./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:31:31,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:31:31,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 16:31:31,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:31:31,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:31:31,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:31:31,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:31:31,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:31:31,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:31:31,172 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:31:31,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:31:31,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:31:31,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:31:31,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:31:31,173 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:31:31,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:31:31,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:31:31,173 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 16:31:31,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:31:31,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 16:31:31,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:31:31,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:31:31,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:31:31,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:31:31,174 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 16:31:31,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:31:31,175 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:31:31,175 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:31:31,175 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:31:31,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:31:31,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:31:31,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:31:31,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:31:31,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:31:31,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:31:31,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:31:31,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:31:31,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:31:31,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:31:31,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:31:31,176 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:31:31,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:31:31,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:31:31,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:31:31,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:31:31,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:31:31,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:31:31,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:31:31,178 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 ! call(reach_error())) ) 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 -> 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f [2025-01-09 16:31:31,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:31:31,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:31:31,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:31:31,478 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:31:31,478 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:31:31,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-01-09 16:31:32,831 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6f54e891/c3aeba4e98a74c5cb2dcafd025093536/FLAGf6f4838ff [2025-01-09 16:31:33,140 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:31:33,141 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-01-09 16:31:33,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6f54e891/c3aeba4e98a74c5cb2dcafd025093536/FLAGf6f4838ff [2025-01-09 16:31:33,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6f54e891/c3aeba4e98a74c5cb2dcafd025093536 [2025-01-09 16:31:33,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:31:33,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:31:33,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:31:33,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:31:33,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:31:33,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666b36a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33, skipping insertion in model container [2025-01-09 16:31:33,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:31:33,612 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2025-01-09 16:31:33,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:31:33,734 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:31:33,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2025-01-09 16:31:33,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:31:33,824 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:31:33,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33 WrapperNode [2025-01-09 16:31:33,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:31:33,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:31:33,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:31:33,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:31:33,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,860 INFO L138 Inliner]: procedures = 176, calls = 50, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2025-01-09 16:31:33,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:31:33,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:31:33,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:31:33,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:31:33,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,882 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]. [2025-01-09 16:31:33,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,887 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:31:33,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:31:33,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:31:33,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:31:33,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (1/1) ... [2025-01-09 16:31:33,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:31:33,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:31:33,926 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) [2025-01-09 16:31:33,929 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 [2025-01-09 16:31:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-09 16:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-01-09 16:31:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-01-09 16:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-01-09 16:31:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-01-09 16:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-01-09 16:31:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-01-09 16:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-01-09 16:31:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-01-09 16:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-09 16:31:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:31:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:31:33,950 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 16:31:34,087 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:31:34,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:31:34,288 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 16:31:34,289 