./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:57:23,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:57:24,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:57:24,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:57:24,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:57:24,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:57:24,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:57:24,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:57:24,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:57:24,059 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:57:24,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:57:24,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:57:24,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:57:24,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:57:24,060 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:57:24,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:57:24,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:57:24,060 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:57:24,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:57:24,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:57:24,062 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:57:24,062 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:57:24,062 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:57:24,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:57:24,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:57:24,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:57:24,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:57:24,063 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-jdk21/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 -> 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 [2025-02-08 13:57:24,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:57:24,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:57:24,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:57:24,288 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:57:24,288 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:57:24,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2025-02-08 13:57:25,445 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7cd3e1d6/23ff50de396e4dcab2aa7ac35a01a927/FLAGd773d5f08 [2025-02-08 13:57:25,725 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:57:25,726 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2025-02-08 13:57:25,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7cd3e1d6/23ff50de396e4dcab2aa7ac35a01a927/FLAGd773d5f08 [2025-02-08 13:57:26,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7cd3e1d6/23ff50de396e4dcab2aa7ac35a01a927 [2025-02-08 13:57:26,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:57:26,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:57:26,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:57:26,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:57:26,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:57:26,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38be28ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26, skipping insertion in model container [2025-02-08 13:57:26,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:57:26,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:57:26,292 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:57:26,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:57:26,363 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:57:26,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26 WrapperNode [2025-02-08 13:57:26,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:57:26,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:57:26,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:57:26,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:57:26,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,403 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 130 [2025-02-08 13:57:26,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:57:26,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:57:26,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:57:26,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:57:26,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,415 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,436 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]. [2025-02-08 13:57:26,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,443 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:57:26,458 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:57:26,458 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:57:26,458 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:57:26,459 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (1/1) ... [2025-02-08 13:57:26,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:57:26,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:57:26,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 13:57:26,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 13:57:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 13:57:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:57:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-08 13:57:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-08 13:57:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-08 13:57:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-08 13:57:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-08 13:57:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-08 13:57:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:57:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 13:57:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:57:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:57:26,511 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 13:57:26,614 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:57:26,616 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:57:26,908 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 13:57:26,908 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:57:27,129 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:57:27,130 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 13:57:27,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:57:27 BoogieIcfgContainer [2025-02-08 13:57:27,130 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:57:27,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:57:27,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:57:27,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:57:27,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:57:26" (1/3) ... [2025-02-08 13:57:27,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b90bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:57:27, skipping insertion in model container [2025-02-08 13:57:27,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:26" (2/3) ... [2025-02-08 13:57:27,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b90bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:57:27, skipping insertion in model container [2025-02-08 13:57:27,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:57:27" (3/3) ... [2025-02-08 13:57:27,139 INFO L128 eAbstractionObserver]: Analyzing ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2025-02-08 13:57:27,157 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:57:27,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-02-08 13:57:27,158 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 13:57:27,209 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 13:57:27,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 96 flow [2025-02-08 13:57:27,281 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2025-02-08 13:57:27,282 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 13:57:27,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 98 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-02-08 13:57:27,287 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 42 transitions, 96 flow [2025-02-08 13:57:27,289 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 39 transitions, 87 flow [2025-02-08 13:57:27,298 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:57:27,312 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;@18116628, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:57:27,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-02-08 13:57:27,318 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 13:57:27,318 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-02-08 13:57:27,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 13:57:27,318 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 13:57:27,319 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:57:27,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-02-08 13:57:27,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:57:27,323 INFO L85 PathProgramCache]: Analyzing trace with hash -674443760, now seen corresponding path program 1 times [2025-02-08 13:57:27,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:57:27,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779914450] [2025-02-08 13:57:27,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:57:27,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:57:27,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 13:57:27,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 13:57:27,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:57:27,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:57:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:57:27,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:57:27,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779914450] [2025-02-08 13:57:27,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779914450] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:57:27,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:57:27,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 13:57:27,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785896524] [2025-02-08 13:57:27,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:57:27,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:57:27,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:57:27,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:57:27,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:57:27,626 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 42 [2025-02-08 13:57:27,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-02-08 13:57:27,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 13:57:27,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 42 [2025-02-08 13:57:27,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 13:57:28,863 INFO L124 PetriNetUnfolderBase]: 8589/12255 cut-off events. [2025-02-08 13:57:28,863 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2025-02-08 13:57:28,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24636 conditions, 12255 events. 