./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --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/ldv-races/race-4_1-thread_local_vars.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 a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 23:53:38,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 23:53:38,841 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 23:53:38,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 23:53:38,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 23:53:38,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 23:53:38,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 23:53:38,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 23:53:38,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 23:53:38,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 23:53:38,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 23:53:38,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 23:53:38,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 23:53:38,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 23:53:38,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 23:53:38,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 23:53:38,867 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 23:53:38,867 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 23:53:38,867 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 -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-23 23:53:39,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 23:53:39,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 23:53:39,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 23:53:39,099 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 23:53:39,099 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 23:53:39,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2025-01-23 23:53:40,208 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1588ece8f/1819e61e80d045ac80a7d13310993a40/FLAGdd73fdecf [2025-01-23 23:53:40,423 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 23:53:40,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2025-01-23 23:53:40,445 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1588ece8f/1819e61e80d045ac80a7d13310993a40/FLAGdd73fdecf [2025-01-23 23:53:40,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1588ece8f/1819e61e80d045ac80a7d13310993a40 [2025-01-23 23:53:40,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 23:53:40,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 23:53:40,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 23:53:40,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 23:53:40,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 23:53:40,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 11:53:40" (1/1) ... [2025-01-23 23:53:40,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bfaa54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:40, skipping insertion in model container [2025-01-23 23:53:40,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 11:53:40" (1/1) ... [2025-01-23 23:53:40,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 23:53:41,132 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/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2025-01-23 23:53:41,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 23:53:41,185 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 23:53:41,258 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/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2025-01-23 23:53:41,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 23:53:41,347 INFO L204 MainTranslator]: Completed translation [2025-01-23 23:53:41,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41 WrapperNode [2025-01-23 23:53:41,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 23:53:41,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 23:53:41,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 23:53:41,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 23:53:41,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,388 INFO L138 Inliner]: procedures = 487, calls = 36, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 197 [2025-01-23 23:53:41,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 23:53:41,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 23:53:41,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 23:53:41,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 23:53:41,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,407 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 23:53:41,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 23:53:41,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 23:53:41,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 23:53:41,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (1/1) ... [2025-01-23 23:53:41,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 23:53:41,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 23:53:41,453 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 23:53:41,457 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 23:53:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2025-01-23 23:53:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2025-01-23 23:53:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-23 23:53:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2025-01-23 23:53:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2025-01-23 23:53:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-23 23:53:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 23:53:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-23 23:53:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 23:53:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 23:53:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-23 23:53:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-23 23:53:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 23:53:41,475 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 23:53:41,684 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 23:53:41,687 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 23:53:41,891 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 23:53:41,893 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 23:53:42,015 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 23:53:42,016 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-23 23:53:42,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 11:53:42 BoogieIcfgContainer [2025-01-23 23:53:42,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 23:53:42,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 23:53:42,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 23:53:42,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 23:53:42,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 11:53:40" (1/3) ... [2025-01-23 23:53:42,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d80a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 11:53:42, skipping insertion in model container [2025-01-23 23:53:42,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:53:41" (2/3) ... [2025-01-23 23:53:42,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d80a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 11:53:42, skipping insertion in model container [2025-01-23 23:53:42,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 11:53:42" (3/3) ... [2025-01-23 23:53:42,026 INFO L128 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2025-01-23 23:53:42,036 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 23:53:42,037 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-4_1-thread_local_vars.i that has 3 procedures, 63 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2025-01-23 23:53:42,038 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 23:53:42,100 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2025-01-23 23:53:42,132 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 23:53:42,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 23:53:42,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 23:53:42,134 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 23:53:42,136 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 23:53:42,221 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 23:53:42,234 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 23:53:42,243 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;@1cc1cd8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 23:53:42,243 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-23 23:53:42,253 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-01-23 23:53:42,253 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 23:53:42,254 INFO L139 ounterexampleChecker]: Examining path program with hash 1842237314, occurence #1 [2025-01-23 23:53:42,254 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 23:53:42,254 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 23:53:42,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 23:53:42,259 INFO L85 PathProgramCache]: Analyzing trace with hash 524318, now seen corresponding path program 1 times [2025-01-23 23:53:42,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 23:53:42,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359197288] [2025-01-23 23:53:42,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 23:53:42,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 23:53:42,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-23 23:53:42,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-23 23:53:42,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 