./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c011a0e45020881b0eb90c07839ec48e6b26942e49028568b078c64e0cf722 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:39:04,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:39:04,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:39:04,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:39:04,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:39:04,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:39:04,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:39:04,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:39:04,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:39:04,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:39:04,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:39:04,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:39:04,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:39:04,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:39:04,418 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:39:04,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:39:04,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:39:04,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:39:04,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:39:04,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:39:04,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:39:04,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:39:04,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:39:04,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:39:04,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:39:04,425 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:39:04,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:39:04,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:39:04,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:39:04,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:39:04,427 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:39:04,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:39:04,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:39:04,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:39:04,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:39:04,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:39:04,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:39:04,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:39:04,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:39:04,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:39:04,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:39:04,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:39:04,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:39:04,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:39:04,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c011a0e45020881b0eb90c07839ec48e6b26942e49028568b078c64e0cf722 [2024-11-17 07:39:04,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:39:04,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:39:04,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:39:04,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:39:04,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:39:04,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i [2024-11-17 07:39:06,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:39:06,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:39:06,399 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix040_tso.oepc.i [2024-11-17 07:39:06,417 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9079ed55/0e6690d417784090b445685f85d70e4b/FLAGcb8653720 [2024-11-17 07:39:06,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9079ed55/0e6690d417784090b445685f85d70e4b [2024-11-17 07:39:06,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:39:06,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:39:06,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:39:06,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:39:06,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:39:06,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:06,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b216de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06, skipping insertion in model container [2024-11-17 07:39:06,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:06,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:39:06,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:39:06,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:39:06,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:39:06,970 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:39:06,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06 WrapperNode [2024-11-17 07:39:06,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:39:06,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:39:06,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:39:06,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:39:06,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:06,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,032 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 153 [2024-11-17 07:39:07,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:39:07,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:39:07,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:39:07,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:39:07,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,073 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 07:39:07,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:39:07,094 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:39:07,094 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:39:07,094 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:39:07,095 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (1/1) ... [2024-11-17 07:39:07,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:39:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:39:07,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:39:07,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:39:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 07:39:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:39:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 07:39:07,196 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 07:39:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 07:39:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 07:39:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 07:39:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 07:39:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-17 07:39:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-17 07:39:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:39:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 07:39:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:39:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:39:07,205 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 07:39:07,336 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:39:07,337 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:39:07,759 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 07:39:07,759 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:39:08,010 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:39:08,010 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:39:08,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:39:08 BoogieIcfgContainer [2024-11-17 07:39:08,011 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:39:08,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:39:08,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:39:08,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:39:08,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:39:06" (1/3) ... [2024-11-17 07:39:08,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77362cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:39:08, skipping insertion in model container [2024-11-17 07:39:08,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:39:06" (2/3) ... [2024-11-17 07:39:08,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77362cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:39:08, skipping insertion in model container [2024-11-17 07:39:08,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:39:08" (3/3) ... [2024-11-17 07:39:08,021 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040_tso.oepc.i [2024-11-17 07:39:08,038 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:39:08,039 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 07:39:08,039 