8589/12255 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 66795 event pairs, 3199 based on Foata normal form. 0/10883 useless extension candidates. Maximal degree in co-relation 24625. Up to 9377 conditions per place. [2025-02-08 13:57:28,932 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 57 selfloop transitions, 4 changer transitions 0/64 dead transitions. [2025-02-08 13:57:28,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 64 transitions, 265 flow [2025-02-08 13:57:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:57:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 13:57:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2025-02-08 13:57:28,941 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6746031746031746 [2025-02-08 13:57:28,942 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 87 flow. Second operand 3 states and 85 transitions. [2025-02-08 13:57:28,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 64 transitions, 265 flow [2025-02-08 13:57:28,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 64 transitions, 260 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-08 13:57:28,947 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 120 flow [2025-02-08 13:57:28,949 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2025-02-08 13:57:28,951 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2025-02-08 13:57:28,951 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 120 flow [2025-02-08 13:57:28,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-02-08 13:57:28,951 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 13:57:28,951 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:57:28,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:57:28,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-02-08 13:57:28,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:57:28,952 INFO L85 PathProgramCache]: Analyzing trace with hash 80773721, now seen corresponding path program 1 times [2025-02-08 13:57:28,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:57:28,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719779460] [2025-02-08 13:57:28,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:57:28,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:57:28,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 13:57:28,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 13:57:28,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:57:28,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:57:29,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:57:29,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:57:29,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719779460] [2025-02-08 13:57:29,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719779460] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:57:29,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:57:29,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:57:29,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963578001] [2025-02-08 13:57:29,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:57:29,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:57:29,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:57:29,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:57:29,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:57:29,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 42 [2025-02-08 13:57:29,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2025-02-08 13:57:29,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 13:57:29,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 42 [2025-02-08 13:57:29,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 13:57:30,010 INFO L124 PetriNetUnfolderBase]: 7134/10162 cut-off events. [2025-02-08 13:57:30,011 INFO L125 PetriNetUnfolderBase]: For 588/588 co-relation queries the response was YES. [2025-02-08 13:57:30,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22714 conditions, 10162 events. 7134/10162 cut-off events. For 588/588 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 53825 event pairs, 2670 based on Foata normal form. 0/9554 useless extension candidates. Maximal degree in co-relation 22703. Up to 7283 conditions per place. [2025-02-08 13:57:30,145 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 54 selfloop transitions, 4 changer transitions 0/61 dead transitions. [2025-02-08 13:57:30,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 61 transitions, 272 flow [2025-02-08 13:57:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:57:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 13:57:30,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2025-02-08 13:57:30,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5059523809523809 [2025-02-08 13:57:30,151 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 120 flow. Second operand 4 states and 85 transitions. [2025-02-08 13:57:30,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 61 transitions, 272 flow [2025-02-08 13:57:30,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 61 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 13:57:30,157 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 112 flow [2025-02-08 13:57:30,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2025-02-08 13:57:30,159 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2025-02-08 13:57:30,159 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 112 flow [2025-02-08 13:57:30,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2025-02-08 13:57:30,159 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 13:57:30,160 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:57:30,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 13:57:30,160 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-02-08 13:57:30,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:57:30,160 INFO L85 PathProgramCache]: Analyzing trace with hash 80773722, now seen corresponding path program 1 times [2025-02-08 13:57:30,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:57:30,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218944420] [2025-02-08 13:57:30,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:57:30,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:57:30,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 13:57:30,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 13:57:30,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:57:30,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:57:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:57:30,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:57:30,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218944420] [2025-02-08 13:57:30,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218944420] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:57:30,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:57:30,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:57:30,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707197824] [2025-02-08 13:57:30,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:57:30,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:57:30,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:57:30,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:57:30,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:57:30,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 42 [2025-02-08 13:57:30,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2025-02-08 13:57:30,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 13:57:30,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 42 [2025-02-08 13:57:30,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 13:57:30,852 INFO L124 PetriNetUnfolderBase]: 6033/8591 cut-off events. [2025-02-08 13:57:30,852 INFO L125 PetriNetUnfolderBase]: For 1460/1460 co-relation queries the response was YES. [2025-02-08 13:57:30,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18969 conditions, 8591 events. 