./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix055.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix055.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 a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:58:00,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:58:00,957 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:58:00,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:58:00,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:58:01,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:58:01,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:58:01,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:58:01,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:58:01,008 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:58:01,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:58:01,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:58:01,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:58:01,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:58:01,009 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:58:01,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:58:01,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:58:01,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:58:01,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:58:01,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:58:01,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:58:01,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:58:01,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:58:01,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:58:01,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:58:01,016 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:58:01,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:58:01,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:58:01,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:58:01,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:58:01,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:58:01,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:58:01,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:58:01,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:58:01,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:58:01,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:58:01,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:58:01,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:58:01,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:58:01,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:58:01,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:58:01,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:58:01,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:58:01,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:58:01,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 [2024-11-09 14:58:01,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:58:01,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:58:01,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:58:01,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:58:01,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:58:01,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix055.opt.i [2024-11-09 14:58:02,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:58:02,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:58:02,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix055.opt.i [2024-11-09 14:58:03,004 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bb0a2de9/650b8a44fdbc445f92e29fde1257961b/FLAG040ffdb0e [2024-11-09 14:58:03,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bb0a2de9/650b8a44fdbc445f92e29fde1257961b [2024-11-09 14:58:03,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:58:03,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:58:03,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:58:03,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:58:03,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:58:03,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57db3795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03, skipping insertion in model container [2024-11-09 14:58:03,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:58:03,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:58:03,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:58:03,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:58:03,546 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:58:03,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03 WrapperNode [2024-11-09 14:58:03,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:58:03,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:58:03,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:58:03,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:58:03,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,619 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2024-11-09 14:58:03,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:58:03,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:58:03,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:58:03,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:58:03,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,665 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]. [2024-11-09 14:58:03,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:58:03,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:58:03,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:58:03,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:58:03,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (1/1) ... [2024-11-09 14:58:03,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:58:03,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:58:03,727 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) [2024-11-09 14:58:03,731 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 [2024-11-09 14:58:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 14:58:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:58:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 14:58:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 14:58:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 14:58:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 14:58:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 14:58:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 14:58:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-09 14:58:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-09 14:58:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:58:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 14:58:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:58:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:58:03,771 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 14:58:03,951 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:58:03,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:58:04,201 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 14:58:04,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:58:04,418 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:58:04,418 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:58:04,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:58:04 BoogieIcfgContainer [2024-11-09 14:58:04,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:58:04,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:58:04,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:58:04,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:58:04,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:58:03" (1/3) ... [2024-11-09 14:58:04,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347de618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:58:04, skipping insertion in model container [2024-11-09 14:58:04,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:03" (2/3) ... [2024-11-09 14:58:04,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347de618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:58:04, skipping insertion in model container [2024-11-09 14:58:04,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:58:04" (3/3) ... [2024-11-09 14:58:04,427 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055.opt.i [2024-11-09 14:58:04,441 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:58:04,441 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-09 14:58:04,441 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 14:58:04,486 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 14:58:04,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 116 flow [2024-11-09 