./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix023_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/mix023_tso.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 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:30:35,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:30:35,838 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:30:35,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:30:35,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:30:35,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:30:35,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:30:35,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:30:35,875 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:30:35,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:30:35,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:30:35,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:30:35,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:30:35,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:30:35,877 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:30:35,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:30:35,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:30:35,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:30:35,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:30:35,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:30:35,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:30:35,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:30:35,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:30:35,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:30:35,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:30:35,881 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:30:35,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:30:35,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:30:35,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:30:35,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:30:35,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:30:35,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:30:35,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:30:35,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:30:35,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:30:35,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:30:35,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:30:35,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:30:35,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:30:35,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:30:35,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:30:35,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:30:35,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:30:35,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:30:35,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 [2024-11-12 20:30:36,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:30:36,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:30:36,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:30:36,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:30:36,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:30:36,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix023_tso.i [2024-11-12 20:30:37,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:30:37,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:30:37,923 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix023_tso.i [2024-11-12 20:30:37,943 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/551e64a3e/5a45bc5e0b38476fa0fb2ce4801db6f0/FLAGf5e6351ac [2024-11-12 20:30:37,962 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/551e64a3e/5a45bc5e0b38476fa0fb2ce4801db6f0 [2024-11-12 20:30:37,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:30:37,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:30:37,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:30:37,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:30:37,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:30:37,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:30:37" (1/1) ... [2024-11-12 20:30:37,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c8e320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:37, skipping insertion in model container [2024-11-12 20:30:37,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:30:37" (1/1) ... [2024-11-12 20:30:38,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:30:38,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:30:38,590 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:30:38,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:30:38,721 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:30:38,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38 WrapperNode [2024-11-12 20:30:38,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:30:38,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:30:38,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:30:38,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:30:38,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,806 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 283 [2024-11-12 20:30:38,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:30:38,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:30:38,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:30:38,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:30:38,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,850 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]. [2024-11-12 20:30:38,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:30:38,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:30:38,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:30:38,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:30:38,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (1/1) ... [2024-11-12 20:30:38,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:30:38,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:30:38,931 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) [2024-11-12 20:30:38,935 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 [2024-11-12 20:30:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 20:30:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:30:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-12 20:30:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-12 20:30:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-12 20:30:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-12 20:30:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-12 20:30:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-12 20:30:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-12 20:30:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-12 20:30:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:30:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 20:30:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:30:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:30:38,990 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 20:30:39,194 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:30:39,196 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:30:39,705 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 20:30:39,705 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:30:40,196 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:30:40,196 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 20:30:40,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:30:40 BoogieIcfgContainer [2024-11-12 20:30:40,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:30:40,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:30:40,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:30:40,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:30:40,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:30:37" (1/3) ... [2024-11-12 20:30:40,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fe867e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:30:40, skipping insertion in model container [2024-11-12 20:30:40,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:30:38" (2/3) ... [2024-11-12 20:30:40,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fe867e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:30:40, skipping insertion in model container [2024-11-12 20:30:40,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:30:40" (3/3) ... [2024-11-12 20:30:40,208 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_tso.i [2024-11-12 20:30:40,225 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:30:40,225 