./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/mix028_power.opt_pso.opt_rmo.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 a86612b573a63cde2c4106f45bf8b3ea66989a894eb80420a80ff8b17f8f03d1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:28:51,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:28:51,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:28:52,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:28:52,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:28:52,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:28:52,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:28:52,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:28:52,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:28:52,029 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:28:52,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:28:52,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:28:52,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:28:52,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:28:52,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:28:52,030 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:28:52,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:28:52,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:28:52,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:28:52,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:28:52,032 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> a86612b573a63cde2c4106f45bf8b3ea66989a894eb80420a80ff8b17f8f03d1 [2025-03-17 19:28:52,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:28:52,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:28:52,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:28:52,261 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:28:52,261 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:28:52,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i [2025-03-17 19:28:53,430 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78bbf383/ec2862de24264a4db8bac5e7d53c6ad5/FLAG6ff64d606 [2025-03-17 19:28:53,738 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:28:53,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i [2025-03-17 19:28:53,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78bbf383/ec2862de24264a4db8bac5e7d53c6ad5/FLAG6ff64d606 [2025-03-17 19:28:53,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78bbf383/ec2862de24264a4db8bac5e7d53c6ad5 [2025-03-17 19:28:53,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:28:53,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:28:53,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:28:53,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:28:53,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:28:53,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:28:53" (1/1) ... [2025-03-17 19:28:53,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcac649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:53, skipping insertion in model container [2025-03-17 19:28:53,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:28:53" (1/1) ... [2025-03-17 19:28:53,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:28:54,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:28:54,085 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:28:54,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:28:54,168 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:28:54,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54 WrapperNode [2025-03-17 19:28:54,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:28:54,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:28:54,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:28:54,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:28:54,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,213 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 140 [2025-03-17 19:28:54,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:28:54,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:28:54,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:28:54,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:28:54,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,226 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,238 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]. [2025-03-17 19:28:54,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:28:54,250 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:28:54,250 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:28:54,250 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:28:54,251 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (1/1) ... [2025-03-17 19:28:54,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:28:54,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:28:54,284 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) [2025-03-17 19:28:54,286 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 [2025-03-17 19:28:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-17 19:28:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:28:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-17 19:28:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-17 19:28:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-17 19:28:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-17 19:28:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-17 19:28:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-17 19:28:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:28:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-17 19:28:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:28:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:28:54,304 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 19:28:54,398 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:28:54,400 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:28:54,673 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 19:28:54,673 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:28:54,872 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:28:54,873 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 19:28:54,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:28:54 BoogieIcfgContainer [2025-03-17 19:28:54,874 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:28:54,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:28:54,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:28:54,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:28:54,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:28:53" (1/3) ... [2025-03-17 19:28:54,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d554b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:28:54, skipping insertion in model container [2025-03-17 19:28:54,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:28:54" (2/3) ... [2025-03-17 19:28:54,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d554b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:28:54, skipping insertion in model container [2025-03-17 19:28:54,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:28:54" (3/3) ... [2025-03-17 19:28:54,885 INFO L128 eAbstractionObserver]: Analyzing ICFG mix028_power.opt_pso.opt_rmo.opt.i [2025-03-17 19:28:54,898 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:28:54,902 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix028_power.opt_pso.opt_rmo.opt.i that has 4 procedures, 41 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-17 19:28:54,904 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 19:28:54,955 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-17 19:28:54,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 40 transitions, 92 flow [2025-03-17 19:28:55,010 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2025-03-17 19:28:55,014 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 19:28:55,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 83 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-03-17 19:28:55,019 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 40 transitions, 92 flow [2025-03-17 19:28:55,022 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 37 transitions, 83 flow [2025-03-17 19:28:55,031 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:28:55,039 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;@17e31fdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:28:55,043 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-17 19:28:55,051 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 19:28:55,051 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2025-03-17 19:28:55,051 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 19:28:55,051 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:28:55,052 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:28:55,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-17 19:28:55,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:28:55,059 INFO L85 PathProgramCache]: Analyzing trace with hash 778542974, now seen corresponding path program 1 times [2025-03-17 19:28:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:28:55,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136829238] [2025-03-17 19:28:55,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:28:55,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:28:55,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:28:55,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:28:55,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:28:55,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:28:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:28:55,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:28:55,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136829238] [2025-03-17 19:28:55,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136829238] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:28:55,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:28:55,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 19:28:55,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357817853] [2025-03-17 19:28:55,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:28:55,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:28:55,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:28:55,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:28:55,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:28:55,373 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2025-03-17 19:28:55,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2025-03-17 19:28:55,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:28:55,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2025-03-17 19:28:55,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:28:56,462 INFO L124 PetriNetUnfolderBase]: 6779/9719 cut-off events. [2025-03-17 19:28:56,463 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2025-03-17 19:28:56,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19534 conditions, 9719 events. 