./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 42d87675 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.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 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --- Real Ultimate output --- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 02:29:26,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 02:29:26,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-25 02:29:26,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 02:29:26,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 02:29:26,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 02:29:26,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 02:29:26,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 02:29:26,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 02:29:26,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 02:29:26,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 02:29:26,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 02:29:26,622 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 02:29:26,622 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:29:26,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:29:26,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 02:29:26,623 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 02:29:26,624 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 02:29:26,624 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 -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> PERSISTENT_SETS [2025-04-25 02:29:26,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 02:29:26,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 02:29:26,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 02:29:26,859 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-25 02:29:26,859 INFO L274 PluginConnector]: CDTParser initialized [2025-04-25 02:29:26,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-04-25 02:29:28,176 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/251cd84d2/4b0b594155de4bff95ef239a53de01ac/FLAG9b1c24739 [2025-04-25 02:29:28,421 INFO L389 CDTParser]: Found 1 translation units. [2025-04-25 02:29:28,421 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-04-25 02:29:28,432 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/251cd84d2/4b0b594155de4bff95ef239a53de01ac/FLAG9b1c24739 [2025-04-25 02:29:29,227 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/251cd84d2/4b0b594155de4bff95ef239a53de01ac [2025-04-25 02:29:29,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 02:29:29,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-25 02:29:29,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-25 02:29:29,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-25 02:29:29,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-25 02:29:29,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2723664c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29, skipping insertion in model container [2025-04-25 02:29:29,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-25 02:29:29,432 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2025-04-25 02:29:29,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 02:29:29,540 INFO L200 MainTranslator]: Completed pre-run [2025-04-25 02:29:29,557 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2025-04-25 02:29:29,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 02:29:29,618 INFO L204 MainTranslator]: Completed translation [2025-04-25 02:29:29,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29 WrapperNode [2025-04-25 02:29:29,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-25 02:29:29,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 02:29:29,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 02:29:29,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 02:29:29,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,649 INFO L138 Inliner]: procedures = 176, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2025-04-25 02:29:29,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 02:29:29,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 02:29:29,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 02:29:29,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 02:29:29,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,661 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 02:29:29,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 02:29:29,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 02:29:29,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 02:29:29,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (1/1) ... [2025-04-25 02:29:29,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:29:29,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:29:29,703 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) [2025-04-25 02:29:29,707 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 [2025-04-25 02:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-25 02:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-25 02:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-04-25 02:29:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-04-25 02:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-04-25 02:29:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-04-25 02:29:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-04-25 02:29:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-04-25 02:29:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-04-25 02:29:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-04-25 02:29:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-25 02:29:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-25 02:29:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 02:29:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 02:29:29,725 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-25 02:29:29,821 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 02:29:29,822 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 02:29:29,955 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 02:29:29,955 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 02:29:30,033 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 02:29:30,034 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 02:29:30,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 02:29:30 BoogieIcfgContainer [2025-04-25 02:29:30,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 02:29:30,037 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 02:29:30,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 02:29:30,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 02:29:30,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.04 02:29:29" (1/3) ... [2025-04-25 02:29:30,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae82764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 02:29:30, skipping insertion in model container [2025-04-25 02:29:30,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:29:29" (2/3) ... [2025-04-25 02:29:30,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae82764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 02:29:30, skipping insertion in model container [2025-04-25 02:29:30,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 02:29:30" (3/3) ... [2025-04-25 02:29:30,044 INFO L128 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-04-25 02:29:30,055 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 02:29:30,057 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 5 procedures, 45 locations, 41 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-25 02:29:30,057 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 02:29:30,107 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-25 02:29:30,138 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 02:29:30,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 02:29:30,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:29:30,142 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) [2025-04-25 02:29:30,143 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 [2025-04-25 02:29:30,204 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 02:29:30,211 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 02:29:30,220 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;@10a2f7f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 02:29:30,220 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-25 02:29:30,354 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 2 more)] === [2025-04-25 02:29:30,357 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:29:30,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1100560895, now seen corresponding path program 1 times [2025-04-25 02:29:30,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:29:30,363 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45988014] [2025-04-25 02:29:30,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:29:30,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:29:30,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-25 