14:58:04,553 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-09 14:58:04,554 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 14:58:04,556 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 6. Compared 119 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. [2024-11-09 14:58:04,557 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 50 transitions, 116 flow [2024-11-09 14:58:04,559 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 46 transitions, 104 flow [2024-11-09 14:58:04,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:58:04,575 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;@6b0c2a49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:58:04,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-09 14:58:04,581 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 14:58:04,582 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-09 14:58:04,583 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 14:58:04,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:58:04,583 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:58:04,584 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:58:04,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:58:04,590 INFO L85 PathProgramCache]: Analyzing trace with hash 981699630, now seen corresponding path program 1 times [2024-11-09 14:58:04,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:58:04,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522286702] [2024-11-09 14:58:04,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:58:04,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:58:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:58:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:58:04,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:58:04,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522286702] [2024-11-09 14:58:04,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522286702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:58:04,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:58:04,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 14:58:04,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453557015] [2024-11-09 14:58:04,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:58:04,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:58:04,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:58:04,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:58:04,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:58:04,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-11-09 14:58:04,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:58:04,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:58:04,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-11-09 14:58:04,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:58:06,858 INFO L124 PetriNetUnfolderBase]: 16257/21807 cut-off events. [2024-11-09 14:58:06,858 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-11-09 14:58:06,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43873 conditions, 21807 events. 16257/21807 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 2091. Compared 145830 event pairs, 8007 based on Foata normal form. 0/15044 useless extension candidates. Maximal degree in co-relation 43861. Up to 21703 conditions per place. [2024-11-09 14:58:06,980 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 45 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-11-09 14:58:06,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 64 transitions, 249 flow [2024-11-09 14:58:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:58:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 14:58:06,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 112 transitions. [2024-11-09 14:58:06,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7466666666666667 [2024-11-09 14:58:06,992 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 104 flow. Second operand 3 states and 112 transitions. [2024-11-09 14:58:06,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 64 transitions, 249 flow [2024-11-09 14:58:06,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 64 transitions, 242 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 14:58:06,998 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 147 flow [2024-11-09 14:58:06,999 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} [2024-11-09 14:58:07,002 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-09 14:58:07,003 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 147 flow [2024-11-09 14:58:07,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:58:07,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:58:07,003 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:58:07,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:58:07,003 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:58:07,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:58:07,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1669813797, now seen corresponding path program 1 times [2024-11-09 14:58:07,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:58:07,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283765608] [2024-11-09 14:58:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:58:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:58:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:58:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:58:07,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:58:07,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283765608] [2024-11-09 14:58:07,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283765608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:58:07,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:58:07,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:58:07,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076194479] [2024-11-09 14:58:07,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:58:07,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:58:07,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:58:07,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:58:07,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:58:07,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-11-09 14:58:07,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:58:07,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:58:07,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-11-09 14:58:07,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:58:09,044 INFO L124 PetriNetUnfolderBase]: 12927/18053 cut-off events. [2024-11-09 14:58:09,045 INFO L125 PetriNetUnfolderBase]: For 1135/1135 co-relation queries the response was YES. [2024-11-09 14:58:09,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43252 conditions, 18053 events. 12927/18053 cut-off events. For 1135/1135 co-relation queries the response was YES. Maximal size of possible extension queue 1612. Compared 122978 event pairs, 2839 based on Foata normal form. 0/14042 useless extension candidates. Maximal degree in co-relation 43241. Up to 10717 conditions per place. [2024-11-09 14:58:09,323 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 61 selfloop transitions, 13 changer transitions 0/88 dead transitions. [2024-11-09 14:58:09,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 88 transitions, 397 flow [2024-11-09 14:58:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:58:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 14:58:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 150 transitions. [2024-11-09 14:58:09,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75 [2024-11-09 14:58:09,329 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 147 flow. Second operand 4 states and 150 transitions. [2024-11-09 14:58:09,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 88 transitions, 397 flow [2024-11-09 14:58:09,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 88 transitions, 392 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 14:58:09,332 INFO L231 Difference]: Finished difference. Result has 62 places, 58 transitions, 245 flow [2024-11-09 14:58:09,333 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=245, PETRI_PLACES=62, PETRI_TRANSITIONS=58} [2024-11-09 14:58:09,333 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 3 predicate places. [2024-11-09 14:58:09,334 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 245 flow [2024-11-09 14:58:09,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:58:09,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:58:09,334 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:58:09,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 