./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/mix013.opt.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/mix013.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 7d5aa429e9fa5fafdbda3a249edb2f84a5af4e6e0b36ce720714921f621bb137 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:46:51,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:46:51,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:46:51,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:46:51,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:46:51,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:46:51,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:46:51,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:46:51,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:46:51,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:46:51,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:46:51,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:46:51,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:46:51,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:46:51,416 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:46:51,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:46:51,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:46:51,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:46:51,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:46:51,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:46:51,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:46:51,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:46:51,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:46:51,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:46:51,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:46:51,423 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:46:51,423 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:46:51,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:46:51,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:46:51,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:46:51,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:46:51,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:46:51,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:46:51,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:46:51,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:46:51,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:46:51,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:46:51,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:46:51,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:46:51,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:46:51,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:46:51,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:46:51,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:46:51,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:46:51,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d5aa429e9fa5fafdbda3a249edb2f84a5af4e6e0b36ce720714921f621bb137 [2024-11-20 21:46:51,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:46:51,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:46:51,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:46:51,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:46:51,676 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:46:51,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix013.opt.i [2024-11-20 21:46:53,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:46:53,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:46:53,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix013.opt.i [2024-11-20 21:46:53,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d9e64c5/1b1ffcdd06ad455eb9d5239dee2b6d06/FLAGc8b93aa81 [2024-11-20 21:46:53,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d9e64c5/1b1ffcdd06ad455eb9d5239dee2b6d06 [2024-11-20 21:46:53,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:46:53,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:46:53,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:46:53,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:46:53,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:46:53,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:46:53" (1/1) ... [2024-11-20 21:46:53,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5b7a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:53, skipping insertion in model container [2024-11-20 21:46:53,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:46:53" (1/1) ... [2024-11-20 21:46:53,701 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:46:54,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:46:54,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:46:54,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:46:54,281 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:46:54,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54 WrapperNode [2024-11-20 21:46:54,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:46:54,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:46:54,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:46:54,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:46:54,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,356 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 158 [2024-11-20 21:46:54,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:46:54,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:46:54,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:46:54,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:46:54,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,399 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 21:46:54,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:46:54,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:46:54,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:46:54,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:46:54,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (1/1) ... [2024-11-20 21:46:54,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:46:54,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:46:54,459 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 21:46:54,466 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 21:46:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 21:46:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:46:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 21:46:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 21:46:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 21:46:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 21:46:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 21:46:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 21:46:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-20 21:46:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-20 21:46:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:46:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 21:46:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:46:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:46:54,517 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 21:46:54,648 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:46:54,650 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:46:55,028 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:46:55,029 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:46:55,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:46:55,235 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:46:55,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:55 BoogieIcfgContainer [2024-11-20 21:46:55,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:46:55,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:46:55,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:46:55,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:46:55,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:46:53" (1/3) ... [2024-11-20 21:46:55,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cdd416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:46:55, skipping insertion in model container [2024-11-20 21:46:55,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:54" (2/3) ... [2024-11-20 21:46:55,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cdd416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:46:55, skipping insertion in model container [2024-11-20 21:46:55,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:55" (3/3) ... [2024-11-20 21:46:55,245 INFO L112 