./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 01:32:31,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 01:32:31,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 01:32:31,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 01:32:31,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 01:32:31,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 01:32:31,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 01:32:31,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 01:32:31,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 01:32:31,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 01:32:31,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 01:32:31,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 01:32:31,378 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 01:32:31,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 01:32:31,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 01:32:31,378 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 01:32:31,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 01:32:31,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 01:32:31,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 01:32:31,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 01:32:31,380 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 01:32:31,380 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-jdk21/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 -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa 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 [2025-01-23 01:32:31,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 01:32:31,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 01:32:31,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 01:32:31,685 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 01:32:31,685 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 01:32:31,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-01-23 01:32:33,064 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f83f3c4ea/0e964d8373064260b25e204613fdc7ca/FLAGbaf10d1f3 [2025-01-23 01:32:33,363 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 01:32:33,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-01-23 01:32:33,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f83f3c4ea/0e964d8373064260b25e204613fdc7ca/FLAGbaf10d1f3 [2025-01-23 01:32:33,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f83f3c4ea/0e964d8373064260b25e204613fdc7ca [2025-01-23 01:32:33,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 01:32:33,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 01:32:33,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 01:32:33,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 01:32:33,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 01:32:33,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 01:32:33" (1/1) ... [2025-01-23 01:32:33,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708d292c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:33, skipping insertion in model container [2025-01-23 01:32:33,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 01:32:33" (1/1) ... [2025-01-23 01:32:33,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 01:32:33,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2025-01-23 01:32:33,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 01:32:33,983 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 01:32:34,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2025-01-23 01:32:34,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 01:32:34,183 INFO L204 MainTranslator]: Completed translation [2025-01-23 01:32:34,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34 WrapperNode [2025-01-23 01:32:34,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 01:32:34,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 01:32:34,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 01:32:34,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 01:32:34,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,247 INFO L138 Inliner]: procedures = 174, calls = 39, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2025-01-23 01:32:34,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 01:32:34,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 01:32:34,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 01:32:34,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 01:32:34,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 01:32:34,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 01:32:34,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 01:32:34,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 01:32:34,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (1/1) ... [2025-01-23 01:32:34,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 01:32:34,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 01:32:34,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 01:32:34,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 01:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 01:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 01:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-01-23 01:32:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-01-23 01:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-01-23 01:32:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-01-23 01:32:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 01:32:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 01:32:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 01:32:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 01:32:34,363 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 01:32:34,471 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 01:32:34,472 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 01:32:34,869 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 01:32:34,869 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 01:32:35,086 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 01:32:35,086 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 01:32:35,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 01:32:35 BoogieIcfgContainer [2025-01-23 01:32:35,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 01:32:35,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 01:32:35,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 01:32:35,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 01:32:35,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 01:32:33" (1/3) ... [2025-01-23 01:32:35,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d8d7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 01:32:35, skipping insertion in model container [2025-01-23 01:32:35,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 01:32:34" (2/3) ... [2025-01-23 01:32:35,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d8d7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 01:32:35, skipping insertion in model container [2025-01-23 01:32:35,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 01:32:35" (3/3) ... [2025-01-23 01:32:35,098 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-01-23 01:32:35,114 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 01:32:35,116 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 3 procedures, 33 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-01-23 01:32:35,117 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 01:32:35,194 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-23 01:32:35,234 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 01:32:35,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 01:32:35,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 01:32:35,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 01:32:35,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 01:32:35,317 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 01:32:35,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2025-01-23 01:32:35,331 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@29143885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 01:32:35,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-23 01:32:36,225 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 01:32:36,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 01:32:36,232 INFO L85 PathProgramCache]: Analyzing trace with hash -942372534, now seen corresponding path program 1 times [2025-01-23 01:32:36,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 01:32:36,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643253901] [2025-01-23 01:32:36,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 01:32:36,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 01:32:36,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-23 01:32:36,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-23 01:32:36,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 01:32:36,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 01:32:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 01:32:36,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 01:32:36,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643253901] [2025-01-23 01:32:36,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643253901] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 