14:58:09,335 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:58:09,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:58:09,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1669813796, now seen corresponding path program 1 times [2024-11-09 14:58:09,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:58:09,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595435020] [2024-11-09 14:58:09,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:58:09,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:58:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:58:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:58:09,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:58:09,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595435020] [2024-11-09 14:58:09,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595435020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:58:09,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:58:09,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:58:09,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832413794] [2024-11-09 14:58:09,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:58:09,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:58:09,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:58:09,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:58:09,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:58:09,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-11-09 14:58:09,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 245 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:58:09,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:58:09,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-11-09 14:58:09,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:58:10,096 INFO L124 PetriNetUnfolderBase]: 5445/7507 cut-off events. [2024-11-09 14:58:10,096 INFO L125 PetriNetUnfolderBase]: For 6787/6787 co-relation queries the response was YES. [2024-11-09 14:58:10,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20735 conditions, 7507 events. 5445/7507 cut-off events. For 6787/6787 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 45081 event pairs, 2007 based on Foata normal form. 1456/7944 useless extension candidates. Maximal degree in co-relation 20721. Up to 7402 conditions per place. [2024-11-09 14:58:10,136 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 45 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-11-09 14:58:10,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 64 transitions, 323 flow [2024-11-09 14:58:10,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:58:10,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 14:58:10,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2024-11-09 14:58:10,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.61 [2024-11-09 14:58:10,139 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 245 flow. Second operand 4 states and 122 transitions. [2024-11-09 14:58:10,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 64 transitions, 323 flow [2024-11-09 14:58:10,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 64 transitions, 300 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-09 14:58:10,154 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 176 flow [2024-11-09 14:58:10,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-11-09 14:58:10,156 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-09 14:58:10,156 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 176 flow [2024-11-09 14:58:10,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:58:10,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:58:10,156 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] [2024-11-09 14:58:10,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:58:10,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:58:10,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:58:10,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1988298604, now seen corresponding path program 1 times [2024-11-09 14:58:10,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:58:10,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583532896] [2024-11-09 14:58:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:58:10,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:58:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:58:10,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:58:10,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:58:10,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583532896] [2024-11-09 14:58:10,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583532896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:58:10,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:58:10,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:58:10,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594435238] [2024-11-09 14:58:10,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:58:10,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:58:10,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:58:10,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:58:10,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:58:10,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-11-09 14:58:10,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:58:10,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:58:10,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-11-09 14:58:10,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:58:10,735 INFO L124 PetriNetUnfolderBase]: 3561/4951 cut-off events. [2024-11-09 14:58:10,735 INFO L125 PetriNetUnfolderBase]: For 2267/2267 co-relation queries the response was YES. [2024-11-09 14:58:10,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12612 conditions, 4951 events. 3561/4951 cut-off events. For 2267/2267 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 27735 event pairs, 183 based on Foata normal form. 0/4748 useless extension candidates. Maximal degree in co-relation 12599. Up to 2601 conditions per place. [2024-11-09 14:58:10,775 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 67 selfloop transitions, 13 changer transitions 4/98 dead transitions. [2024-11-09 14:58:10,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 98 transitions, 468 flow [2024-11-09 14:58:10,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:58:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 14:58:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178 transitions. [2024-11-09 14:58:10,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.712 [2024-11-09 14:58:10,776 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 176 flow. Second operand 5 states and 178 transitions. [2024-11-09 14:58:10,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 98 transitions, 468 flow [2024-11-09 14:58:10,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 98 transitions, 462 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 14:58:10,779 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 212 flow [2024-11-09 14:58:10,779 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} [2024-11-09 14:58:10,780 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2024-11-09 14:58:10,780 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 212 flow [2024-11-09 14:58:10,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:58:10,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:58:10,781 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] [2024-11-09 14:58:10,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:58:10,781 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-09 14:58:10,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:58:10,781 INFO L85 PathProgramCache]: Analyzing trace with hash -478005630, now seen corresponding path program 1 times [2024-11-09 14:58:10,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:58:10,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915999803] [2024-11-09 14:58:10,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:58:10,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:58:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:58:10,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:58:10,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:58:10,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915999803] [2024-11-09 14:58:10,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915999803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:58:10,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:58:10,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:58:10,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438370704] [2024-11-09 14:58:10,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:58:10,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 14:58:10,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:58:10,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 14:58:10,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:58:10,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-11-09 14:58:10,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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) [2024-11-09 14:58:10,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:58:10,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-11-09 14:58:10,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:58:11,517 INFO L124 PetriNetUnfolderBase]: 2745/3847 cut-off events. [2024-11-09 14:58:11,517 INFO L125 PetriNetUnfolderBase]: For 4691/4691 co-relation queries the response was YES. [2024-11-09 14:58:11,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11259 conditions, 3847 events. 