6779/9719 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 52560 event pairs, 2409 based on Foata normal form. 0/8460 useless extension candidates. Maximal degree in co-relation 19523. Up to 7845 conditions per place. [2025-03-17 19:28:56,519 INFO L140 encePairwiseOnDemand]: 30/40 looper letters, 53 selfloop transitions, 4 changer transitions 0/60 dead transitions. [2025-03-17 19:28:56,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 60 transitions, 249 flow [2025-03-17 19:28:56,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:28:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 19:28:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2025-03-17 19:28:56,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.675 [2025-03-17 19:28:56,531 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 83 flow. Second operand 3 states and 81 transitions. [2025-03-17 19:28:56,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 60 transitions, 249 flow [2025-03-17 19:28:56,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 60 transitions, 244 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-17 19:28:56,538 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 116 flow [2025-03-17 19:28:56,540 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2025-03-17 19:28:56,544 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 0 predicate places. [2025-03-17 19:28:56,545 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 116 flow [2025-03-17 19:28:56,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2025-03-17 19:28:56,545 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:28:56,545 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:28:56,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:28:56,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-17 19:28:56,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:28:56,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1077608456, now seen corresponding path program 1 times [2025-03-17 19:28:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:28:56,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311171432] [2025-03-17 19:28:56,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:28:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:28:56,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:28:56,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:28:56,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:28:56,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:28:56,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:28:56,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:28:56,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311171432] [2025-03-17 19:28:56,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311171432] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:28:56,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:28:56,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:28:56,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709133754] [2025-03-17 19:28:56,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:28:56,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:28:56,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:28:56,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:28:56,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:28:56,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2025-03-17 19:28:56,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2025-03-17 19:28:56,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:28:56,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2025-03-17 19:28:56,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:28:57,431 INFO L124 PetriNetUnfolderBase]: 5456/7814 cut-off events. [2025-03-17 19:28:57,432 INFO L125 PetriNetUnfolderBase]: For 504/504 co-relation queries the response was YES. [2025-03-17 19:28:57,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17616 conditions, 7814 events. 5456/7814 cut-off events. For 504/504 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 41038 event pairs, 1908 based on Foata normal form. 0/7263 useless extension candidates. Maximal degree in co-relation 17605. Up to 5939 conditions per place. [2025-03-17 19:28:57,474 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 50 selfloop transitions, 4 changer transitions 0/57 dead transitions. [2025-03-17 19:28:57,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 57 transitions, 256 flow [2025-03-17 19:28:57,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:28:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-17 19:28:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 81 transitions. [2025-03-17 19:28:57,477 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.50625 [2025-03-17 19:28:57,477 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 116 flow. Second operand 4 states and 81 transitions. [2025-03-17 19:28:57,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 57 transitions, 256 flow [2025-03-17 19:28:57,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 57 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 19:28:57,481 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 108 flow [2025-03-17 19:28:57,482 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2025-03-17 19:28:57,483 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2025-03-17 19:28:57,483 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 108 flow [2025-03-17 19:28:57,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2025-03-17 19:28:57,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:28:57,483 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:28:57,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 19:28:57,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-17 19:28:57,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:28:57,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1077608455, now seen corresponding path program 1 times [2025-03-17 19:28:57,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:28:57,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657762936] [2025-03-17 19:28:57,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:28:57,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:28:57,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:28:57,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:28:57,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:28:57,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:28:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:28:57,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:28:57,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657762936] [2025-03-17 19:28:57,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657762936] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:28:57,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:28:57,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:28:57,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166657997] [2025-03-17 19:28:57,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:28:57,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:28:57,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:28:57,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:28:57,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:28:57,631 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2025-03-17 19:28:57,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 108 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2025-03-17 19:28:57,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:28:57,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2025-03-17 19:28:57,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:28:58,348 INFO L124 PetriNetUnfolderBase]: 4487/6431 cut-off events. [2025-03-17 19:28:58,349 INFO L125 PetriNetUnfolderBase]: For 1190/1190 co-relation queries the response was YES. [2025-03-17 19:28:58,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14303 conditions, 6431 events. 