01:32:36,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 01:32:36,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-23 01:32:36,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680380190] [2025-01-23 01:32:36,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 01:32:36,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 01:32:36,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 01:32:36,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 01:32:36,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 01:32:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:32:36,725 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 01:32:36,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 01:32:36,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:33:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 01:33:26,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-23 01:33:26,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 01:33:26,656 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-23 01:33:26,657 INFO L319 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2) [2025-01-23 01:33:26,660 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 01:33:26,661 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 01:33:26,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 01:33:26,661 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@29143885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 01:33:26,661 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-23 01:33:26,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 01:33:26,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 01:33:26,668 INFO L85 PathProgramCache]: Analyzing trace with hash 74082616, now seen corresponding path program 1 times [2025-01-23 01:33:26,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 01:33:26,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861040503] [2025-01-23 01:33:26,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 01:33:26,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 01:33:26,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-23 01:33:26,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-23 01:33:26,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 01:33:26,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 01:33:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 01:33:27,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 01:33:27,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861040503] [2025-01-23 01:33:27,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861040503] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 01:33:27,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 01:33:27,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 01:33:27,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995079194] [2025-01-23 01:33:27,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 01:33:27,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 01:33:27,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 01:33:27,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 01:33:27,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-23 01:33:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:33:27,231 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 01:33:27,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 01:33:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:33:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:33:33,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 01:33:33,921 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 01:33:33,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 01:33:33,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1090081348, now seen corresponding path program 1 times [2025-01-23 01:33:33,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 01:33:33,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617592273] [2025-01-23 01:33:33,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 01:33:33,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 01:33:33,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-23 01:33:33,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-23 01:33:33,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 01:33:33,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 01:33:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 01:33:34,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 01:33:34,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617592273] [2025-01-23 01:33:34,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617592273] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 01:33:34,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 01:33:34,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 01:33:34,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896149900] [2025-01-23 01:33:34,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 01:33:34,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 01:33:34,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 01:33:34,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 01:33:34,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-23 01:33:34,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:33:34,382 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 01:33:34,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 01:33:34,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:33:34,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:33:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:33:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:33:34,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-23 01:33:34,512 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 01:33:34,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 01:33:34,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1198076094, now seen corresponding path program 1 times [2025-01-23 01:33:34,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 01:33:34,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284692679] [2025-01-23 01:33:34,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 01:33:34,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 01:33:34,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-23 01:33:34,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-23 01:33:34,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 01:33:34,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 01:33:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 01:33:35,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 01:33:35,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284692679] [2025-01-23 01:33:35,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284692679] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 01:33:35,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 01:33:35,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-23 01:33:35,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134727380] [2025-01-23 01:33:35,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 01:33:35,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 01:33:35,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 01:33:35,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 01:33:35,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-23 01:33:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:33:35,374 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 01:33:35,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 01:33:35,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:33:35,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:33:35,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:11,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 01:34:11,421 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 01:34:11,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 01:34:11,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1454159170, now seen corresponding path program 2 times [2025-01-23 01:34:11,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 01:34:11,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966601914] [2025-01-23 01:34:11,422 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 01:34:11,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 01:34:11,430 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 1 equivalence classes. [2025-01-23 01:34:11,498 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-23 01:34:11,498 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 01:34:11,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 01:34:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 01:34:12,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 01:34:12,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966601914] [2025-01-23 01:34:12,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966601914] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 01:34:12,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 01:34:12,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-23 01:34:12,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308416602] [2025-01-23 