./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe023_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 01849734 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe023_tso.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b87483e693fd72a28f6c7edd484e610e6e0dbb17679c8092f6f9c9cd35d4acca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-0184973-m [2025-04-24 16:29:41,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 16:29:41,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 16:29:41,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 16:29:41,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 16:29:41,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 16:29:41,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 16:29:41,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 16:29:41,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 16:29:41,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 16:29:41,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 16:29:41,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 16:29:41,547 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 16:29:41,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 16:29:41,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 16:29:41,547 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 16:29:41,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 16:29:41,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 16:29:41,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 16:29:41,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 16:29:41,548 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 16:29:41,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 16:29:41,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 16:29:41,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 16:29:41,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 16:29:41,550 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 16:29:41,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 16:29:41,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 16:29:41,550 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 16:29:41,550 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 16:29:41,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 -> GemCutter 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 -> b87483e693fd72a28f6c7edd484e610e6e0dbb17679c8092f6f9c9cd35d4acca [2025-04-24 16:29:41,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 16:29:41,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 16:29:41,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 16:29:41,830 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 16:29:41,831 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 16:29:41,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-wmm/safe023_tso.i [2025-04-24 16:29:43,212 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8c6d057e5/4cc017537cae498baf6d3e81895fe9da/FLAGe1e089f1b [2025-04-24 16:29:43,419 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 16:29:43,420 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe023_tso.i [2025-04-24 16:29:43,436 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8c6d057e5/4cc017537cae498baf6d3e81895fe9da/FLAGe1e089f1b [2025-04-24 16:29:44,213 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8c6d057e5/4cc017537cae498baf6d3e81895fe9da [2025-04-24 16:29:44,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 16:29:44,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 16:29:44,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 16:29:44,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 16:29:44,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 16:29:44,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c31ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44, skipping insertion in model container [2025-04-24 16:29:44,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 16:29:44,367 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe023_tso.i[945,958] [2025-04-24 16:29:44,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 16:29:44,478 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 16:29:44,493 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe023_tso.i[945,958] [2025-04-24 16:29:44,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 16:29:44,539 INFO L204 MainTranslator]: Completed translation [2025-04-24 16:29:44,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44 WrapperNode [2025-04-24 16:29:44,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 16:29:44,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 16:29:44,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 16:29:44,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 16:29:44,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,582 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2025-04-24 16:29:44,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 16:29:44,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 16:29:44,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 16:29:44,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 16:29:44,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,600 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 16:29:44,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 16:29:44,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 16:29:44,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 16:29:44,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (1/1) ... [2025-04-24 16:29:44,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 16:29:44,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:29:44,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 16:29:44,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 16:29:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 16:29:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 16:29:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-04-24 16:29:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-04-24 16:29:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-04-24 16:29:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-04-24 16:29:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-04-24 16:29:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-04-24 16:29:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 16:29:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 16:29:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 16:29:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 16:29:44,686 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 16:29:44,780 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 16:29:44,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 16:29:44,893 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 16:29:44,894 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 16:29:44,961 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 16:29:44,964 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 16:29:44,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 04:29:44 BoogieIcfgContainer [2025-04-24 16:29:44,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 16:29:44,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 16:29:44,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 16:29:44,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 16:29:44,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 04:29:44" (1/3) ... [2025-04-24 16:29:44,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5fde0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 04:29:44, skipping insertion in model container [2025-04-24 16:29:44,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:29:44" (2/3) ... [2025-04-24 16:29:44,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5fde0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 04:29:44, skipping insertion in model container [2025-04-24 16:29:44,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 04:29:44" (3/3) ... [2025-04-24 16:29:44,973 INFO L128 eAbstractionObserver]: Analyzing ICFG safe023_tso.i [2025-04-24 16:29:44,984 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 16:29:44,986 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe023_tso.i that has 4 procedures, 39 locations, 36 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-24 16:29:44,986 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 16:29:45,041 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-24 16:29:45,076 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 16:29:45,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 