1394976875, now seen corresponding path program 1 times [2024-11-20 21:48:40,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:40,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836817291] [2024-11-20 21:48:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:40,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:41,062 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 21:48:41,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:41,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836817291] [2024-11-20 21:48:41,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836817291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:41,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:41,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:48:41,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614515354] [2024-11-20 21:48:41,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:41,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:48:41,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:41,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:48:41,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:48:41,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-20 21:48:41,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 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) [2024-11-20 21:48:41,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:41,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-20 21:48:41,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:42,575 INFO L124 PetriNetUnfolderBase]: 12535/16925 cut-off events. [2024-11-20 21:48:42,576 INFO L125 PetriNetUnfolderBase]: For 1267/1267 co-relation queries the response was YES. [2024-11-20 21:48:42,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40200 conditions, 16925 events. 12535/16925 cut-off events. For 1267/1267 co-relation queries the response was YES. Maximal size of possible extension queue 934. Compared 100287 event pairs, 4513 based on Foata normal form. 0/14012 useless extension candidates. Maximal degree in co-relation 40189. Up to 16310 conditions per place. [2024-11-20 21:48:42,645 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 45 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-11-20 21:48:42,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 62 transitions, 269 flow [2024-11-20 21:48:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:48:42,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:48:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2024-11-20 21:48:42,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.59 [2024-11-20 21:48:42,649 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 147 flow. Second operand 4 states and 118 transitions. [2024-11-20 21:48:42,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 62 transitions, 269 flow [2024-11-20 21:48:42,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 62 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:48:42,652 INFO L231 Difference]: Finished difference. Result has 56 places, 46 transitions, 136 flow [2024-11-20 21:48:42,652 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=56, PETRI_TRANSITIONS=46} [2024-11-20 21:48:42,653 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-20 21:48:42,654 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 136 flow [2024-11-20 21:48:42,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 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) [2024-11-20 21:48:42,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:42,654 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:42,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:48:42,654 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 21:48:42,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:42,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1394976874, now seen corresponding path program 1 times [2024-11-20 21:48:42,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:42,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694122636] [2024-11-20 21:48:42,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:42,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:42,761 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 21:48:42,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:42,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694122636] [2024-11-20 21:48:42,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694122636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:42,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:42,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:48:42,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031737131] [2024-11-20 21:48:42,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:42,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:48:42,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:42,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:48:42,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:48:42,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-20 21:48:42,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 46 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 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) [2024-11-20 21:48:42,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:42,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-20 21:48:42,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:43,870 INFO L124 PetriNetUnfolderBase]: 8713/11935 cut-off events. [2024-11-20 21:48:43,871 INFO L125 PetriNetUnfolderBase]: For 1706/1706 co-relation queries the response was YES. [2024-11-20 21:48:43,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27729 conditions, 11935 events. 8713/11935 cut-off events. For 1706/1706 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 68568 event pairs, 1553 based on Foata normal form. 0/10664 useless extension candidates. Maximal degree in co-relation 27717. Up to 9229 conditions per place. [2024-11-20 21:48:43,930 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 63 selfloop transitions, 9 changer transitions 0/84 dead transitions. [2024-11-20 21:48:43,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 84 transitions, 374 flow [2024-11-20 21:48:43,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:48:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:48:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 140 transitions. [2024-11-20 21:48:43,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7 [2024-11-20 21:48:43,932 INFO L175 Difference]: Start difference. First operand has 56 places, 46 transitions, 136 flow. Second operand 4 states and 140 transitions. [2024-11-20 21:48:43,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 84 transitions, 374 flow [2024-11-20 21:48:43,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 84 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 21:48:43,934 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 188 flow [2024-11-20 21:48:43,934 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-11-20 21:48:43,935 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-20 21:48:43,935 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 188 flow [2024-11-20 21:48:43,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 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) [2024-11-20 21:48:43,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:43,936 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 21:48:43,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:48:43,936 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 21:48:43,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:43,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1625370970, now seen corresponding path program 1 times [2024-11-20 21:48:43,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:43,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440843408] [2024-11-20 21:48:43,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:44,037 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 21:48:44,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:44,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440843408] [2024-11-20 21:48:44,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440843408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:44,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:44,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:48:44,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163755943] [2024-11-20 21:48:44,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:44,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:48:44,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:44,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:48:44,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:48:44,043 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-20 21:48:44,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 21:48:44,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:44,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-20 21:48:44,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:44,852 INFO L124 PetriNetUnfolderBase]: 6421/8827 cut-off events. [2024-11-20 21:48:44,852 INFO L125 PetriNetUnfolderBase]: For 4257/4257 co-relation queries the response was YES. [2024-11-20 21:48:44,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23174 conditions, 8827 events. 