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:31:34,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:31:34,392 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 16:31:34,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:31:34 BoogieIcfgContainer [2025-01-09 16:31:34,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:31:34,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:31:34,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:31:34,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:31:34,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:31:33" (1/3) ... [2025-01-09 16:31:34,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1906a31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:31:34, skipping insertion in model container [2025-01-09 16:31:34,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:31:33" (2/3) ... [2025-01-09 16:31:34,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1906a31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:31:34, skipping insertion in model container [2025-01-09 16:31:34,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:31:34" (3/3) ... [2025-01-09 16:31:34,401 INFO L128 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-01-09 16:31:34,415 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:31:34,416 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 5 procedures, 47 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 16:31:34,417 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 16:31:34,481 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 16:31:34,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 47 transitions, 110 flow [2025-01-09 16:31:34,547 INFO L124 PetriNetUnfolderBase]: 1/43 cut-off events. [2025-01-09 16:31:34,551 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 16:31:34,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 43 events. 1/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2025-01-09 16:31:34,556 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 47 transitions, 110 flow [2025-01-09 16:31:34,559 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 40 transitions, 92 flow [2025-01-09 16:31:34,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:31:34,584 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;@678fac69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:31:34,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-09 16:31:34,610 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 16:31:34,611 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2025-01-09 16:31:34,612 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 16:31:34,612 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:31:34,612 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:31:34,613 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-09 16:31:34,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:31:34,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1929637479, now seen corresponding path program 1 times [2025-01-09 16:31:34,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:31:34,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914685733] [2025-01-09 16:31:34,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:31:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:31:34,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-09 16:31:34,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-09 16:31:34,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:31:34,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:31:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 16:31:35,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:31:35,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914685733] [2025-01-09 16:31:35,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914685733] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:31:35,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:31:35,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 16:31:35,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722537638] [2025-01-09 16:31:35,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:31:35,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 16:31:35,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:31:35,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 16:31:35,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 16:31:35,279 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 47 [2025-01-09 16:31:35,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 40 transitions, 92 flow. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 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) [2025-01-09 16:31:35,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 16:31:35,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 47 [2025-01-09 16:31:35,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 16:31:35,931 INFO L124 PetriNetUnfolderBase]: 1692/3102 cut-off events. [2025-01-09 16:31:35,932 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2025-01-09 16:31:35,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5604 conditions, 3102 events. 1692/3102 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 21915 event pairs, 970 based on Foata normal form. 81/3043 useless extension candidates. Maximal degree in co-relation 5592. Up to 1893 conditions per place. [2025-01-09 16:31:35,964 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 28 selfloop transitions, 5 changer transitions 27/79 dead transitions. [2025-01-09 16:31:35,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 79 transitions, 299 flow [2025-01-09 16:31:35,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 16:31:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-01-09 16:31:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 223 transitions. [2025-01-09 16:31:35,981 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6778115501519757 [2025-01-09 16:31:35,983 INFO L175 Difference]: Start difference. First operand has 53 places, 40 transitions, 92 flow. Second operand 7 states and 223 transitions. [2025-01-09 16:31:35,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 79 transitions, 299 flow [2025-01-09 16:31:35,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 79 transitions, 292 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-09 16:31:35,991 INFO L231 Difference]: Finished difference. Result has 60 places, 44 transitions, 145 flow [2025-01-09 16:31:35,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=145, PETRI_PLACES=60, PETRI_TRANSITIONS=44} [2025-01-09 16:31:35,999 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, 7 predicate places. [2025-01-09 16:31:36,000 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 44 transitions, 145 flow [2025-01-09 16:31:36,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 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) [2025-01-09 16:31:36,002 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:31:36,002 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:31:36,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 16:31:36,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-09 16:31:36,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:31:36,007 INFO L85 PathProgramCache]: Analyzing trace with hash -320434648, now seen corresponding path program 1 times [2025-01-09 16:31:36,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:31:36,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874781512] [2025-01-09 16:31:36,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:31:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:31:36,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-09 