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 07:39:08,103 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 07:39:08,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2024-11-17 07:39:08,179 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-17 07:39:08,179 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:39:08,183 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. [2024-11-17 07:39:08,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2024-11-17 07:39:08,187 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2024-11-17 07:39:08,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:39:08,209 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;@5fb825a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:39:08,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-17 07:39:08,218 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 07:39:08,218 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-11-17 07:39:08,218 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:39:08,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:39:08,219 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:39:08,220 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:39:08,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:39:08,226 INFO L85 PathProgramCache]: Analyzing trace with hash -168458566, now seen corresponding path program 1 times [2024-11-17 07:39:08,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:39:08,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108547595] [2024-11-17 07:39:08,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:39:08,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:39:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:39:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:39:08,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:39:08,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108547595] [2024-11-17 07:39:08,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108547595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:39:08,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:39:08,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 07:39:08,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499517848] [2024-11-17 07:39:08,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:39:08,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:39:08,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:39:08,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:39:08,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:39:08,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-17 07:39:08,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:08,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:39:08,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-17 07:39:08,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:39:17,522 INFO L124 PetriNetUnfolderBase]: 86859/114145 cut-off events. [2024-11-17 07:39:17,522 INFO L125 PetriNetUnfolderBase]: For 388/388 co-relation queries the response was YES. [2024-11-17 07:39:17,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229085 conditions, 114145 events. 86859/114145 cut-off events. For 388/388 co-relation queries the response was YES. Maximal size of possible extension queue 3074. Compared 690496 event pairs, 28395 based on Foata normal form. 0/94822 useless extension candidates. Maximal degree in co-relation 229073. Up to 103009 conditions per place. [2024-11-17 07:39:18,371 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 69 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2024-11-17 07:39:18,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 78 transitions, 325 flow [2024-11-17 07:39:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:39:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 07:39:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2024-11-17 07:39:18,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6794871794871795 [2024-11-17 07:39:18,384 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 106 transitions. [2024-11-17 07:39:18,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 78 transitions, 325 flow [2024-11-17 07:39:18,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 78 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 07:39:18,398 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2024-11-17 07:39:18,399 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} [2024-11-17 07:39:18,406 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-17 07:39:18,406 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2024-11-17 07:39:18,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:18,407 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:39:18,407 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:39:18,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:39:18,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:39:18,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:39:18,409 INFO L85 PathProgramCache]: Analyzing trace with hash 493063775, now seen corresponding path program 1 times [2024-11-17 07:39:18,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:39:18,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756997141] [2024-11-17 07:39:18,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:39:18,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:39:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:39:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:39:18,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:39:18,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756997141] [2024-11-17 07:39:18,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756997141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:39:18,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:39:18,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:39:18,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121929332] [2024-11-17 07:39:18,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:39:18,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:39:18,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:39:18,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:39:18,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:39:18,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-17 07:39:18,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:18,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:39:18,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-17 07:39:18,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:39:24,364 INFO L124 PetriNetUnfolderBase]: 59971/78833 cut-off events. [2024-11-17 07:39:24,365 INFO L125 PetriNetUnfolderBase]: For 4865/4865 co-relation queries the response was YES. [2024-11-17 07:39:24,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177980 conditions, 78833 events. 59971/78833 cut-off events. For 4865/4865 co-relation queries the response was YES. Maximal size of possible extension queue 2143. Compared 461798 event pairs, 18103 based on Foata normal form. 0/71526 useless extension candidates. Maximal degree in co-relation 177969. Up to 67696 conditions per place. [2024-11-17 07:39:24,792 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 65 selfloop transitions, 5 changer transitions 0/74 dead transitions. [2024-11-17 07:39:24,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 74 transitions, 333 flow [2024-11-17 07:39:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:39:24,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:39:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions. [2024-11-17 07:39:24,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5096153846153846 [2024-11-17 07:39:24,796 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 106 transitions. [2024-11-17 07:39:24,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 74 transitions, 333 flow [2024-11-17 07:39:24,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 74 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 07:39:24,808 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow [2024-11-17 07:39:24,808 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} [2024-11-17 07:39:24,809 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-17 07:39:24,809 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow [2024-11-17 07:39:24,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:24,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:39:24,810 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:39:24,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:39:24,811 