23:53:42,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 23:53:42,541 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 23:53:42,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 23:53:42,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359197288] [2025-01-23 23:53:42,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359197288] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 23:53:42,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 23:53:42,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 23:53:42,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698682487] [2025-01-23 23:53:42,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 23:53:42,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 23:53:42,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 23:53:42,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 23:53:42,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 23:53:42,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:42,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 23:53:42,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 23:53:42,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:43,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:43,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-01-23 23:53:43,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-01-23 23:53:43,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2025-01-23 23:53:43,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-23 23:53:43,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 23:53:44,002 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-23 23:53:44,003 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (1/3) [2025-01-23 23:53:44,006 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 23:53:44,006 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 23:53:44,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_ath9kThread1of1ForFork1 ======== [2025-01-23 23:53:44,007 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;@1cc1cd8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 23:53:44,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-23 23:53:44,020 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 23:53:44,020 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 23:53:44,020 INFO L139 ounterexampleChecker]: Examining path program with hash 569927899, occurence #1 [2025-01-23 23:53:44,020 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 23:53:44,020 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 23:53:44,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 23:53:44,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1886785801, now seen corresponding path program 1 times [2025-01-23 23:53:44,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 23:53:44,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433315480] [2025-01-23 23:53:44,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 23:53:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 23:53:44,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-23 23:53:44,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-23 23:53:44,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 23:53:44,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 23:53:44,165 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 23:53:44,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 23:53:44,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433315480] [2025-01-23 23:53:44,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433315480] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 23:53:44,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 23:53:44,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 23:53:44,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944710451] [2025-01-23 23:53:44,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 23:53:44,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 23:53:44,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 23:53:44,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 23:53:44,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 23:53:44,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,166 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 23:53:44,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 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) [2025-01-23 23:53:44,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 23:53:44,204 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 23:53:44,204 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 23:53:44,204 INFO L139 ounterexampleChecker]: Examining path program with hash 1514627013, occurence #1 [2025-01-23 23:53:44,204 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 23:53:44,204 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 23:53:44,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 23:53:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1426727973, now seen corresponding path program 1 times [2025-01-23 23:53:44,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 23:53:44,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926235331] [2025-01-23 23:53:44,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 23:53:44,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 23:53:44,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-23 23:53:44,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-23 23:53:44,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 23:53:44,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 23:53:44,298 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 23:53:44,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 23:53:44,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926235331] [2025-01-23 23:53:44,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926235331] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 23:53:44,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 23:53:44,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 23:53:44,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209807015] [2025-01-23 23:53:44,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 23:53:44,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 23:53:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 23:53:44,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 23:53:44,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 23:53:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 23:53:44,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 23:53:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 23:53:44,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-23 23:53:44,351 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 23:53:44,351 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 23:53:44,351 INFO L139 ounterexampleChecker]: Examining path program with hash 68594797, occurence #1 [2025-01-23 23:53:44,351 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 23:53:44,351 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 23:53:44,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 23:53:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash -303653871, now seen corresponding path program 1 times [2025-01-23 23:53:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 23:53:44,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920847040] [2025-01-23 23:53:44,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 23:53:44,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 23:53:44,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-23 23:53:44,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-23 23:53:44,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 23:53:44,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 23:53:44,447 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 23:53:44,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 23:53:44,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920847040] [2025-01-23 23:53:44,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920847040] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 23:53:44,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 23:53:44,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 23:53:44,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008811259] [2025-01-23 23:53:44,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 23:53:44,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 23:53:44,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 23:53:44,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 23:53:44,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 23:53:44,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 23:53:44,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 23:53:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 23:53:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 23:53:44,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-23 23:53:44,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 23:53:44,821 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-23 23:53:44,822 INFO L319 ceAbstractionStarter]: Result for error location thread_ath9kThread1of1ForFork1 was SAFE (2/3) [2025-01-23 23:53:44,823 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 23:53:44,824 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 23:53:44,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_usbThread1of1ForFork0 ======== [2025-01-23 23:53:44,824 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;@1cc1cd8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 23:53:44,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-23 