16:31:36,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-09 16:31:36,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:31:36,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:31:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 16:31:36,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:31:36,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874781512] [2025-01-09 16:31:36,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874781512] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:31:36,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:31:36,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 16:31:36,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730417969] [2025-01-09 16:31:36,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:31:36,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 16:31:36,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:31:36,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 16:31:36,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 16:31:36,245 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 47 [2025-01-09 16:31:36,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 44 transitions, 145 flow. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 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) [2025-01-09 16:31:36,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 16:31:36,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 47 [2025-01-09 16:31:36,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 16:31:36,601 INFO L124 PetriNetUnfolderBase]: 1072/2138 cut-off events. [2025-01-09 16:31:36,602 INFO L125 PetriNetUnfolderBase]: For 1840/2012 co-relation queries the response was YES. [2025-01-09 16:31:36,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5372 conditions, 2138 events. 1072/2138 cut-off events. For 1840/2012 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 16093 event pairs, 394 based on Foata normal form. 78/2004 useless extension candidates. Maximal degree in co-relation 5357. Up to 712 conditions per place. [2025-01-09 16:31:36,630 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 21 selfloop transitions, 3 changer transitions 19/68 dead transitions. [2025-01-09 16:31:36,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 68 transitions, 301 flow [2025-01-09 16:31:36,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 16:31:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-01-09 16:31:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 226 transitions. [2025-01-09 16:31:36,633 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6869300911854104 [2025-01-09 16:31:36,633 INFO L175 Difference]: Start difference. First operand has 60 places, 44 transitions, 145 flow. Second operand 7 states and 226 transitions. [2025-01-09 16:31:36,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 68 transitions, 301 flow [2025-01-09 16:31:36,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 68 transitions, 288 flow, removed 4 selfloop flow, removed 3 redundant places. [2025-01-09 16:31:36,652 INFO L231 Difference]: Finished difference. Result has 64 places, 44 transitions, 155 flow [2025-01-09 16:31:36,653 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=155, PETRI_PLACES=64, PETRI_TRANSITIONS=44} [2025-01-09 16:31:36,654 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, 11 predicate places. [2025-01-09 16:31:36,654 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 44 transitions, 155 flow [2025-01-09 16:31:36,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 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) [2025-01-09 16:31:36,656 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:31:36,656 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:31:36,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 16:31:36,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-09 16:31:36,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:31:36,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1195022016, now seen corresponding path program 1 times [2025-01-09 16:31:36,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:31:36,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639284467] [2025-01-09 16:31:36,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:31:36,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:31:36,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-09 16:31:36,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-09 16:31:36,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:31:36,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:31:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 16:31:36,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:31:36,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639284467] [2025-01-09 16:31:36,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639284467] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:31:36,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:31:36,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 16:31:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181410850] [2025-01-09 16:31:36,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:31:36,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:31:36,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:31:36,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:31:36,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 16:31:36,858 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 47 [2025-01-09 16:31:36,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 44 transitions, 155 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-01-09 16:31:36,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 16:31:36,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 47 [2025-01-09 16:31:36,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 16:31:37,287 INFO L124 PetriNetUnfolderBase]: 1332/2589 cut-off events. [2025-01-09 16:31:37,287 INFO L125 PetriNetUnfolderBase]: For 2753/2964 co-relation queries the response was YES. [2025-01-09 16:31:37,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6493 conditions, 2589 events. 1332/2589 cut-off events. For 2753/2964 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 19688 event pairs, 420 based on Foata normal form. 75/2431 useless extension candidates. Maximal degree in co-relation 6474. Up to 539 conditions per place. [2025-01-09 16:31:37,307 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 27 selfloop transitions, 3 changer transitions 24/78 dead transitions. [2025-01-09 16:31:37,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 78 transitions, 362 flow [2025-01-09 16:31:37,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 16:31:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 16:31:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 255 transitions. [2025-01-09 16:31:37,309 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6781914893617021 [2025-01-09 16:31:37,309 INFO L175 Difference]: Start difference. First operand has 64 places, 44 transitions, 155 flow. Second operand 8 states and 255 transitions. [2025-01-09 16:31:37,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 78 transitions, 362 flow [2025-01-09 16:31:37,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 78 transitions, 338 flow, removed 8 selfloop flow, removed 6 redundant places. [2025-01-09 16:31:37,326 INFO L231 Difference]: Finished difference. Result has 67 places, 43 transitions, 158 flow [2025-01-09 