6421/8827 cut-off events. For 4257/4257 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 49703 event pairs, 489 based on Foata normal form. 0/8520 useless extension candidates. Maximal degree in co-relation 23161. Up to 3065 conditions per place. [2024-11-20 21:48:44,890 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 75 selfloop transitions, 13 changer transitions 4/104 dead transitions. [2024-11-20 21:48:44,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 104 transitions, 508 flow [2024-11-20 21:48:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:48:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 21:48:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 176 transitions. [2024-11-20 21:48:44,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.704 [2024-11-20 21:48:44,893 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 188 flow. Second operand 5 states and 176 transitions. [2024-11-20 21:48:44,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 104 transitions, 508 flow [2024-11-20 21:48:44,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 104 transitions, 490 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-20 21:48:44,898 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 212 flow [2024-11-20 21:48:44,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-11-20 21:48:44,899 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2024-11-20 21:48:44,899 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 212 flow [2024-11-20 21:48:44,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 21:48:44,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:44,900 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] [2024-11-20 21:48:44,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:48:44,900 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 21:48:44,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2053085638, now seen corresponding path program 1 times [2024-11-20 21:48:44,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:44,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213304112] [2024-11-20 21:48:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:45,045 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 21:48:45,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:45,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213304112] [2024-11-20 21:48:45,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213304112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:45,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:45,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:48:45,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882951297] [2024-11-20 21:48:45,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:45,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:48:45,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:45,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:48:45,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:48:45,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-20 21:48:45,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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 21:48:45,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:45,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-20 21:48:45,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:46,392 INFO L124 PetriNetUnfolderBase]: 5605/7723 cut-off events. [2024-11-20 21:48:46,392 INFO L125 PetriNetUnfolderBase]: For 7457/7457 co-relation queries the response was YES. [2024-11-20 21:48:46,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21067 conditions, 7723 events. 5605/7723 cut-off events. For 7457/7457 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 44680 event pairs, 345 based on Foata normal form. 192/7800 useless extension candidates. Maximal degree in co-relation 21053. Up to 3056 conditions per place. [2024-11-20 21:48:46,417 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2024-11-20 21:48:46,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 96 transitions, 460 flow [2024-11-20 21:48:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:48:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 21:48:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 184 transitions. [2024-11-20 21:48:46,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6133333333333333 [2024-11-20 21:48:46,419 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 212 flow. Second operand 6 states and 184 transitions. [2024-11-20 21:48:46,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 96 transitions, 460 flow [2024-11-20 21:48:46,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 96 transitions, 405 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-20 21:48:46,485 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-11-20 21:48:46,485 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2024-11-20 21:48:46,486 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-20 21:48:46,486 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-11-20 21:48:46,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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 21:48:46,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-20 21:48:46,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-20 21:48:46,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-20 21:48:46,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-20 21:48:46,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-20 21:48:46,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-20 21:48:46,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-20 21:48:46,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-20 21:48:46,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-20 21:48:46,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-20 21:48:46,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-20 21:48:46,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-20 21:48:46,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-20 21:48:46,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-20 21:48:46,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-20 21:48:46,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-20 21:48:46,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-20 21:48:46,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-20 21:48:46,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-20 21:48:46,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-20 21:48:46,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:48:46,495 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 21:48:46,502 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:48:46,502 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:48:46,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:48:46 BasicIcfg [2024-11-20 21:48:46,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:48:46,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:48:46,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:48:46,509 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:48:46,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:48:36" (3/4) ... [2024-11-20 21:48:46,511 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:48:46,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 21:48:46,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 21:48:46,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 21:48:46,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-20 21:48:46,519 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2024-11-20 21:48:46,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-20 21:48:46,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 21:48:46,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 21:48:46,610 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:48:46,611 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:48:46,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:48:46,613 INFO L158 Benchmark]: Toolchain (without parser) took 11081.32ms. Allocated memory was 155.2MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 82.7MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-20 21:48:46,613 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 155.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:48:46,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.87ms. Allocated memory is still 155.2MB. Free memory was 82.5MB in the beginning and 122.0MB in the end (delta: -39.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-11-20 21:48:46,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.98ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 121.9MB in the beginning and 176.6MB in the end (delta: -54.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-20 21:48:46,614 INFO L158 Benchmark]: Boogie Preprocessor took 70.53ms. Allocated memory is still 209.7MB. Free memory was 176.6MB in the beginning and 173.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:48:46,614 INFO L158 Benchmark]: RCFGBuilder took 663.66ms. Allocated memory is still 209.7MB. Free memory was 172.4MB in the beginning and 110.6MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-20 21:48:46,614 INFO L158 Benchmark]: TraceAbstraction took 9683.76ms. Allocated memory was 209.7MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 109.5MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-20 21:48:46,614 INFO L158 Benchmark]: Witness Printer took 103.44ms. Allocated memory is still 3.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 21:48:46,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 155.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.87ms. Allocated memory is still 155.2MB. Free memory was 82.5MB in the beginning and 122.0MB in the end (delta: -39.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.98ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 121.9MB in the beginning and 176.6MB in the end (delta: -54.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.53ms. Allocated memory is still 209.7MB. Free memory was 176.6MB in the beginning and 173.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.66ms. Allocated memory is still 209.7MB. Free memory was 172.4MB in the beginning and 110.6MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9683.76ms. Allocated memory was 209.7MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 109.5MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 103.44ms. Allocated memory is still 3.3GB. Free memory was 1.8GB in the beginning and 1.8GB 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: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 811]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 811]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: 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, 91 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: 9.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 303 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 293 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 459 IncrementalHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 2 mSDtfsCounter, 459 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=212occurred 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, 0.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 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 21:48:46,634 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