eAbstractionObserver]: Analyzing ICFG mix013.opt.i [2024-11-20 21:46:55,264 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:46:55,265 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 21:46:55,265 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:46:55,335 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 21:46:55,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2024-11-20 21:46:55,414 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-20 21:46:55,415 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:46:55,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-20 21:46:55,418 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2024-11-20 21:46:55,423 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2024-11-20 21:46:55,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:46:55,442 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;@1d7ef6e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:46:55,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-20 21:46:55,450 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:46:55,450 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-20 21:46:55,450 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:46:55,450 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:46:55,451 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:46:55,451 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 21:46:55,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:46:55,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1704122896, now seen corresponding path program 1 times [2024-11-20 21:46:55,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:46:55,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601997307] [2024-11-20 21:46:55,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:46:55,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:46:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:46:55,711 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 21:46:55,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:46:55,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601997307] [2024-11-20 21:46:55,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601997307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:46:55,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:46:55,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 21:46:55,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081472185] [2024-11-20 21:46:55,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:46:55,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:46:55,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:46:55,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:46:55,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:46:55,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2024-11-20 21:46:55,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 21:46:55,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:46:55,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2024-11-20 21:46:55,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:46:58,301 INFO L124 PetriNetUnfolderBase]: 15277/20542 cut-off events. [2024-11-20 21:46:58,302 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-11-20 21:46:58,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41332 conditions, 20542 events. 15277/20542 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 2052. Compared 140299 event pairs, 7263 based on Foata normal form. 0/14345 useless extension candidates. Maximal degree in co-relation 41320. Up to 20417 conditions per place. [2024-11-20 21:46:58,468 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 45 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-11-20 21:46:58,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 66 transitions, 253 flow [2024-11-20 21:46:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:46:58,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 21:46:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2024-11-20 21:46:58,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7564102564102564 [2024-11-20 21:46:58,483 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 118 transitions. [2024-11-20 21:46:58,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 66 transitions, 253 flow [2024-11-20 21:46:58,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 66 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 21:46:58,491 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2024-11-20 21:46:58,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-20 21:46:58,500 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-20 21:46:58,501 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2024-11-20 21:46:58,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 21:46:58,501 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:46:58,501 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:46:58,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:46:58,502 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 21:46:58,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:46:58,503 INFO L85 PathProgramCache]: Analyzing trace with hash -2144521101, now seen corresponding path program 1 times [2024-11-20 21:46:58,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:46:58,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648581710] [2024-11-20 21:46:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:46:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:46:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:46:58,632 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 21:46:58,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:46:58,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648581710] [2024-11-20 21:46:58,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648581710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:46:58,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:46:58,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:46:58,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801841604] [2024-11-20 21:46:58,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:46:58,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:46:58,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:46:58,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:46:58,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:46:58,638 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2024-11-20 21:46:58,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 21:46:58,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:46:58,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2024-11-20 21:46:58,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:47:00,024 INFO L124 PetriNetUnfolderBase]: 7641/10386 cut-off events. [2024-11-20 21:47:00,024 INFO L125 PetriNetUnfolderBase]: For 961/969 co-relation queries the response was YES. [2024-11-20 21:47:00,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25147 conditions, 10386 events. 7641/10386 cut-off events. For 961/969 co-relation queries the response was YES. Maximal size of possible extension queue 913. Compared 64884 event pairs, 3143 based on Foata normal form. 2/8387 useless extension candidates. Maximal degree in co-relation 25136. Up to 10260 conditions per place. [2024-11-20 21:47:00,093 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 41 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-11-20 21:47:00,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 62 transitions, 261 flow [2024-11-20 21:47:00,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:47:00,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:47:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 130 transitions. [2024-11-20 21:47:00,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-11-20 21:47:00,096 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 130 transitions. [2024-11-20 21:47:00,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 62 transitions, 261 flow [2024-11-20 21:47:00,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:47:00,098 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow [2024-11-20 21:47:00,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2024-11-20 21:47:00,099 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-20 21:47:00,099 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow [2024-11-20 21:47:00,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 21:47:00,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:47:00,100 