16:31:37,326 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=158, PETRI_PLACES=67, PETRI_TRANSITIONS=43} [2025-01-09 16:31:37,328 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, 14 predicate places. [2025-01-09 16:31:37,328 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 43 transitions, 158 flow [2025-01-09 16:31:37,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-01-09 16:31:37,329 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:31:37,329 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] [2025-01-09 16:31:37,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 16:31:37,329 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-09 16:31:37,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:31:37,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1848019215, now seen corresponding path program 1 times [2025-01-09 16:31:37,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:31:37,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54177878] [2025-01-09 16:31:37,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:31:37,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:31:37,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-09 16:31:37,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-09 16:31:37,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:31:37,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:31:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 16:31:37,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:31:37,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54177878] [2025-01-09 16:31:37,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54177878] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:31:37,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:31:37,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 16:31:37,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870027730] [2025-01-09 16:31:37,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:31:37,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 16:31:37,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:31:37,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 16:31:37,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-09 16:31:37,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 47 [2025-01-09 16:31:37,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 43 transitions, 158 flow. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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) [2025-01-09 16:31:37,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 16:31:37,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 47 [2025-01-09 16:31:37,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 16:31:38,009 INFO L124 PetriNetUnfolderBase]: 1394/2614 cut-off events. [2025-01-09 16:31:38,009 INFO L125 PetriNetUnfolderBase]: For 3930/3930 co-relation queries the response was YES. [2025-01-09 16:31:38,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7227 conditions, 2614 events. 1394/2614 cut-off events. For 3930/3930 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 18701 event pairs, 369 based on Foata normal form. 48/2556 useless extension candidates. Maximal degree in co-relation 7206. Up to 647 conditions per place. [2025-01-09 16:31:38,031 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 36 selfloop transitions, 3 changer transitions 34/91 dead transitions. [2025-01-09 16:31:38,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 91 transitions, 508 flow [2025-01-09 16:31:38,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 16:31:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 16:31:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 248 transitions. [2025-01-09 16:31:38,034 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6595744680851063 [2025-01-09 16:31:38,034 INFO L175 Difference]: Start difference. First operand has 67 places, 43 transitions, 158 flow. Second operand 8 states and 248 transitions. [2025-01-09 16:31:38,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 91 transitions, 508 flow [2025-01-09 16:31:38,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 91 transitions, 468 flow, removed 14 selfloop flow, removed 8 redundant places. [2025-01-09 16:31:38,044 INFO L231 Difference]: Finished difference. Result has 68 places, 42 transitions, 156 flow [2025-01-09 16:31:38,044 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=156, PETRI_PLACES=68, PETRI_TRANSITIONS=42} [2025-01-09 16:31:38,045 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, 15 predicate places. [2025-01-09 16:31:38,045 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 42 transitions, 156 flow [2025-01-09 16:31:38,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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) [2025-01-09 16:31:38,045 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:31:38,045 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] [2025-01-09 16:31:38,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 16:31:38,046 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-09 16:31:38,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:31:38,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1390466308, now seen corresponding path program 1 times [2025-01-09 16:31:38,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:31:38,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602654664] [2025-01-09 16:31:38,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:31:38,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:31:38,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-09 16:31:38,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-09 16:31:38,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:31:38,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:31:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 16:31:38,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:31:38,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602654664] [2025-01-09 16:31:38,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602654664] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:31:38,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:31:38,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 16:31:38,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379265813] [2025-01-09 16:31:38,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:31:38,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:31:38,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:31:38,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:31:38,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 16:31:38,256 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 47 [2025-01-09 16:31:38,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 42 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 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) [2025-01-09 16:31:38,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 16:31:38,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 47 [2025-01-09 16:31:38,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 16:31:38,509 INFO L124 PetriNetUnfolderBase]: 550/1152 cut-off events. [2025-01-09 16:31:38,511 INFO L125 PetriNetUnfolderBase]: For 1559/1559 co-relation queries the response was YES. [2025-01-09 16:31:38,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2973 conditions, 1152 events. 