01:34:12,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 01:34:12,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-23 01:34:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 01:34:12,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-23 01:34:12,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-23 01:34:12,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:12,487 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 01:34:12,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 01:34:12,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:12,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:12,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:12,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:35,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 01:34:35,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-23 01:34:35,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 01:34:35,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 01:34:35,122 INFO L85 PathProgramCache]: Analyzing trace with hash -736945474, now seen corresponding path program 3 times [2025-01-23 01:34:35,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 01:34:35,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839428786] [2025-01-23 01:34:35,122 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 01:34:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 01:34:35,130 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 1 equivalence classes. [2025-01-23 01:34:35,163 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-23 01:34:35,167 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-23 01:34:35,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 01:34:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 01:34:35,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 01:34:35,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839428786] [2025-01-23 01:34:35,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839428786] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 01:34:35,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 01:34:35,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-23 01:34:35,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136950918] [2025-01-23 01:34:35,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 01:34:35,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 01:34:35,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 01:34:35,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 01:34:35,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-23 01:34:35,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:35,915 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 01:34:35,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 01:34:35,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:35,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:35,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:35,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 01:34:35,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 01:34:36,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 01:34:36,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-23 01:34:36,667 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 01:34:36,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 01:34:36,668 INFO L85 PathProgramCache]: Analyzing trace with hash 777508986, now seen corresponding path program 4 times [2025-01-23 01:34:36,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 01:34:36,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899298851] [2025-01-23 01:34:36,668 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 01:34:36,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 01:34:36,681 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 24 statements into 2 equivalence classes. [2025-01-23 01:34:36,744 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-01-23 01:34:36,744 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 01:34:36,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 01:34:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 01:34:36,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 01:34:36,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899298851] [2025-01-23 01:34:36,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899298851] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 01:34:36,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 01:34:36,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 01:34:36,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053790674] [2025-01-23 01:34:36,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 01:34:36,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 01:34:36,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 01:34:36,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 01:34:36,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 01:34:36,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:36,885 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 01:34:36,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 01:34:36,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:36,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:36,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:36,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 01:34:36,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 01:34:36,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:37,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 01:34:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 01:34:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 01:34:37,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-23 01:34:37,054 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 01:34:37,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 01:34:37,054 INFO L85 PathProgramCache]: Analyzing trace with hash 851978201, now seen corresponding path program 1 times [2025-01-23 01:34:37,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 01:34:37,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87505579] [2025-01-23 01:34:37,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 01:34:37,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 01:34:37,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-23 01:34:37,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-23 01:34:37,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 01:34:37,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 01:34:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 01:34:38,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 01:34:38,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87505579] [2025-01-23 01:34:38,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87505579] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 01:34:38,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 01:34:38,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-23 01:34:38,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584356069] [2025-01-23 01:34:38,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 01:34:38,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 01:34:38,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 01:34:38,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 01:34:38,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-23 01:34:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:38,093 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 01:34:38,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 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) [2025-01-23 01:34:38,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:38,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 01:34:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 01:34:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 01:34:38,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 01:34:38,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 01:34:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 01:34:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 01:34:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 01:34:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 01:34:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 01:34:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 01:34:38,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-01-23 01:34:38,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-01-23 01:34:38,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-23 01:34:38,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-23 01:34:38,700 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1] [2025-01-23 01:34:38,701 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2025-01-23 01:34:38,701 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-23 01:34:38,701 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-23 01:34:38,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-23 01:34:38,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 01:34:38 BasicIcfg [2025-01-23 01:34:38,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-23 01:34:38,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-23 01:34:38,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-23 