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:47:00,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:47:00,100 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 21:47:00,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:47:00,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2144521100, now seen corresponding path program 1 times [2024-11-20 21:47:00,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:47:00,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321638493] [2024-11-20 21:47:00,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:47:00,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:47:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:47:00,200 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 21:47:00,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:47:00,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321638493] [2024-11-20 21:47:00,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321638493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:47:00,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:47:00,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:47:00,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887783042] [2024-11-20 21:47:00,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:47:00,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:47:00,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:47:00,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:47:00,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:47:00,208 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2024-11-20 21:47:00,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 21:47:00,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:47:00,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2024-11-20 21:47:00,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:47:01,057 INFO L124 PetriNetUnfolderBase]: 5209/7202 cut-off events. [2024-11-20 21:47:01,059 INFO L125 PetriNetUnfolderBase]: For 969/977 co-relation queries the response was YES. [2024-11-20 21:47:01,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17020 conditions, 7202 events. 5209/7202 cut-off events. For 969/977 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 42784 event pairs, 1005 based on Foata normal form. 2/6287 useless extension candidates. Maximal degree in co-relation 17008. Up to 6369 conditions per place. [2024-11-20 21:47:01,122 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 57 selfloop transitions, 9 changer transitions 0/82 dead transitions. [2024-11-20 21:47:01,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 82 transitions, 358 flow [2024-11-20 21:47:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:47:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:47:01,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 150 transitions. [2024-11-20 21:47:01,126 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7211538461538461 [2024-11-20 21:47:01,127 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 150 transitions. [2024-11-20 21:47:01,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 82 transitions, 358 flow [2024-11-20 21:47:01,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 82 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 21:47:01,130 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow [2024-11-20 21:47:01,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-20 21:47:01,132 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-20 21:47:01,132 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow [2024-11-20 21:47:01,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 21:47:01,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:47:01,133 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] [2024-11-20 21:47:01,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:47:01,133 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 21:47:01,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:47:01,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1934256273, now seen corresponding path program 1 times [2024-11-20 21:47:01,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:47:01,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703002672] [2024-11-20 21:47:01,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:47:01,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:47:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:47:01,278 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 21:47:01,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:47:01,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703002672] [2024-11-20 21:47:01,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703002672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:47:01,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:47:01,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:47:01,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646537559] [2024-11-20 21:47:01,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:47:01,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:47:01,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:47:01,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:47:01,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:47:01,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2024-11-20 21:47:01,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 21:47:01,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:47:01,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2024-11-20 21:47:01,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:47:01,938 INFO L124 PetriNetUnfolderBase]: 3481/4850 cut-off events. [2024-11-20 21:47:01,938 INFO L125 PetriNetUnfolderBase]: For 2428/2444 co-relation queries the response was YES. [2024-11-20 21:47:01,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13179 conditions, 4850 events. 3481/4850 cut-off events. For 2428/2444 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 26676 event pairs, 165 based on Foata normal form. 4/4681 useless extension candidates. Maximal degree in co-relation 13166. Up to 2353 conditions per place. [2024-11-20 21:47:01,973 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 67 selfloop transitions, 13 changer transitions 4/100 dead transitions. [2024-11-20 21:47:01,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 100 transitions, 484 flow [2024-11-20 21:47:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:47:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 21:47:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 188 transitions. [2024-11-20 21:47:01,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7230769230769231 [2024-11-20 21:47:01,975 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 188 transitions. [2024-11-20 21:47:01,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 100 transitions, 484 flow [2024-11-20 21:47:01,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 100 transitions, 466 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-20 21:47:01,979 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2024-11-20 21:47:01,980 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2024-11-20 21:47:01,980 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2024-11-20 21:47:01,981 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2024-11-20 21:47:01,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 21:47:01,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:47:01,981 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:47:01,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:47:01,982 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 21:47:01,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:47:01,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1694286177, now seen corresponding path program 1 times [2024-11-20 21:47:01,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:47:01,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529412075] [2024-11-20 21:47:01,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:47:01,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:47:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:47:02,191 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 21:47:02,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:47:02,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529412075] [2024-11-20 21:47:02,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529412075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:47:02,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:47:02,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:47:02,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93370399] [2024-11-20 21:47:02,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:47:02,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:47:02,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:47:02,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:47:02,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:47:02,199 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2024-11-20 21:47:02,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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 21:47:02,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:47:02,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2024-11-20 21:47:02,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:47:02,853 INFO L124 PetriNetUnfolderBase]: 2809/3938 cut-off events. [2024-11-20 21:47:02,853 INFO L125 PetriNetUnfolderBase]: For 4600/4616 co-relation queries the response was YES. [2024-11-20 21:47:02,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11390 conditions, 3938 events. 