16:29:45,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:29:45,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 16:29:45,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 16:29:45,157 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 16:29:45,170 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 16:29:45,175 INFO L340 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=PARTIAL_ORDER_FA, 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;@40b198b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 16:29:45,175 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-24 16:29:45,314 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:29:45,315 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:29:45,315 INFO L139 ounterexampleChecker]: Examining path program with hash -1067902812, occurence #1 [2025-04-24 16:29:45,315 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:29:45,315 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:29:45,318 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:29:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash 110190927, now seen corresponding path program 1 times [2025-04-24 16:29:45,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:29:45,324 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786069675] [2025-04-24 16:29:45,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:29:45,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:29:45,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-24 16:29:45,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-24 16:29:45,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:29:45,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:29:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 16:29:45,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:29:45,790 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786069675] [2025-04-24 16:29:45,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786069675] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:29:45,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:29:45,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 16:29:45,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248111185] [2025-04-24 16:29:45,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:29:45,795 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 16:29:45,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:29:45,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 16:29:45,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-04-24 16:29:45,810 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:29:45,811 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:29:45,812 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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) [2025-04-24 16:29:45,812 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:29:45,947 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 16:29:45,947 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 16:29:45,947 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:29:45,948 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:29:45,948 INFO L139 ounterexampleChecker]: Examining path program with hash 80812463, occurence #1 [2025-04-24 16:29:45,948 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:29:45,948 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:29:45,948 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:29:45,948 INFO L85 PathProgramCache]: Analyzing trace with hash 2044322924, now seen corresponding path program 1 times [2025-04-24 16:29:45,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:29:45,948 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940802143] [2025-04-24 16:29:45,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:29:45,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:29:45,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-24 16:29:45,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 16:29:45,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:29:45,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:29:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 16:29:46,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:29:46,197 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940802143] [2025-04-24 16:29:46,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940802143] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:29:46,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:29:46,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-24 16:29:46,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210759178] [2025-04-24 16:29:46,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:29:46,198 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 16:29:46,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:29:46,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 16:29:46,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-04-24 16:29:46,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:29:46,199 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:29:46,199 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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) [2025-04-24 16:29:46,199 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 16:29:46,199 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:29:46,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 16:29:46,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:29:46,710 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 16:29:46,710 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:29:46,710 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:29:46,711 INFO L139 ounterexampleChecker]: Examining path program with hash -408935529, occurence #1 [2025-04-24 16:29:46,711 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:29:46,711 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:29:46,711 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:29:46,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1761553406, now seen corresponding path program 2 times [2025-04-24 16:29:46,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:29:46,711 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133434265] [2025-04-24 16:29:46,711 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:29:46,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:29:46,719 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 1 equivalence classes. [2025-04-24 16:29:46,728 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 16:29:46,728 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 16:29:46,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:29:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 16:29:46,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:29:46,883 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133434265] [2025-04-24 16:29:46,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133434265] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:29:46,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:29:46,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-24 16:29:46,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434392181] [2025-04-24 16:29:46,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:29:46,884 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 16:29:46,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:29:46,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 16:29:46,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-04-24 16:29:46,885 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:29:46,885 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:29:46,885 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2025-04-24 16:29:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 16:29:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:29:46,885 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:29:47,224 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 16:29:47,224 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:29:47,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:29:47,227 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-04-24 16:29:47,228 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-24 16:29:47,228 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-04-24 16:29:47,228 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-04-24 16:29:47,228 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 16:29:47,235 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1] [2025-04-24 16:29:47,241 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-24 16:29:47,241 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-24 