01:34:38,724 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-23 01:34:38,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 01:32:35" (3/4) ... [2025-01-23 01:34:38,726 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-23 01:34:38,729 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2025-01-23 01:34:38,729 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2025-01-23 01:34:38,733 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2025-01-23 01:34:38,733 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-01-23 01:34:38,733 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-23 01:34:38,734 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-23 01:34:38,816 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-01-23 01:34:38,816 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2025-01-23 01:34:38,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-23 01:34:38,818 INFO L158 Benchmark]: Toolchain (without parser) took 125174.81ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 90.9MB in the beginning and 939.4MB in the end (delta: -848.5MB). Peak memory consumption was 266.1MB. Max. memory is 16.1GB. [2025-01-23 01:34:38,819 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 01:34:38,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.70ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 63.4MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-23 01:34:38,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.14ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 60.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 01:34:38,820 INFO L158 Benchmark]: Boogie Preprocessor took 50.02ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 01:34:38,820 INFO L158 Benchmark]: RCFGBuilder took 785.01ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 44.3MB in the end (delta: 14.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2025-01-23 01:34:38,821 INFO L158 Benchmark]: TraceAbstraction took 123632.94ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 43.6MB in the beginning and 943.6MB in the end (delta: -900.1MB). Peak memory consumption was 218.6MB. Max. memory is 16.1GB. [2025-01-23 01:34:38,821 INFO L158 Benchmark]: Witness Printer took 93.59ms. Allocated memory is still 1.2GB. Free memory was 943.6MB in the beginning and 939.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 01:34:38,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.70ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 63.4MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.14ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 60.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.02ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 785.01ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 44.3MB in the end (delta: 14.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 123632.94ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 43.6MB in the beginning and 943.6MB in the end (delta: -900.1MB). Peak memory consumption was 218.6MB. Max. memory is 16.1GB. * Witness Printer took 93.59ms. Allocated memory is still 1.2GB. Free memory was 943.6MB in the beginning and 939.4MB in the end (delta: 4.3MB). 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: 688, independent: 536, independent conditional: 210, independent unconditional: 326, dependent: 152, dependent conditional: 121, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 684, independent: 536, independent conditional: 0, independent unconditional: 536, dependent: 148, dependent conditional: 0, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 362, independent: 326, independent conditional: 0, independent unconditional: 326, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 362, independent: 324, independent conditional: 0, independent unconditional: 324, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50637, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 50592, dependent conditional: 0, dependent unconditional: 50592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 684, independent: 210, independent conditional: 0, independent unconditional: 210, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 362, unknown conditional: 0, unknown unconditional: 362] , Statistics on independence cache: Total cache size (in pairs): 362, Positive cache size: 326, Positive conditional cache size: 0, Positive unconditional cache size: 326, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 49.4s, Number of persistent set computation: 76, Number of trivial persistent sets: 58, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 688, independent: 536, independent conditional: 210, independent unconditional: 326, dependent: 152, dependent conditional: 121, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 684, independent: 536, independent conditional: 0, independent unconditional: 536, dependent: 148, dependent conditional: 0, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 362, independent: 326, independent conditional: 0, independent unconditional: 326, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 362, independent: 324, independent conditional: 0, independent unconditional: 324, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50637, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 50592, dependent conditional: 0, dependent unconditional: 50592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 684, independent: 210, independent conditional: 0, independent unconditional: 210, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 362, unknown conditional: 0, unknown unconditional: 362] , Statistics on independence cache: Total cache size (in pairs): 362, Positive cache size: 326, Positive conditional cache size: 0, Positive unconditional cache size: 326, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 4 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6536, independent: 5653, independent conditional: 5267, independent unconditional: 386, dependent: 883, dependent conditional: 830, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6519, independent: 5653, independent conditional: 0, independent unconditional: 5653, dependent: 866, dependent conditional: 0, dependent unconditional: 866, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 140, independent: 115, independent conditional: 0, independent unconditional: 115, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 140, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64512, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 64510, dependent conditional: 0, dependent unconditional: 64510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6519, independent: 5538, independent conditional: 0, independent unconditional: 5538, dependent: 841, dependent conditional: 0, dependent unconditional: 841, unknown: 140, unknown conditional: 0, unknown unconditional: 140] , Statistics on independence cache: Total cache size (in pairs): 502, Positive cache size: 441, Positive conditional cache size: 0, Positive unconditional cache size: 441, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 17, Persistent sets #1 benchmarks: Persistent set computation time: 64.6s, Number of persistent set computation: 329, Number of trivial persistent sets: 167, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6536, independent: 5653, independent conditional: 5267, independent unconditional: 386, dependent: 883, dependent conditional: 830, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6519, independent: 5653, independent conditional: 0, independent unconditional: 5653, dependent: 866, dependent conditional: 0, dependent unconditional: 866, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 140, independent: 115, independent conditional: 0, independent unconditional: 115, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 140, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64512, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 64510, dependent conditional: 0, dependent unconditional: 64510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6519, independent: 5538, independent conditional: 0, independent unconditional: 5538, dependent: 841, dependent conditional: 0, dependent unconditional: 841, unknown: 140, unknown conditional: 0, unknown unconditional: 140] , Statistics on independence cache: Total cache size (in pairs): 502, Positive cache size: 441, Positive conditional cache size: 0, Positive unconditional cache size: 441, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 17 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 51.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 50.8s, 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: 3, 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, 0.3s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 72.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 67.0s, 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: 70, 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, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 1493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-23 01:34:38,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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