2809/3938 cut-off events. For 4600/4616 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 22057 event pairs, 45 based on Foata normal form. 164/4089 useless extension candidates. Maximal degree in co-relation 11376. Up to 1664 conditions per place. [2024-11-20 21:47:02,870 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2024-11-20 21:47:02,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 92 transitions, 436 flow [2024-11-20 21:47:02,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:47:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 21:47:02,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 200 transitions. [2024-11-20 21:47:02,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6410256410256411 [2024-11-20 21:47:02,873 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 200 transitions. [2024-11-20 21:47:02,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 92 transitions, 436 flow [2024-11-20 21:47:02,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 92 transitions, 381 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-20 21:47:02,905 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-20 21:47:02,905 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-11-20 21:47:02,907 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-20 21:47:02,908 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-20 21:47:02,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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 21:47:02,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-20 21:47:02,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-20 21:47:02,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-20 21:47:02,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-20 21:47:02,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-20 21:47:02,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-20 21:47:02,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-20 21:47:02,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-20 21:47:02,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-20 21:47:02,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-20 21:47:02,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-20 21:47:02,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-20 21:47:02,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-20 21:47:02,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-20 21:47:02,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-20 21:47:02,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-20 21:47:02,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-20 21:47:02,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-20 21:47:02,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-20 21:47:02,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-20 21:47:02,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:47:02,921 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 21:47:02,926 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:47:02,927 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:47:02,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:47:02 BasicIcfg [2024-11-20 21:47:02,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:47:02,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:47:02,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:47:02,934 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:47:02,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:55" (3/4) ... [2024-11-20 21:47:02,936 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:47:02,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 21:47:02,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 21:47:02,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 21:47:02,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-20 21:47:02,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2024-11-20 21:47:02,947 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-20 21:47:02,947 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-20 21:47:02,947 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 21:47:03,049 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:47:03,050 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:47:03,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:47:03,051 INFO L158 Benchmark]: Toolchain (without parser) took 9411.62ms. Allocated memory was 205.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 137.3MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 256.3MB. Max. memory is 16.1GB. [2024-11-20 21:47:03,051 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 104.9MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:47:03,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.27ms. Allocated memory is still 205.5MB. Free memory was 137.1MB in the beginning and 170.7MB in the end (delta: -33.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-20 21:47:03,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.26ms. Allocated memory is still 205.5MB. Free memory was 170.7MB in the beginning and 167.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:47:03,052 INFO L158 Benchmark]: Boogie Preprocessor took 53.01ms. Allocated memory is still 205.5MB. Free memory was 167.8MB in the beginning and 163.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 21:47:03,052 INFO L158 Benchmark]: RCFGBuilder took 817.33ms. Allocated memory is still 205.5MB. Free memory was 163.6MB in the beginning and 99.4MB in the end (delta: 64.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-20 21:47:03,053 INFO L158 Benchmark]: TraceAbstraction took 7695.30ms. Allocated memory was 205.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 98.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 589.1MB. Max. memory is 16.1GB. [2024-11-20 21:47:03,053 INFO L158 Benchmark]: Witness Printer took 116.16ms. Allocated memory is still 2.0GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 21:47:03,054 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 104.9MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.27ms. Allocated memory is still 205.5MB. Free memory was 137.1MB in the beginning and 170.7MB in the end (delta: -33.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.26ms. Allocated memory is still 205.5MB. Free memory was 170.7MB in the beginning and 167.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.01ms. Allocated memory is still 205.5MB. Free memory was 167.8MB in the beginning and 163.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 817.33ms. Allocated memory is still 205.5MB. Free memory was 163.6MB in the beginning and 99.4MB in the end (delta: 64.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7695.30ms. Allocated memory was 205.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 98.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 589.1MB. Max. memory is 16.1GB. * Witness Printer took 116.16ms. Allocated memory is still 2.0GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 810]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 810]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 95 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 437 IncrementalHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 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 21:47:03,074 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