4487/6431 cut-off events. For 1190/1190 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 33061 event pairs, 1333 based on Foata normal form. 0/6336 useless extension candidates. Maximal degree in co-relation 14291. Up to 2756 conditions per place. [2025-03-17 19:28:58,373 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 68 selfloop transitions, 7 changer transitions 3/81 dead transitions. [2025-03-17 19:28:58,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 81 transitions, 364 flow [2025-03-17 19:28:58,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:28:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-17 19:28:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 105 transitions. [2025-03-17 19:28:58,375 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.65625 [2025-03-17 19:28:58,375 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 108 flow. Second operand 4 states and 105 transitions. [2025-03-17 19:28:58,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 81 transitions, 364 flow [2025-03-17 19:28:58,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 81 transitions, 359 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 19:28:58,379 INFO L231 Difference]: Finished difference. Result has 48 places, 37 transitions, 129 flow [2025-03-17 19:28:58,379 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2025-03-17 19:28:58,380 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 1 predicate places. [2025-03-17 19:28:58,381 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 129 flow [2025-03-17 19:28:58,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2025-03-17 19:28:58,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:28:58,381 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] [2025-03-17 19:28:58,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:28:58,381 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-17 19:28:58,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:28:58,383 INFO L85 PathProgramCache]: Analyzing trace with hash 112427223, now seen corresponding path program 1 times [2025-03-17 19:28:58,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:28:58,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292530759] [2025-03-17 19:28:58,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:28:58,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:28:58,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 19:28:58,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 19:28:58,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:28:58,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:28:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:28:58,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:28:58,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292530759] [2025-03-17 19:28:58,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292530759] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:28:58,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:28:58,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:28:58,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942526707] [2025-03-17 19:28:58,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:28:58,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 19:28:58,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:28:58,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 19:28:58,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:28:58,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2025-03-17 19:28:58,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 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) [2025-03-17 19:28:58,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:28:58,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2025-03-17 19:28:58,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:28:59,044 INFO L124 PetriNetUnfolderBase]: 4171/5975 cut-off events. [2025-03-17 19:28:59,045 INFO L125 PetriNetUnfolderBase]: For 2742/2742 co-relation queries the response was YES. [2025-03-17 19:28:59,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14378 conditions, 5975 events. 4171/5975 cut-off events. For 2742/2742 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 30918 event pairs, 1263 based on Foata normal form. 84/6048 useless extension candidates. Maximal degree in co-relation 14365. Up to 2756 conditions per place. [2025-03-17 19:28:59,056 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2025-03-17 19:28:59,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 75 transitions, 343 flow [2025-03-17 19:28:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:28:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-17 19:28:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions. [2025-03-17 19:28:59,060 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.525 [2025-03-17 19:28:59,060 INFO L175 Difference]: Start difference. First operand has 48 places, 37 transitions, 129 flow. Second operand 5 states and 105 transitions. [2025-03-17 19:28:59,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 75 transitions, 343 flow [2025-03-17 19:28:59,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 75 transitions, 319 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-03-17 19:28:59,067 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2025-03-17 19:28:59,067 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2025-03-17 19:28:59,067 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, -2 predicate places. [2025-03-17 19:28:59,068 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2025-03-17 19:28:59,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 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) [2025-03-17 19:28:59,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-17 19:28:59,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-17 19:28:59,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-17 19:28:59,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-17 19:28:59,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-17 19:28:59,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-17 19:28:59,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-17 19:28:59,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:28:59,074 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-17 19:28:59,078 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 19:28:59,078 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 19:28:59,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 07:28:59 BasicIcfg [2025-03-17 19:28:59,085 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 19:28:59,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 19:28:59,086 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 19:28:59,087 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 19:28:59,088 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:28:54" (3/4) ... [2025-03-17 19:28:59,089 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 19:28:59,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-03-17 19:28:59,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-03-17 19:28:59,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-03-17 19:28:59,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2025-03-17 19:28:59,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-17 19:28:59,095 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-17 19:28:59,095 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-17 19:28:59,152 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 19:28:59,152 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 19:28:59,152 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 19:28:59,153 INFO L158 Benchmark]: Toolchain (without parser) took 5381.63ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 105.4MB in the beginning and 510.0MB in the end (delta: -404.5MB). Peak memory consumption was 158.0MB. Max. memory is 16.1GB. [2025-03-17 19:28:59,153 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:28:59,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.67ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 81.8MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 19:28:59,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.20ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 79.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:28:59,154 INFO L158 Benchmark]: Boogie Preprocessor took 35.18ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 77.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:28:59,154 INFO L158 Benchmark]: IcfgBuilder took 623.69ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 91.7MB in the end (delta: -14.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2025-03-17 19:28:59,154 INFO L158 Benchmark]: TraceAbstraction took 4208.95ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 90.9MB in the beginning and 518.3MB in the end (delta: -427.4MB). Peak memory consumption was 473.1MB. Max. memory is 16.1GB. [2025-03-17 19:28:59,154 INFO L158 Benchmark]: Witness Printer took 66.15ms. Allocated memory is still 704.6MB. Free memory was 518.3MB in the beginning and 510.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 19:28:59,155 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.67ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 81.8MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.20ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 79.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.18ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 77.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 623.69ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 91.7MB in the end (delta: -14.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4208.95ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 90.9MB in the beginning and 518.3MB in the end (delta: -427.4MB). Peak memory consumption was 473.1MB. Max. memory is 16.1GB. * Witness Printer took 66.15ms. Allocated memory is still 704.6MB. Free memory was 518.3MB in the beginning and 510.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: 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, 72 locations, 68 edges, 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: 4.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 339 IncrementalHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 339 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=129occurred 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, 0.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 19:28:59,169 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