16:29:47,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-24 16:29:47,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.04 04:29:47 BasicIcfg [2025-04-24 16:29:47,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-24 16:29:47,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-24 16:29:47,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-24 16:29:47,254 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-24 16:29:47,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 04:29:44" (3/4) ... [2025-04-24 16:29:47,256 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-24 16:29:47,258 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2025-04-24 16:29:47,258 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2025-04-24 16:29:47,258 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2025-04-24 16:29:47,261 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2025-04-24 16:29:47,262 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-04-24 16:29:47,262 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-24 16:29:47,262 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-24 16:29:47,315 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-04-24 16:29:47,316 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2025-04-24 16:29:47,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-24 16:29:47,317 INFO L158 Benchmark]: Toolchain (without parser) took 3100.75ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 55.3MB in the beginning and 75.0MB in the end (delta: -19.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2025-04-24 16:29:47,317 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 52.7MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-24 16:29:47,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.53ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 32.8MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-24 16:29:47,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.42ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 30.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-24 16:29:47,319 INFO L158 Benchmark]: Boogie Preprocessor took 28.33ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 29.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-24 16:29:47,320 INFO L158 Benchmark]: RCFGBuilder took 352.25ms. Allocated memory is still 83.9MB. Free memory was 29.5MB in the beginning and 41.5MB in the end (delta: -12.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2025-04-24 16:29:47,320 INFO L158 Benchmark]: TraceAbstraction took 2286.87ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 41.2MB in the beginning and 81.2MB in the end (delta: -40.0MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2025-04-24 16:29:47,320 INFO L158 Benchmark]: Witness Printer took 62.63ms. Allocated memory is still 134.2MB. Free memory was 79.9MB in the beginning and 75.0MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-24 16:29:47,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 52.7MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.53ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 32.8MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.42ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 30.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.33ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 29.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.25ms. Allocated memory is still 83.9MB. Free memory was 29.5MB in the beginning and 41.5MB in the end (delta: -12.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2286.87ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 41.2MB in the beginning and 81.2MB in the end (delta: -40.0MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Witness Printer took 62.63ms. Allocated memory is still 134.2MB. Free memory was 79.9MB in the beginning and 75.0MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10229, independent: 10047, independent conditional: 9369, independent unconditional: 678, dependent: 182, dependent conditional: 158, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10229, independent: 10047, independent conditional: 9369, independent unconditional: 678, dependent: 182, dependent conditional: 158, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10229, independent: 10047, independent conditional: 9369, independent unconditional: 678, dependent: 182, dependent conditional: 158, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11601, independent: 10047, independent conditional: 9369, independent unconditional: 678, dependent: 1554, dependent conditional: 1530, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11601, independent: 10047, independent conditional: 346, independent unconditional: 9701, dependent: 1554, dependent conditional: 124, dependent unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11601, independent: 10047, independent conditional: 346, independent unconditional: 9701, dependent: 1554, dependent conditional: 124, dependent unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 719, independent: 688, independent conditional: 10, independent unconditional: 678, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 719, independent: 670, independent conditional: 0, independent unconditional: 670, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, independent: 84, independent conditional: 27, independent unconditional: 58, dependent: 65, dependent conditional: 11, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 11601, independent: 9359, independent conditional: 336, independent unconditional: 9023, dependent: 1523, dependent conditional: 117, dependent unconditional: 1406, unknown: 719, unknown conditional: 17, unknown unconditional: 702] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 688, Positive conditional cache size: 10, Positive unconditional cache size: 678, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10429, Maximal queried relation: 3, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 731, Number of trivial persistent sets: 385, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 702, independent: 678, independent conditional: 0, independent unconditional: 678, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10229, independent: 10047, independent conditional: 9369, independent unconditional: 678, dependent: 182, dependent conditional: 158, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10229, independent: 10047, independent conditional: 9369, independent unconditional: 678, dependent: 182, dependent conditional: 158, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10229, independent: 10047, independent conditional: 9369, independent unconditional: 678, dependent: 182, dependent conditional: 158, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11601, independent: 10047, independent conditional: 9369, independent unconditional: 678, dependent: 1554, dependent conditional: 1530, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11601, independent: 10047, independent conditional: 346, independent unconditional: 9701, dependent: 1554, dependent conditional: 124, dependent unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11601, independent: 10047, independent conditional: 346, independent unconditional: 9701, dependent: 1554, dependent conditional: 124, dependent unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 719, independent: 688, independent conditional: 10, independent unconditional: 678, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 719, independent: 670, independent conditional: 0, independent unconditional: 670, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, independent: 84, independent conditional: 27, independent unconditional: 58, dependent: 65, dependent conditional: 11, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 11601, independent: 9359, independent conditional: 336, independent unconditional: 9023, dependent: 1523, dependent conditional: 117, dependent unconditional: 1406, unknown: 719, unknown conditional: 17, unknown unconditional: 702] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 688, Positive conditional cache size: 10, Positive unconditional cache size: 678, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10429, Maximal queried relation: 3, Independence queries for same thread: 0 - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 64 locations, 61 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 0.7s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-24 16:29:47,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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