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:39:24,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:39:24,811 INFO L85 PathProgramCache]: Analyzing trace with hash 493063776, now seen corresponding path program 1 times [2024-11-17 07:39:24,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:39:24,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966285036] [2024-11-17 07:39:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:39:24,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:39:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:39:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:39:24,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:39:24,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966285036] [2024-11-17 07:39:24,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966285036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:39:24,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:39:24,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:39:24,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692159889] [2024-11-17 07:39:24,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:39:24,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:39:24,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:39:24,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:39:24,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:39:24,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-17 07:39:24,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:24,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:39:24,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-17 07:39:24,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:39:29,288 INFO L124 PetriNetUnfolderBase]: 45683/60257 cut-off events. [2024-11-17 07:39:29,288 INFO L125 PetriNetUnfolderBase]: For 9178/9178 co-relation queries the response was YES. [2024-11-17 07:39:29,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133841 conditions, 60257 events. 45683/60257 cut-off events. For 9178/9178 co-relation queries the response was YES. Maximal size of possible extension queue 1561. Compared 343587 event pairs, 10283 based on Foata normal form. 0/58118 useless extension candidates. Maximal degree in co-relation 133829. Up to 27777 conditions per place. [2024-11-17 07:39:29,599 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 93 selfloop transitions, 9 changer transitions 0/106 dead transitions. [2024-11-17 07:39:29,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 106 transitions, 478 flow [2024-11-17 07:39:29,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:39:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:39:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 138 transitions. [2024-11-17 07:39:29,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6634615384615384 [2024-11-17 07:39:29,602 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 138 transitions. [2024-11-17 07:39:29,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 106 transitions, 478 flow [2024-11-17 07:39:29,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 106 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 07:39:29,618 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow [2024-11-17 07:39:29,618 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} [2024-11-17 07:39:29,619 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-17 07:39:29,619 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow [2024-11-17 07:39:29,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:29,619 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:39:29,620 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:39:29,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:39:29,620 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:39:29,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:39:29,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1383228095, now seen corresponding path program 1 times [2024-11-17 07:39:29,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:39:29,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761642162] [2024-11-17 07:39:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:39:29,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:39:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:39:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:39:29,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:39:29,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761642162] [2024-11-17 07:39:29,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761642162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:39:29,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:39:29,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:39:29,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579902193] [2024-11-17 07:39:29,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:39:29,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:39:29,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:39:29,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:39:29,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:39:29,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-17 07:39:29,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:29,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:39:29,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-17 07:39:29,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:39:33,934 INFO L124 PetriNetUnfolderBase]: 40835/53705 cut-off events. [2024-11-17 07:39:33,934 INFO L125 PetriNetUnfolderBase]: For 21426/21426 co-relation queries the response was YES. [2024-11-17 07:39:34,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129996 conditions, 53705 events. 40835/53705 cut-off events. For 21426/21426 co-relation queries the response was YES. Maximal size of possible extension queue 1518. Compared 303159 event pairs, 8415 based on Foata normal form. 0/53438 useless extension candidates. Maximal degree in co-relation 129983. Up to 21344 conditions per place. [2024-11-17 07:39:34,388 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 115 selfloop transitions, 13 changer transitions 4/136 dead transitions. [2024-11-17 07:39:34,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 136 transitions, 652 flow [2024-11-17 07:39:34,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:39:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 07:39:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 176 transitions. [2024-11-17 07:39:34,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.676923076923077 [2024-11-17 07:39:34,390 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 176 transitions. [2024-11-17 07:39:34,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 136 transitions, 652 flow [2024-11-17 07:39:34,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 136 transitions, 634 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-17 07:39:34,422 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2024-11-17 07:39:34,422 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} [2024-11-17 07:39:34,423 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2024-11-17 07:39:34,423 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2024-11-17 07:39:34,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:34,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:39:34,424 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] [2024-11-17 07:39:34,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:39:34,424 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:39:34,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:39:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1355328512, now seen corresponding path program 1 times [2024-11-17 07:39:34,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:39:34,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375210148] [2024-11-17 07:39:34,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:39:34,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:39:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:39:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:39:34,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:39:34,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375210148] [2024-11-17 07:39:34,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375210148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:39:34,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:39:34,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:39:34,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120233671] [2024-11-17 07:39:34,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:39:34,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:39:34,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:39:34,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:39:34,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:39:34,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 52 [2024-11-17 07:39:34,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:34,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:39:34,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 52 [2024-11-17 07:39:34,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:39:38,307 INFO L124 PetriNetUnfolderBase]: 39875/52409 cut-off events. [2024-11-17 07:39:38,307 INFO L125 PetriNetUnfolderBase]: For 31762/31762 co-relation queries the response was YES. [2024-11-17 07:39:38,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128695 conditions, 52409 events. 