2745/3847 cut-off events. For 4691/4691 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 21850 event pairs, 39 based on Foata normal form. 192/4028 useless extension candidates. Maximal degree in co-relation 11245. Up to 1596 conditions per place. [2024-11-09 14:58:11,531 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 0 selfloop transitions, 0 changer transitions 90/90 dead transitions. [2024-11-09 14:58:11,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 90 transitions, 432 flow [2024-11-09 14:58:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 14:58:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 14:58:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 188 transitions. [2024-11-09 14:58:11,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6266666666666667 [2024-11-09 14:58:11,532 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 212 flow. Second operand 6 states and 188 transitions. [2024-11-09 14:58:11,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 90 transitions, 432 flow [2024-11-09 14:58:11,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 90 transitions, 377 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-09 14:58:11,549 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-11-09 14:58:11,549 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} [2024-11-09 14:58:11,550 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-09 14:58:11,550 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-11-09 14:58:11,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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) [2024-11-09 14:58:11,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-09 14:58:11,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-09 14:58:11,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-09 14:58:11,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-09 14:58:11,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-09 14:58:11,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-09 14:58:11,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-09 14:58:11,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-09 14:58:11,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-09 14:58:11,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-09 14:58:11,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-09 14:58:11,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-09 14:58:11,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-09 14:58:11,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-09 14:58:11,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-09 14:58:11,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-09 14:58:11,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-09 14:58:11,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-09 14:58:11,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-09 14:58:11,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-09 14:58:11,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 14:58:11,557 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 14:58:11,562 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 14:58:11,562 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:58:11,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:58:11 BasicIcfg [2024-11-09 14:58:11,567 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:58:11,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:58:11,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:58:11,568 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:58:11,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:58:04" (3/4) ... [2024-11-09 14:58:11,571 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 14:58:11,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 14:58:11,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 14:58:11,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 14:58:11,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-09 14:58:11,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2024-11-09 14:58:11,579 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-09 14:58:11,579 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 14:58:11,580 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 14:58:11,651 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 14:58:11,652 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 14:58:11,652 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:58:11,653 INFO L158 Benchmark]: Toolchain (without parser) took 8632.77ms. Allocated memory was 239.1MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 169.1MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 492.9MB. Max. memory is 16.1GB. [2024-11-09 14:58:11,653 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 125.8MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:58:11,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.01ms. Allocated memory is still 239.1MB. Free memory was 169.1MB in the beginning and 143.1MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 14:58:11,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.00ms. Allocated memory is still 239.1MB. Free memory was 143.1MB in the beginning and 140.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:58:11,654 INFO L158 Benchmark]: Boogie Preprocessor took 66.00ms. Allocated memory is still 239.1MB. Free memory was 140.0MB in the beginning and 136.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:58:11,654 INFO L158 Benchmark]: RCFGBuilder took 724.29ms. Allocated memory is still 239.1MB. Free memory was 136.5MB in the beginning and 156.5MB in the end (delta: -20.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-09 14:58:11,654 INFO L158 Benchmark]: TraceAbstraction took 7146.94ms. Allocated memory was 239.1MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 155.5MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 475.3MB. Max. memory is 16.1GB. [2024-11-09 14:58:11,655 INFO L158 Benchmark]: Witness Printer took 84.79ms. Allocated memory is still 3.0GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:58:11,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 125.8MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.01ms. Allocated memory is still 239.1MB. Free memory was 169.1MB in the beginning and 143.1MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.00ms. Allocated memory is still 239.1MB. Free memory was 143.1MB in the beginning and 140.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.00ms. Allocated memory is still 239.1MB. Free memory was 140.0MB in the beginning and 136.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 724.29ms. Allocated memory is still 239.1MB. Free memory was 136.5MB in the beginning and 156.5MB in the end (delta: -20.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7146.94ms. Allocated memory was 239.1MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 155.5MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 475.3MB. Max. memory is 16.1GB. * Witness Printer took 84.79ms. Allocated memory is still 3.0GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: 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: 7.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 222 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 440 IncrementalHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 1 mSDtfsCounter, 440 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=245occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 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! [2024-11-09 14:58:11,686 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