02:29:30,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 02:29:30,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:29:30,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:29:30,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:29:30,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:29:30,881 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45988014] [2025-04-25 02:29:30,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45988014] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:29:30,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:29:30,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-25 02:29:30,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150787426] [2025-04-25 02:29:30,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:29:30,887 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-25 02:29:30,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:29:30,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-25 02:29:30,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-04-25 02:29:30,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:30,904 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:29:30,905 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2025-04-25 02:29:30,906 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:31,059 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:31,059 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 02:29:31,059 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 2 more)] === [2025-04-25 02:29:31,060 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:29:31,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1849696064, now seen corresponding path program 1 times [2025-04-25 02:29:31,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:29:31,061 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114611139] [2025-04-25 02:29:31,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:29:31,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:29:31,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-25 02:29:31,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-25 02:29:31,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:29:31,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:29:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:29:31,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:29:31,268 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114611139] [2025-04-25 02:29:31,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114611139] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:29:31,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:29:31,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-25 02:29:31,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094439423] [2025-04-25 02:29:31,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:29:31,269 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 02:29:31,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:29:31,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 02:29:31,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-04-25 02:29:31,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:31,271 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:29:31,271 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2025-04-25 02:29:31,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:31,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:31,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:31,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:31,403 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 02:29:31,403 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 2 more)] === [2025-04-25 02:29:31,403 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:29:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash -830201611, now seen corresponding path program 1 times [2025-04-25 02:29:31,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:29:31,404 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642219292] [2025-04-25 02:29:31,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:29:31,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:29:31,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-25 02:29:31,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 02:29:31,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:29:31,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:29:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:29:31,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:29:31,607 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642219292] [2025-04-25 02:29:31,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642219292] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:29:31,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:29:31,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-25 02:29:31,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541758507] [2025-04-25 02:29:31,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:29:31,608 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-25 02:29:31,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:29:31,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-25 02:29:31,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-04-25 02:29:31,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:31,610 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:29:31,610 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2025-04-25 02:29:31,610 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:31,610 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:31,610 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:32,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 02:29:32,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:32,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:32,223 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 02:29:32,223 INFO L403 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)] === [2025-04-25 02:29:32,223 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:29:32,224 INFO L85 PathProgramCache]: Analyzing trace with hash 206083737, now seen corresponding path program 2 times [2025-04-25 02:29:32,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:29:32,224 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126031385] [2025-04-25 02:29:32,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:29:32,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:29:32,232 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 1 equivalence classes. [2025-04-25 02:29:32,240 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 02:29:32,240 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-25 02:29:32,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:29:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:29:32,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:29:32,375 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126031385] [2025-04-25 02:29:32,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126031385] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:29:32,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:29:32,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-25 02:29:32,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304884926] [2025-04-25 02:29:32,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:29:32,376 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-25 02:29:32,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:29:32,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-25 02:29:32,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-04-25 02:29:32,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:32,377 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:29:32,377 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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) [2025-04-25 02:29:32,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 02:29:32,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:32,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:32,377 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 02:29:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:32,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:32,675 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 02:29:32,675 INFO L403 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)] === [2025-04-25 02:29:32,675 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:29:32,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1197860021, now seen corresponding path program 3 times [2025-04-25 02:29:32,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:29:32,676 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943781767] [2025-04-25 02:29:32,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:29:32,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:29:32,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 