39875/52409 cut-off events. For 31762/31762 co-relation queries the response was YES. Maximal size of possible extension queue 1518. Compared 296629 event pairs, 8247 based on Foata normal form. 224/52590 useless extension candidates. Maximal degree in co-relation 128681. Up to 21344 conditions per place. [2024-11-17 07:39:38,459 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2024-11-17 07:39:38,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 128 transitions, 604 flow [2024-11-17 07:39:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:39:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 07:39:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 176 transitions. [2024-11-17 07:39:38,461 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5641025641025641 [2024-11-17 07:39:38,461 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 176 transitions. [2024-11-17 07:39:38,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 128 transitions, 604 flow [2024-11-17 07:39:40,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 128 transitions, 549 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-17 07:39:40,123 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-17 07:39:40,123 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} [2024-11-17 07:39:40,124 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-17 07:39:40,124 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-17 07:39:40,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:39:40,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-17 07:39:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-17 07:39:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-17 07:39:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-17 07:39:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-17 07:39:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-17 07:39:40,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-17 07:39:40,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-17 07:39:40,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-17 07:39:40,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-17 07:39:40,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-17 07:39:40,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-17 07:39:40,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-17 07:39:40,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-17 07:39:40,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-17 07:39:40,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-17 07:39:40,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-17 07:39:40,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-17 07:39:40,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-17 07:39:40,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-17 07:39:40,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:39:40,133 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-17 07:39:40,140 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 07:39:40,140 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:39:40,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:39:40 BasicIcfg [2024-11-17 07:39:40,147 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:39:40,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:39:40,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:39:40,147 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:39:40,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:39:08" (3/4) ... [2024-11-17 07:39:40,150 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 07:39:40,152 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-17 07:39:40,153 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-17 07:39:40,153 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-17 07:39:40,153 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-17 07:39:40,157 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-11-17 07:39:40,158 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-17 07:39:40,158 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-17 07:39:40,158 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-17 07:39:40,251 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 07:39:40,254 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 07:39:40,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:39:40,255 INFO L158 Benchmark]: Toolchain (without parser) took 33819.49ms. Allocated memory was 161.5MB in the beginning and 13.9GB in the end (delta: 13.7GB). Free memory was 106.3MB in the beginning and 11.9GB in the end (delta: -11.8GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-11-17 07:39:40,255 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 161.5MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:39:40,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.28ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 80.0MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-17 07:39:40,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.01ms. Allocated memory is still 161.5MB. Free memory was 80.0MB in the beginning and 77.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:39:40,256 INFO L158 Benchmark]: Boogie Preprocessor took 56.07ms. Allocated memory is still 161.5MB. Free memory was 77.0MB in the beginning and 73.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:39:40,256 INFO L158 Benchmark]: IcfgBuilder took 916.80ms. Allocated memory is still 161.5MB. Free memory was 73.2MB in the beginning and 74.5MB in the end (delta: -1.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-17 07:39:40,256 INFO L158 Benchmark]: TraceAbstraction took 32133.89ms. Allocated memory was 161.5MB in the beginning and 13.9GB in the end (delta: 13.7GB). Free memory was 74.0MB in the beginning and 11.9GB in the end (delta: -11.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-11-17 07:39:40,257 INFO L158 Benchmark]: Witness Printer took 107.03ms. Allocated memory is still 13.9GB. Free memory was 11.9GB in the beginning and 11.9GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:39:40,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 161.5MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.28ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 80.0MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.01ms. Allocated memory is still 161.5MB. Free memory was 80.0MB in the beginning and 77.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.07ms. Allocated memory is still 161.5MB. Free memory was 77.0MB in the beginning and 73.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 916.80ms. Allocated memory is still 161.5MB. Free memory was 73.2MB in the beginning and 74.5MB in the end (delta: -1.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32133.89ms. Allocated memory was 161.5MB in the beginning and 13.9GB in the end (delta: 13.7GB). Free memory was 74.0MB in the beginning and 11.9GB in the end (delta: -11.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * Witness Printer took 107.03ms. Allocated memory is still 13.9GB. Free memory was 11.9GB in the beginning and 11.9GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: 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: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: 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: 32.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 30.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 320 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 616 IncrementalHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 616 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, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-17 07:39:40,290 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