6033/8591 cut-off events. For 1460/1460 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 44432 event pairs, 2039 based on Foata normal form. 0/8495 useless extension candidates. Maximal degree in co-relation 18957. Up to 3696 conditions per place. [2025-02-08 13:57:30,882 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 74 selfloop transitions, 7 changer transitions 3/87 dead transitions. [2025-02-08 13:57:30,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 87 transitions, 388 flow [2025-02-08 13:57:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:57:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 13:57:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2025-02-08 13:57:30,884 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6607142857142857 [2025-02-08 13:57:30,884 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 112 flow. Second operand 4 states and 111 transitions. [2025-02-08 13:57:30,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 87 transitions, 388 flow [2025-02-08 13:57:30,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 87 transitions, 383 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 13:57:30,888 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 133 flow [2025-02-08 13:57:30,888 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2025-02-08 13:57:30,889 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 1 predicate places. [2025-02-08 13:57:30,889 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 133 flow [2025-02-08 13:57:30,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2025-02-08 13:57:30,889 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 13:57:30,889 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:57:30,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:57:30,890 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-02-08 13:57:30,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:57:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1419863551, now seen corresponding path program 1 times [2025-02-08 13:57:30,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:57:30,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88374508] [2025-02-08 13:57:30,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:57:30,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:57:30,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 13:57:30,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 13:57:30,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:57:30,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:57:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:57:31,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:57:31,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88374508] [2025-02-08 13:57:31,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88374508] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:57:31,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:57:31,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:57:31,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852241538] [2025-02-08 13:57:31,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:57:31,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 13:57:31,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:57:31,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 13:57:31,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:57:31,112 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 42 [2025-02-08 13:57:31,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2025-02-08 13:57:31,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 13:57:31,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 42 [2025-02-08 13:57:31,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 13:57:31,605 INFO L124 PetriNetUnfolderBase]: 5717/8135 cut-off events. [2025-02-08 13:57:31,605 INFO L125 PetriNetUnfolderBase]: For 3384/3384 co-relation queries the response was YES. [2025-02-08 13:57:31,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19286 conditions, 8135 events. 5717/8135 cut-off events. For 3384/3384 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 42356 event pairs, 1969 based on Foata normal form. 84/8207 useless extension candidates. Maximal degree in co-relation 19273. Up to 3696 conditions per place. [2025-02-08 13:57:31,619 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 0 selfloop transitions, 0 changer transitions 81/81 dead transitions. [2025-02-08 13:57:31,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 81 transitions, 367 flow [2025-02-08 13:57:31,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:57:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 13:57:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2025-02-08 13:57:31,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5285714285714286 [2025-02-08 13:57:31,623 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 133 flow. Second operand 5 states and 111 transitions. [2025-02-08 13:57:31,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 81 transitions, 367 flow [2025-02-08 13:57:31,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 81 transitions, 343 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-02-08 13:57:31,628 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2025-02-08 13:57:31,628 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2025-02-08 13:57:31,629 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2025-02-08 13:57:31,629 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2025-02-08 13:57:31,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2025-02-08 13:57:31,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-02-08 13:57:31,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-02-08 13:57:31,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-02-08 13:57:31,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:57:31,634 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-08 13:57:31,638 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 13:57:31,638 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 13:57:31,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:57:31 BasicIcfg [2025-02-08 13:57:31,641 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 13:57:31,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 13:57:31,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 13:57:31,641 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 13:57:31,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:57:27" (3/4) ... [2025-02-08 13:57:31,643 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 13:57:31,645 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-02-08 13:57:31,645 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-02-08 13:57:31,645 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-02-08 13:57:31,648 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2025-02-08 13:57:31,649 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-08 13:57:31,649 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 13:57:31,649 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 13:57:31,695 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 13:57:31,695 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 13:57:31,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 13:57:31,696 INFO L158 Benchmark]: Toolchain (without parser) took 5689.61ms. Allocated memory was 142.6MB in the beginning and 637.5MB in the end (delta: 494.9MB). Free memory was 111.6MB in the beginning and 229.7MB in the end (delta: -118.1MB). Peak memory consumption was 377.4MB. Max. memory is 16.1GB. [2025-02-08 13:57:31,696 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:57:31,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.98ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 88.0MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 13:57:31,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.70ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 86.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:57:31,696 INFO L158 Benchmark]: Boogie Preprocessor took 52.30ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 83.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:57:31,697 INFO L158 Benchmark]: IcfgBuilder took 672.33ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 93.3MB in the end (delta: -10.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2025-02-08 13:57:31,697 INFO L158 Benchmark]: TraceAbstraction took 4509.35ms. Allocated memory was 142.6MB in the beginning and 637.5MB in the end (delta: 494.9MB). Free memory was 92.5MB in the beginning and 238.0MB in the end (delta: -145.5MB). Peak memory consumption was 443.7MB. Max. memory is 16.1GB. [2025-02-08 13:57:31,697 INFO L158 Benchmark]: Witness Printer took 54.16ms. Allocated memory is still 637.5MB. Free memory was 238.0MB in the beginning and 229.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:57:31,698 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.98ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 88.0MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.70ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 86.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.30ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 83.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 672.33ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 93.3MB in the end (delta: -10.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4509.35ms. Allocated memory was 142.6MB in the beginning and 637.5MB in the end (delta: 494.9MB). Free memory was 92.5MB in the beginning and 238.0MB in the end (delta: -145.5MB). Peak memory consumption was 443.7MB. Max. memory is 16.1GB. * Witness Printer took 54.16ms. Allocated memory is still 637.5MB. Free memory was 238.0MB in the beginning and 229.7MB 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: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: 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, 76 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: 4.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 363 IncrementalHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 0 mSDtfsCounter, 363 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=133occurred 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, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 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! [2025-02-08 13:57:31,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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