550/1152 cut-off events. For 1559/1559 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 7197 event pairs, 300 based on Foata normal form. 24/1111 useless extension candidates. Maximal degree in co-relation 2952. Up to 567 conditions per place. [2025-01-09 16:31:38,523 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 33 selfloop transitions, 3 changer transitions 19/74 dead transitions. [2025-01-09 16:31:38,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 74 transitions, 385 flow [2025-01-09 16:31:38,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 16:31:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-01-09 16:31:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 217 transitions. [2025-01-09 16:31:38,525 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6595744680851063 [2025-01-09 16:31:38,525 INFO L175 Difference]: Start difference. First operand has 68 places, 42 transitions, 156 flow. Second operand 7 states and 217 transitions. [2025-01-09 16:31:38,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 74 transitions, 385 flow [2025-01-09 16:31:38,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 74 transitions, 347 flow, removed 14 selfloop flow, removed 8 redundant places. [2025-01-09 16:31:38,535 INFO L231 Difference]: Finished difference. Result has 67 places, 42 transitions, 151 flow [2025-01-09 16:31:38,536 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=151, PETRI_PLACES=67, PETRI_TRANSITIONS=42} [2025-01-09 16:31:38,536 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, 14 predicate places. [2025-01-09 16:31:38,536 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 42 transitions, 151 flow [2025-01-09 16:31:38,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 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) [2025-01-09 16:31:38,537 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:31:38,537 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:31:38,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 16:31:38,537 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-09 16:31:38,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:31:38,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1591661851, now seen corresponding path program 1 times [2025-01-09 16:31:38,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:31:38,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003815355] [2025-01-09 16:31:38,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:31:38,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:31:38,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 16:31:38,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 16:31:38,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:31:38,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:31:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 16:31:38,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:31:38,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003815355] [2025-01-09 16:31:38,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003815355] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:31:38,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:31:38,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 16:31:38,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403495128] [2025-01-09 16:31:38,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:31:38,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:31:38,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:31:38,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:31:38,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 16:31:38,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 47 [2025-01-09 16:31:38,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 42 transitions, 151 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-01-09 16:31:38,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 16:31:38,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 47 [2025-01-09 16:31:38,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 16:31:39,027 INFO L124 PetriNetUnfolderBase]: 674/1283 cut-off events. [2025-01-09 16:31:39,027 INFO L125 PetriNetUnfolderBase]: For 1256/1290 co-relation queries the response was YES. [2025-01-09 16:31:39,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3153 conditions, 1283 events. 674/1283 cut-off events. For 1256/1290 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 8073 event pairs, 204 based on Foata normal form. 24/1215 useless extension candidates. Maximal degree in co-relation 3133. Up to 319 conditions per place. [2025-01-09 16:31:39,036 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 25 selfloop transitions, 3 changer transitions 25/74 dead transitions. [2025-01-09 16:31:39,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 74 transitions, 352 flow [2025-01-09 16:31:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 16:31:39,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 16:31:39,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 253 transitions. [2025-01-09 16:31:39,037 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6728723404255319 [2025-01-09 16:31:39,038 INFO L175 Difference]: Start difference. First operand has 67 places, 42 transitions, 151 flow. Second operand 8 states and 253 transitions. [2025-01-09 16:31:39,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 74 transitions, 352 flow [2025-01-09 16:31:39,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 74 transitions, 320 flow, removed 12 selfloop flow, removed 6 redundant places. [2025-01-09 16:31:39,042 INFO L231 Difference]: Finished difference. Result has 70 places, 40 transitions, 146 flow [2025-01-09 16:31:39,042 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=146, PETRI_PLACES=70, PETRI_TRANSITIONS=40} [2025-01-09 16:31:39,043 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, 17 predicate places. [2025-01-09 16:31:39,043 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 40 transitions, 146 flow [2025-01-09 16:31:39,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-01-09 16:31:39,044 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 16:31:39,044 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:31:39,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 16:31:39,044 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-09 16:31:39,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:31:39,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1740468603, now seen corresponding path program 1 times [2025-01-09 16:31:39,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:31:39,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006257911] [2025-01-09 16:31:39,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:31:39,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:31:39,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-09 16:31:39,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-09 16:31:39,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:31:39,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:31:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 16:31:39,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:31:39,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006257911] [2025-01-09 16:31:39,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006257911] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:31:39,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:31:39,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 16:31:39,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075444084] [2025-01-09 16:31:39,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:31:39,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:31:39,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:31:39,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:31:39,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 16:31:39,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 47 [2025-01-09 16:31:39,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 40 transitions, 146 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-01-09 16:31:39,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 16:31:39,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 47 [2025-01-09 16:31:39,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 16:31:39,344 INFO L124 PetriNetUnfolderBase]: 253/534 cut-off events. [2025-01-09 16:31:39,344 INFO L125 PetriNetUnfolderBase]: For 511/523 co-relation queries the response was YES. [2025-01-09 16:31:39,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 534 events. 