1 equivalence classes. [2025-04-25 02:29:32,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 02:29:32,690 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-25 02:29:32,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:29:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:29:32,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:29:32,790 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943781767] [2025-04-25 02:29:32,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943781767] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:29:32,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:29:32,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-25 02:29:32,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807866460] [2025-04-25 02:29:32,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:29:32,790 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-25 02:29:32,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:29:32,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-25 02:29:32,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-04-25 02:29:32,790 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:32,791 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:29:32,791 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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) [2025-04-25 02:29:32,791 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 02:29:32,791 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:32,791 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:32,791 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:32,791 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:29:33,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 02:29:33,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 02:29:33,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:33,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:33,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:29:33,214 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-25 02:29:33,215 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-25 02:29:33,216 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-25 02:29:33,216 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-25 02:29:33,216 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-25 02:29:33,216 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 02:29:33,220 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2025-04-25 02:29:33,226 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-25 02:29:33,226 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-25 02:29:33,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-25 02:29:33,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.04 02:29:33 BasicIcfg [2025-04-25 02:29:33,237 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-25 02:29:33,238 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-25 02:29:33,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-25 02:29:33,238 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-25 02:29:33,239 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 02:29:30" (3/4) ... [2025-04-25 02:29:33,241 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-25 02:29:33,243 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2025-04-25 02:29:33,243 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2025-04-25 02:29:33,243 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2025-04-25 02:29:33,244 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2025-04-25 02:29:33,248 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2025-04-25 02:29:33,248 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-04-25 02:29:33,248 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-04-25 02:29:33,248 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-25 02:29:33,303 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-04-25 02:29:33,303 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2025-04-25 02:29:33,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-25 02:29:33,304 INFO L158 Benchmark]: Toolchain (without parser) took 4073.50ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 153.0MB in the beginning and 179.8MB in the end (delta: -26.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2025-04-25 02:29:33,304 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-25 02:29:33,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.26ms. Allocated memory is still 201.3MB. Free memory was 152.5MB in the beginning and 130.1MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-25 02:29:33,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.85ms. Allocated memory is still 201.3MB. Free memory was 130.1MB in the beginning and 128.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-25 02:29:33,306 INFO L158 Benchmark]: Boogie Preprocessor took 23.93ms. Allocated memory is still 201.3MB. Free memory was 128.1MB in the beginning and 126.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-25 02:29:33,306 INFO L158 Benchmark]: RCFGBuilder took 360.34ms. Allocated memory is still 201.3MB. Free memory was 126.9MB in the beginning and 107.0MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-25 02:29:33,306 INFO L158 Benchmark]: TraceAbstraction took 3199.71ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 106.5MB in the beginning and 185.5MB in the end (delta: -78.9MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2025-04-25 02:29:33,307 INFO L158 Benchmark]: Witness Printer took 65.40ms. Allocated memory is still 243.3MB. Free memory was 185.5MB in the beginning and 179.8MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-25 02:29:33,308 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.26ms. Allocated memory is still 201.3MB. Free memory was 152.5MB in the beginning and 130.1MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.85ms. Allocated memory is still 201.3MB. Free memory was 130.1MB in the beginning and 128.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.93ms. Allocated memory is still 201.3MB. Free memory was 128.1MB in the beginning and 126.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.34ms. Allocated memory is still 201.3MB. Free memory was 126.9MB in the beginning and 107.0MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3199.71ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 106.5MB in the beginning and 185.5MB in the end (delta: -78.9MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Witness Printer took 65.40ms. Allocated memory is still 243.3MB. Free memory was 185.5MB in the beginning and 179.8MB in the end (delta: 5.6MB). 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: 968, independent: 940, independent conditional: 0, independent unconditional: 940, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 968, independent: 940, independent conditional: 0, independent unconditional: 940, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 968, independent: 940, independent conditional: 0, independent unconditional: 940, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 968, independent: 925, independent conditional: 0, independent unconditional: 925, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 968, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 968, unknown conditional: 0, unknown unconditional: 968] , Statistics on independence cache: Total cache size (in pairs): 968, Positive cache size: 940, Positive conditional cache size: 0, Positive unconditional cache size: 940, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 1826, Number of trivial persistent sets: 402, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 968, independent: 940, independent conditional: 0, independent unconditional: 940, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 968, independent: 940, independent conditional: 0, independent unconditional: 940, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 968, independent: 940, independent conditional: 0, independent unconditional: 940, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 968, independent: 925, independent conditional: 0, independent unconditional: 925, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 968, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 968, unknown conditional: 0, unknown unconditional: 968] , Statistics on independence cache: Total cache size (in pairs): 968, Positive cache size: 940, Positive conditional cache size: 0, Positive unconditional cache size: 940, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, 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 9 procedures, 75 locations, 71 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.7s, 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: 35, 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, 1.0s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2025-04-25 02:29:33,324 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