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-12 20:30:40,226 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 20:30:40,309 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 20:30:40,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2024-11-12 20:30:40,384 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-12 20:30:40,384 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 20:30:40,389 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 127 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. [2024-11-12 20:30:40,389 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2024-11-12 20:30:40,392 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2024-11-12 20:30:40,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:30:40,413 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;@243639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:30:40,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-12 20:30:40,421 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 20:30:40,421 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-12 20:30:40,421 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 20:30:40,422 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:30:40,422 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:30:40,423 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-12 20:30:40,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:30:40,429 INFO L85 PathProgramCache]: Analyzing trace with hash 479476015, now seen corresponding path program 1 times [2024-11-12 20:30:40,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:30:40,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082054740] [2024-11-12 20:30:40,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:30:40,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:30:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:30:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:30:40,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:30:40,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082054740] [2024-11-12 20:30:40,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082054740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:30:40,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:30:40,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 20:30:40,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707133766] [2024-11-12 20:30:40,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:30:40,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:30:40,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:30:40,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:30:40,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:30:40,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52 [2024-11-12 20:30:40,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-12 20:30:40,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:30:40,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52 [2024-11-12 20:30:40,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:30:48,453 INFO L124 PetriNetUnfolderBase]: 34243/45605 cut-off events. [2024-11-12 20:30:48,454 INFO L125 PetriNetUnfolderBase]: For 222/222 co-relation queries the response was YES. [2024-11-12 20:30:48,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91585 conditions, 45605 events. 34243/45605 cut-off events. For 222/222 co-relation queries the response was YES. Maximal size of possible extension queue 2031. Compared 283884 event pairs, 12771 based on Foata normal form. 0/34887 useless extension candidates. Maximal degree in co-relation 91573. Up to 44073 conditions per place. [2024-11-12 20:30:48,786 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 55 selfloop transitions, 5 changer transitions 0/71 dead transitions. [2024-11-12 20:30:48,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 71 transitions, 283 flow [2024-11-12 20:30:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:30:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 20:30:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2024-11-12 20:30:48,799 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7243589743589743 [2024-11-12 20:30:48,801 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 113 transitions. [2024-11-12 20:30:48,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 71 transitions, 283 flow [2024-11-12 20:30:48,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 71 transitions, 276 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 20:30:48,815 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2024-11-12 20:30:48,817 INFO L262 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} [2024-11-12 20:30:48,823 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-12 20:30:48,823 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2024-11-12 20:30:48,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-12 20:30:48,824 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:30:48,824 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:30:48,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:30:48,824 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-12 20:30:48,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:30:48,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1647122026, now seen corresponding path program 1 times [2024-11-12 20:30:48,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:30:48,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140743426] [2024-11-12 20:30:48,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:30:48,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:30:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:30:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:30:49,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:30:49,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140743426] [2024-11-12 20:30:49,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140743426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:30:49,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:30:49,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 20:30:49,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227069882] [2024-11-12 20:30:49,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:30:49,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:30:49,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:30:49,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:30:49,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:30:49,047 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52 [2024-11-12 20:30:49,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-12 20:30:49,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:30:49,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52 [2024-11-12 20:30:49,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:30:52,853 INFO L124 PetriNetUnfolderBase]: 20213/27075 cut-off events. [2024-11-12 20:30:52,854 INFO L125 PetriNetUnfolderBase]: For 1931/1931 co-relation queries the response was YES. [2024-11-12 20:30:52,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63092 conditions, 27075 events. 20213/27075 cut-off events. For 1931/1931 co-relation queries the response was YES. Maximal size of possible extension queue 1267. Compared 164409 event pairs, 6381 based on Foata normal form. 0/23293 useless extension candidates. Maximal degree in co-relation 63081. Up to 25542 conditions per place. [2024-11-12 20:30:52,982 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 51 selfloop transitions, 5 changer transitions 0/67 dead transitions. [2024-11-12 20:30:52,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 67 transitions, 291 flow [2024-11-12 20:30:52,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:30:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 20:30:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 120 transitions. [2024-11-12 20:30:52,984 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5769230769230769 [2024-11-12 20:30:52,985 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 120 transitions. [2024-11-12 20:30:52,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 67 transitions, 291 flow [2024-11-12 20:30:52,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 67 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 20:30:52,992 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow [2024-11-12 20:30:52,992 INFO L262 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} [2024-11-12 20:30:52,993 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-12 20:30:52,993 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow [2024-11-12 