253/534 cut-off events. For 511/523 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2771 event pairs, 45 based on Foata normal form. 24/531 useless extension candidates. Maximal degree in co-relation 1183. Up to 152 conditions per place. [2025-01-09 16:31:39,347 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2025-01-09 16:31:39,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 61 transitions, 280 flow [2025-01-09 16:31:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 16:31:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 16:31:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 243 transitions. [2025-01-09 16:31:39,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6462765957446809 [2025-01-09 16:31:39,349 INFO L175 Difference]: Start difference. First operand has 70 places, 40 transitions, 146 flow. Second operand 8 states and 243 transitions. [2025-01-09 16:31:39,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 61 transitions, 280 flow [2025-01-09 16:31:39,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 61 transitions, 224 flow, removed 21 selfloop flow, removed 11 redundant places. [2025-01-09 16:31:39,350 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2025-01-09 16:31:39,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2025-01-09 16:31:39,351 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, 7 predicate places. [2025-01-09 16:31:39,351 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2025-01-09 16:31:39,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-01-09 16:31:39,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-01-09 16:31:39,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-01-09 16:31:39,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-01-09 16:31:39,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-01-09 16:31:39,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-01-09 16:31:39,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 16:31:39,357 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:31:39,360 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 16:31:39,360 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 16:31:39,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:31:39 BasicIcfg [2025-01-09 16:31:39,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 16:31:39,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 16:31:39,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 16:31:39,366 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 16:31:39,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:31:34" (3/4) ... [2025-01-09 16:31:39,370 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 16:31:39,374 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2025-01-09 16:31:39,374 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2025-01-09 16:31:39,375 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2025-01-09 16:31:39,375 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2025-01-09 16:31:39,378 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2025-01-09 16:31:39,379 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-01-09 16:31:39,379 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 16:31:39,380 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 16:31:39,447 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 16:31:39,448 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 16:31:39,449 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 16:31:39,450 INFO L158 Benchmark]: Toolchain (without parser) took 6039.36ms. Allocated memory was 167.8MB in the beginning and 427.8MB in the end (delta: 260.0MB). Free memory was 122.3MB in the beginning and 241.5MB in the end (delta: -119.2MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. [2025-01-09 16:31:39,450 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 16:31:39,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.51ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 101.6MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 16:31:39,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.03ms. Allocated memory is still 167.8MB. Free memory was 101.6MB in the beginning and 99.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 16:31:39,452 INFO L158 Benchmark]: Boogie Preprocessor took 33.54ms. Allocated memory is still 167.8MB. Free memory was 99.9MB in the beginning and 98.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 16:31:39,453 INFO L158 Benchmark]: RCFGBuilder took 497.74ms. Allocated memory is still 167.8MB. Free memory was 98.2MB in the beginning and 77.4MB in the end (delta: 20.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 16:31:39,453 INFO L158 Benchmark]: TraceAbstraction took 4970.42ms. Allocated memory was 167.8MB in the beginning and 427.8MB in the end (delta: 260.0MB). Free memory was 77.4MB in the beginning and 245.8MB in the end (delta: -168.5MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2025-01-09 16:31:39,454 INFO L158 Benchmark]: Witness Printer took 83.18ms. Allocated memory is still 427.8MB. Free memory was 245.8MB in the beginning and 241.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 16:31:39,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.51ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 101.6MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.03ms. Allocated memory is still 167.8MB. Free memory was 101.6MB in the beginning and 99.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.54ms. Allocated memory is still 167.8MB. Free memory was 99.9MB in the beginning and 98.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.74ms. Allocated memory is still 167.8MB. Free memory was 98.2MB in the beginning and 77.4MB in the end (delta: 20.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4970.42ms. Allocated memory was 167.8MB in the beginning and 427.8MB in the end (delta: 260.0MB). Free memory was 77.4MB in the beginning and 245.8MB in the end (delta: -168.5MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * Witness Printer took 83.18ms. Allocated memory is still 427.8MB. Free memory was 245.8MB in the beginning and 241.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 79 locations, 5 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: 4.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 203 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 727 IncrementalHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 57 mSDtfsCounter, 727 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=3, InterpolantAutomatonStates: 53, 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, 1.5s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 16:31:39,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE