./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix042.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix042.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:28:34,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:28:34,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:28:34,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:28:34,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:28:34,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:28:34,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:28:34,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:28:34,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:28:34,232 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:28:34,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:28:34,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:28:34,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:28:34,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:28:34,233 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:28:34,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:28:34,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:28:34,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:28:34,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:28:34,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:28:34,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:28:34,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:28:34,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:28:34,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:28:34,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:28:34,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:28:34,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:28:34,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:28:34,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:28:34,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:28:34,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:28:34,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:28:34,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:28:34,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:28:34,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:28:34,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:28:34,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:28:34,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:28:34,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:28:34,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:28:34,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:28:34,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:28:34,247 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:28:34,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:28:34,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 [2024-10-24 23:28:34,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:28:34,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:28:34,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:28:34,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:28:34,545 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:28:34,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix042.opt.i [2024-10-24 23:28:35,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:28:36,128 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:28:36,129 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix042.opt.i [2024-10-24 23:28:36,140 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88ba298d/96f63ad7bd4a49b0a6b150aa8cdf0291/FLAGeb4415b88 [2024-10-24 23:28:36,464 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88ba298d/96f63ad7bd4a49b0a6b150aa8cdf0291 [2024-10-24 23:28:36,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:28:36,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:28:36,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:28:36,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:28:36,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:28:36,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:36,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442b16d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36, skipping insertion in model container [2024-10-24 23:28:36,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:36,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:28:36,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:28:36,856 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:28:36,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:28:36,966 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:28:36,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36 WrapperNode [2024-10-24 23:28:36,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:28:36,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:28:36,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:28:36,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:28:36,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:36,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,031 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 148 [2024-10-24 23:28:37,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:28:37,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:28:37,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:28:37,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:28:37,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,077 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]. [2024-10-24 23:28:37,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:28:37,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:28:37,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:28:37,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:28:37,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (1/1) ... [2024-10-24 23:28:37,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:28:37,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:28:37,138 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) [2024-10-24 23:28:37,144 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 [2024-10-24 23:28:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 23:28:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:28:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-24 23:28:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-24 23:28:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-24 23:28:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-24 23:28:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-24 23:28:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-24 23:28:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:28:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 23:28:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:28:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:28:37,184 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 23:28:37,290 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:28:37,292 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:28:37,613 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 23:28:37,613 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:28:37,823 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:28:37,826 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 23:28:37,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:28:37 BoogieIcfgContainer [2024-10-24 23:28:37,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:28:37,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:28:37,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:28:37,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:28:37,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:28:36" (1/3) ... [2024-10-24 23:28:37,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb753af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:28:37, skipping insertion in model container [2024-10-24 23:28:37,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:36" (2/3) ... [2024-10-24 23:28:37,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb753af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:28:37, skipping insertion in model container [2024-10-24 23:28:37,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:28:37" (3/3) ... [2024-10-24 23:28:37,839 INFO L112 eAbstractionObserver]: Analyzing ICFG mix042.opt.i [2024-10-24 23:28:37,855 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:28:37,855 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-24 23:28:37,855 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 23:28:37,912 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 23:28:37,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 94 flow [2024-10-24 23:28:37,965 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-10-24 23:28:37,965 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:28:37,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 85 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-24 23:28:37,967 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 41 transitions, 94 flow [2024-10-24 23:28:37,970 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 38 transitions, 85 flow [2024-10-24 23:28:37,977 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:28:37,984 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;@2eaa6607, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:28:37,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-24 23:28:37,990 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 23:28:37,991 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-24 23:28:37,991 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:28:37,992 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:28:37,992 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:28:37,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:28:37,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:28:37,998 INFO L85 PathProgramCache]: Analyzing trace with hash 801805954, now seen corresponding path program 1 times [2024-10-24 23:28:38,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:28:38,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460738786] [2024-10-24 23:28:38,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:28:38,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:28:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:28:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:28:38,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:28:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460738786] [2024-10-24 23:28:38,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460738786] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:28:38,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:28:38,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 23:28:38,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767185171] [2024-10-24 23:28:38,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:28:38,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:28:38,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:28:38,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:28:38,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:28:38,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 41 [2024-10-24 23:28:38,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-10-24 23:28:38,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:28:38,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 41 [2024-10-24 23:28:38,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:28:38,781 INFO L124 PetriNetUnfolderBase]: 2073/3077 cut-off events. [2024-10-24 23:28:38,782 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-24 23:28:38,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6186 conditions, 3077 events. 2073/3077 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 18207 event pairs, 771 based on Foata normal form. 0/2328 useless extension candidates. Maximal degree in co-relation 6175. Up to 2975 conditions per place. [2024-10-24 23:28:38,805 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 37 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2024-10-24 23:28:38,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 53 transitions, 203 flow [2024-10-24 23:28:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:28:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 23:28:38,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2024-10-24 23:28:38,817 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7479674796747967 [2024-10-24 23:28:38,818 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 85 flow. Second operand 3 states and 92 transitions. [2024-10-24 23:28:38,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 53 transitions, 203 flow [2024-10-24 23:28:38,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 53 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 23:28:38,824 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 118 flow [2024-10-24 23:28:38,826 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2024-10-24 23:28:38,829 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2024-10-24 23:28:38,830 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 118 flow [2024-10-24 23:28:38,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-10-24 23:28:38,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:28:38,830 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:28:38,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:28:38,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:28:38,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:28:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash 132389629, now seen corresponding path program 1 times [2024-10-24 23:28:38,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:28:38,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624171580] [2024-10-24 23:28:38,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:28:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:28:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:28:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:28:38,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:28:38,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624171580] [2024-10-24 23:28:38,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624171580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:28:38,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:28:38,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:28:38,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464219887] [2024-10-24 23:28:38,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:28:38,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:28:38,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:28:38,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:28:38,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:28:38,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 41 [2024-10-24 23:28:38,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-10-24 23:28:38,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:28:38,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 41 [2024-10-24 23:28:38,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:28:39,269 INFO L124 PetriNetUnfolderBase]: 1341/2013 cut-off events. [2024-10-24 23:28:39,269 INFO L125 PetriNetUnfolderBase]: For 195/195 co-relation queries the response was YES. [2024-10-24 23:28:39,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4790 conditions, 2013 events. 1341/2013 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 11194 event pairs, 425 based on Foata normal form. 0/1704 useless extension candidates. Maximal degree in co-relation 4779. Up to 1910 conditions per place. [2024-10-24 23:28:39,287 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 34 selfloop transitions, 4 changer transitions 0/50 dead transitions. [2024-10-24 23:28:39,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 50 transitions, 210 flow [2024-10-24 23:28:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:28:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:28:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 101 transitions. [2024-10-24 23:28:39,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6158536585365854 [2024-10-24 23:28:39,289 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 118 flow. Second operand 4 states and 101 transitions. [2024-10-24 23:28:39,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 50 transitions, 210 flow [2024-10-24 23:28:39,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 50 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 23:28:39,290 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 110 flow [2024-10-24 23:28:39,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-10-24 23:28:39,291 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-10-24 23:28:39,291 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 110 flow [2024-10-24 23:28:39,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-10-24 23:28:39,292 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:28:39,292 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:28:39,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 23:28:39,292 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:28:39,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:28:39,293 INFO L85 PathProgramCache]: Analyzing trace with hash 132389630, now seen corresponding path program 1 times [2024-10-24 23:28:39,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:28:39,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926404241] [2024-10-24 23:28:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:28:39,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:28:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:28:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:28:39,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:28:39,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926404241] [2024-10-24 23:28:39,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926404241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:28:39,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:28:39,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:28:39,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176771440] [2024-10-24 23:28:39,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:28:39,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:28:39,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:28:39,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:28:39,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:28:39,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 41 [2024-10-24 23:28:39,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-10-24 23:28:39,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:28:39,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 41 [2024-10-24 23:28:39,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:28:39,576 INFO L124 PetriNetUnfolderBase]: 909/1393 cut-off events. [2024-10-24 23:28:39,576 INFO L125 PetriNetUnfolderBase]: For 328/328 co-relation queries the response was YES. [2024-10-24 23:28:39,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3247 conditions, 1393 events. 909/1393 cut-off events. For 328/328 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7236 event pairs, 99 based on Foata normal form. 0/1308 useless extension candidates. Maximal degree in co-relation 3235. Up to 893 conditions per place. [2024-10-24 23:28:39,583 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 44 selfloop transitions, 7 changer transitions 3/66 dead transitions. [2024-10-24 23:28:39,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 66 transitions, 286 flow [2024-10-24 23:28:39,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:28:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:28:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 117 transitions. [2024-10-24 23:28:39,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7134146341463414 [2024-10-24 23:28:39,585 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 110 flow. Second operand 4 states and 117 transitions. [2024-10-24 23:28:39,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 66 transitions, 286 flow [2024-10-24 23:28:39,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 66 transitions, 281 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 23:28:39,587 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 131 flow [2024-10-24 23:28:39,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2024-10-24 23:28:39,587 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2024-10-24 23:28:39,588 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 131 flow [2024-10-24 23:28:39,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-10-24 23:28:39,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:28:39,588 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] [2024-10-24 23:28:39,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:28:39,589 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:28:39,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:28:39,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2077880570, now seen corresponding path program 1 times [2024-10-24 23:28:39,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:28:39,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096802027] [2024-10-24 23:28:39,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:28:39,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:28:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:28:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:28:39,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:28:39,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096802027] [2024-10-24 23:28:39,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096802027] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:28:39,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:28:39,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:28:39,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755946675] [2024-10-24 23:28:39,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:28:39,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:28:39,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:28:39,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:28:39,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:28:39,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 41 [2024-10-24 23:28:39,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-10-24 23:28:39,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:28:39,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 41 [2024-10-24 23:28:39,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:28:39,901 INFO L124 PetriNetUnfolderBase]: 641/1005 cut-off events. [2024-10-24 23:28:39,902 INFO L125 PetriNetUnfolderBase]: For 771/771 co-relation queries the response was YES. [2024-10-24 23:28:39,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2706 conditions, 1005 events. 641/1005 cut-off events. For 771/771 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5359 event pairs, 39 based on Foata normal form. 72/1064 useless extension candidates. Maximal degree in co-relation 2693. Up to 504 conditions per place. [2024-10-24 23:28:39,905 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions. [2024-10-24 23:28:39,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 60 transitions, 265 flow [2024-10-24 23:28:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:28:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 23:28:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2024-10-24 23:28:39,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6146341463414634 [2024-10-24 23:28:39,907 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 131 flow. Second operand 5 states and 126 transitions. [2024-10-24 23:28:39,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 60 transitions, 265 flow [2024-10-24 23:28:39,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 60 transitions, 241 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-10-24 23:28:39,910 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-10-24 23:28:39,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2024-10-24 23:28:39,911 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2024-10-24 23:28:39,911 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-10-24 23:28:39,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-10-24 23:28:39,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-10-24 23:28:39,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-10-24 23:28:39,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-10-24 23:28:39,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-10-24 23:28:39,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-10-24 23:28:39,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-10-24 23:28:39,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-24 23:28:39,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-10-24 23:28:39,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-10-24 23:28:39,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-10-24 23:28:39,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-10-24 23:28:39,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-10-24 23:28:39,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-10-24 23:28:39,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-10-24 23:28:39,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-10-24 23:28:39,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:28:39,917 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-24 23:28:39,923 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 23:28:39,923 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 23:28:39,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:28:39 BasicIcfg [2024-10-24 23:28:39,928 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 23:28:39,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:28:39,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:28:39,929 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:28:39,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:28:37" (3/4) ... [2024-10-24 23:28:39,931 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 23:28:39,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-24 23:28:39,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-24 23:28:39,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-24 23:28:39,938 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 90 nodes and edges [2024-10-24 23:28:39,938 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-24 23:28:39,939 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 23:28:39,939 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-24 23:28:40,014 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 23:28:40,015 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 23:28:40,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:28:40,016 INFO L158 Benchmark]: Toolchain (without parser) took 3548.20ms. Allocated memory was 176.2MB in the beginning and 356.5MB in the end (delta: 180.4MB). Free memory was 121.1MB in the beginning and 291.3MB in the end (delta: -170.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-24 23:28:40,016 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 176.2MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:28:40,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.17ms. Allocated memory is still 176.2MB. Free memory was 121.1MB in the beginning and 95.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-24 23:28:40,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.20ms. Allocated memory is still 176.2MB. Free memory was 95.8MB in the beginning and 92.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:28:40,017 INFO L158 Benchmark]: Boogie Preprocessor took 71.40ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 89.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 23:28:40,017 INFO L158 Benchmark]: RCFGBuilder took 722.65ms. Allocated memory is still 176.2MB. Free memory was 89.2MB in the beginning and 107.4MB in the end (delta: -18.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-10-24 23:28:40,017 INFO L158 Benchmark]: TraceAbstraction took 2100.63ms. Allocated memory was 176.2MB in the beginning and 356.5MB in the end (delta: 180.4MB). Free memory was 107.4MB in the beginning and 296.6MB in the end (delta: -189.2MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2024-10-24 23:28:40,017 INFO L158 Benchmark]: Witness Printer took 86.02ms. Allocated memory is still 356.5MB. Free memory was 296.6MB in the beginning and 291.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 23:28:40,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 176.2MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.17ms. Allocated memory is still 176.2MB. Free memory was 121.1MB in the beginning and 95.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.20ms. Allocated memory is still 176.2MB. Free memory was 95.8MB in the beginning and 92.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.40ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 89.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 722.65ms. Allocated memory is still 176.2MB. Free memory was 89.2MB in the beginning and 107.4MB in the end (delta: -18.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2100.63ms. Allocated memory was 176.2MB in the beginning and 356.5MB in the end (delta: 180.4MB). Free memory was 107.4MB in the beginning and 296.6MB in the end (delta: -189.2MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. * Witness Printer took 86.02ms. Allocated memory is still 356.5MB. Free memory was 296.6MB in the beginning and 291.3MB 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: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 74 locations, 15 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: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 0.3s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 23:28:40,047 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