20:30:52,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-12 20:30:52,994 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:30:52,994 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:30:52,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 20:30:52,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-12 20:30:52,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:30:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1647122025, now seen corresponding path program 1 times [2024-11-12 20:30:52,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:30:52,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824499868] [2024-11-12 20:30:52,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:30:52,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:30:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:30:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:30:53,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:30:53,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824499868] [2024-11-12 20:30:53,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824499868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:30:53,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:30:53,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 20:30:53,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118361765] [2024-11-12 20:30:53,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:30:53,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:30:53,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:30:53,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:30:53,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:30:53,142 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52 [2024-11-12 20:30:53,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-12 20:30:53,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:30:53,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52 [2024-11-12 20:30:53,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:30:55,967 INFO L124 PetriNetUnfolderBase]: 14251/19301 cut-off events. [2024-11-12 20:30:55,967 INFO L125 PetriNetUnfolderBase]: For 2968/2968 co-relation queries the response was YES. [2024-11-12 20:30:55,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44077 conditions, 19301 events. 14251/19301 cut-off events. For 2968/2968 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 114839 event pairs, 2363 based on Foata normal form. 0/17871 useless extension candidates. Maximal degree in co-relation 44065. Up to 13121 conditions per place. [2024-11-12 20:30:56,048 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 72 selfloop transitions, 9 changer transitions 0/92 dead transitions. [2024-11-12 20:30:56,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 92 transitions, 408 flow [2024-11-12 20:30:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:30:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 20:30:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 145 transitions. [2024-11-12 20:30:56,050 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6971153846153846 [2024-11-12 20:30:56,050 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 145 transitions. [2024-11-12 20:30:56,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 92 transitions, 408 flow [2024-11-12 20:30:56,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 92 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 20:30:56,054 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow [2024-11-12 20:30:56,055 INFO L262 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} [2024-11-12 20:30:56,055 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-12 20:30:56,055 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow [2024-11-12 20:30:56,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-12 20:30:56,056 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:30:56,056 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:30:56,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:30:56,056 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-12 20:30:56,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:30:56,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1904191677, now seen corresponding path program 1 times [2024-11-12 20:30:56,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:30:56,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74885831] [2024-11-12 20:30:56,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:30:56,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:30:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:30:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:30:56,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:30:56,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74885831] [2024-11-12 20:30:56,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74885831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:30:56,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:30:56,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:30:56,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256199099] [2024-11-12 20:30:56,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:30:56,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:30:56,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:30:56,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:30:56,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:30:56,253 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52 [2024-11-12 20:30:56,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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) [2024-11-12 20:30:56,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:30:56,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52 [2024-11-12 20:30:56,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:30:58,098 INFO L124 PetriNetUnfolderBase]: 11347/15365 cut-off events. [2024-11-12 20:30:58,098 INFO L125 PetriNetUnfolderBase]: For 7197/7197 co-relation queries the response was YES. [2024-11-12 20:30:58,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39260 conditions, 15365 events. 11347/15365 cut-off events. For 7197/7197 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 90760 event pairs, 1119 based on Foata normal form. 0/15111 useless extension candidates. Maximal degree in co-relation 39247. Up to 5424 conditions per place. [2024-11-12 20:30:58,178 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 87 selfloop transitions, 13 changer transitions 4/115 dead transitions. [2024-11-12 20:30:58,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 115 transitions, 554 flow [2024-11-12 20:30:58,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:30:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 20:30:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 183 transitions. [2024-11-12 20:30:58,180 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7038461538461539 [2024-11-12 20:30:58,181 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 183 transitions. [2024-11-12 20:30:58,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 115 transitions, 554 flow [2024-11-12 20:30:58,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 115 transitions, 536 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-12 20:30:58,191 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2024-11-12 20:30:58,191 INFO L262 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} [2024-11-12 20:30:58,192 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2024-11-12 20:30:58,192 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2024-11-12 20:30:58,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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) [2024-11-12 20:30:58,192 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 20:30:58,192 INFO L206 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] [2024-11-12 20:30:58,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:30:58,193 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-12 20:30:58,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:30:58,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1318718801, now seen corresponding path program 1 times [2024-11-12 20:30:58,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:30:58,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214341266] [2024-11-12 20:30:58,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:30:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:30:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:30:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:30:58,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:30:58,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214341266] [2024-11-12 20:30:58,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214341266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:30:58,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:30:58,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:30:58,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798675980] [2024-11-12 20:30:58,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:30:58,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 20:30:58,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:30:58,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 20:30:58,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 20:30:58,534 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52 [2024-11-12 20:30:58,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:30:58,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 20:30:58,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52 [2024-11-12 20:30:58,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 20:31:00,329 INFO L124 PetriNetUnfolderBase]: 10531/14261 cut-off events. [2024-11-12 20:31:00,330 INFO L125 PetriNetUnfolderBase]: For 11901/11901 co-relation queries the response was YES. [2024-11-12 20:31:00,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37371 conditions, 14261 events. 10531/14261 cut-off events. For 11901/11901 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 85501 event pairs, 975 based on Foata normal form. 192/14391 useless extension candidates. Maximal degree in co-relation 37357. Up to 5424 conditions per place. [2024-11-12 20:31:00,378 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions. [2024-11-12 20:31:00,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 107 transitions, 506 flow [2024-11-12 20:31:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 20:31:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 20:31:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2024-11-12 20:31:00,380 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6089743589743589 [2024-11-12 20:31:00,380 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 190 transitions. [2024-11-12 20:31:00,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 107 transitions, 506 flow [2024-11-12 20:31:00,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 107 transitions, 451 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-12 20:31:00,641 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-12 20:31:00,641 INFO L262 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} [2024-11-12 20:31:00,642 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-12 20:31:00,643 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-12 20:31:00,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:31:00,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-12 20:31:00,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-12 20:31:00,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-12 20:31:00,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-12 20:31:00,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-12 20:31:00,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-12 20:31:00,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-12 20:31:00,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-12 20:31:00,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-12 20:31:00,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-12 20:31:00,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-12 20:31:00,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-12 20:31:00,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-12 20:31:00,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-12 20:31:00,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-12 20:31:00,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-12 20:31:00,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-12 20:31:00,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-12 20:31:00,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-12 20:31:00,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-12 20:31:00,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 20:31:00,651 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-12 20:31:00,657 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 20:31:00,657 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 20:31:00,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 08:31:00 BasicIcfg [2024-11-12 20:31:00,665 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 20:31:00,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:31:00,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:31:00,666 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:31:00,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:30:40" (3/4) ... [2024-11-12 20:31:00,668 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 20:31:00,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-12 20:31:00,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-12 20:31:00,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-12 20:31:00,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-12 20:31:00,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2024-11-12 20:31:00,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-12 20:31:00,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-12 20:31:00,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-12 20:31:00,807 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 20:31:00,807 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 20:31:00,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:31:00,810 INFO L158 Benchmark]: Toolchain (without parser) took 22841.92ms. Allocated memory was 153.1MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 117.6MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-12 20:31:00,811 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 104.9MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:31:00,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.05ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 85.1MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-12 20:31:00,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.20ms. Allocated memory is still 153.1MB. Free memory was 85.1MB in the beginning and 79.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 20:31:00,812 INFO L158 Benchmark]: Boogie Preprocessor took 77.77ms. Allocated memory is still 153.1MB. Free memory was 79.8MB in the beginning and 73.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 20:31:00,812 INFO L158 Benchmark]: RCFGBuilder took 1310.51ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 73.5MB in the beginning and 117.8MB in the end (delta: -44.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-12 20:31:00,812 INFO L158 Benchmark]: TraceAbstraction took 20465.58ms. Allocated memory was 199.2MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 117.8MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-12 20:31:00,813 INFO L158 Benchmark]: Witness Printer took 142.43ms. Allocated memory is still 7.7GB. Free memory was 5.9GB in the beginning and 5.9GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 20:31:00,814 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 104.9MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.05ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 85.1MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.20ms. Allocated memory is still 153.1MB. Free memory was 85.1MB in the beginning and 79.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.77ms. Allocated memory is still 153.1MB. Free memory was 79.8MB in the beginning and 73.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1310.51ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 73.5MB in the beginning and 117.8MB in the end (delta: -44.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * TraceAbstraction took 20465.58ms. Allocated memory was 199.2MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 117.8MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 142.43ms. Allocated memory is still 7.7GB. Free memory was 5.9GB in the beginning and 5.9GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 905]: 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: 20.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 266 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 517 IncrementalHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 517 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 20:31:00,841 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