23:53:44,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 23:53:44,826 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 23:53:44,826 INFO L139 ounterexampleChecker]: Examining path program with hash -140900609, occurence #1 [2025-01-23 23:53:44,826 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 23:53:44,826 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 23:53:44,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 23:53:44,827 INFO L85 PathProgramCache]: Analyzing trace with hash 582328258, now seen corresponding path program 1 times [2025-01-23 23:53:44,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 23:53:44,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361277395] [2025-01-23 23:53:44,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 23:53:44,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 23:53:44,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-23 23:53:44,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-23 23:53:44,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 23:53:44,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 23:53:44,863 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 23:53:44,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 23:53:44,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361277395] [2025-01-23 23:53:44,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361277395] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 23:53:44,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 23:53:44,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 23:53:44,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362049214] [2025-01-23 23:53:44,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 23:53:44,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 23:53:44,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 23:53:44,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 23:53:44,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 23:53:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,864 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 23:53:44,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 23:53:44,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-23 23:53:44,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 23:53:44,887 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 23:53:44,887 INFO L139 ounterexampleChecker]: Examining path program with hash 779602967, occurence #1 [2025-01-23 23:53:44,887 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 23:53:44,887 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 23:53:44,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 23:53:44,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1309709687, now seen corresponding path program 1 times [2025-01-23 23:53:44,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 23:53:44,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472706070] [2025-01-23 23:53:44,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 23:53:44,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 23:53:44,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-23 23:53:44,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-23 23:53:44,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 23:53:44,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 23:53:44,952 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 23:53:44,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 23:53:44,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472706070] [2025-01-23 23:53:44,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472706070] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 23:53:44,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 23:53:44,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 23:53:44,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583667466] [2025-01-23 23:53:44,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 23:53:44,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 23:53:44,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 23:53:44,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 23:53:44,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 23:53:44,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,953 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 23:53:44,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 23:53:44,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:44,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:44,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 23:53:44,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-23 23:53:44,980 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 23:53:44,980 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 23:53:44,980 INFO L139 ounterexampleChecker]: Examining path program with hash 151014638, occurence #1 [2025-01-23 23:53:44,980 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 23:53:44,980 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 23:53:44,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 23:53:44,981 INFO L85 PathProgramCache]: Analyzing trace with hash -319195757, now seen corresponding path program 1 times [2025-01-23 23:53:44,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 23:53:44,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923132000] [2025-01-23 23:53:44,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 23:53:44,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 23:53:44,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-23 23:53:44,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-23 23:53:44,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 23:53:44,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 23:53:45,037 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 23:53:45,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 23:53:45,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923132000] [2025-01-23 23:53:45,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923132000] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 23:53:45,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 23:53:45,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 23:53:45,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124205139] [2025-01-23 23:53:45,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 23:53:45,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 23:53:45,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 23:53:45,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 23:53:45,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 23:53:45,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:45,038 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 23:53:45,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 23:53:45,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:45,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 23:53:45,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 23:53:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:45,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-23 23:53:45,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 23:53:45,129 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 23:53:45,129 INFO L139 ounterexampleChecker]: Examining path program with hash 1658171667, occurence #1 [2025-01-23 23:53:45,129 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 23:53:45,129 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 23:53:45,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 23:53:45,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1566628060, now seen corresponding path program 1 times [2025-01-23 23:53:45,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 23:53:45,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397201788] [2025-01-23 23:53:45,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 23:53:45,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 23:53:45,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-23 23:53:45,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-23 23:53:45,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 23:53:45,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 23:53:45,186 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 23:53:45,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 23:53:45,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397201788] [2025-01-23 23:53:45,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397201788] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 23:53:45,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 23:53:45,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 23:53:45,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947240240] [2025-01-23 23:53:45,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 23:53:45,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 23:53:45,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 23:53:45,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 23:53:45,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 23:53:45,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:45,187 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 23:53:45,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 23:53:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 23:53:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 23:53:45,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 23:53:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 23:53:45,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-01-23 23:53:45,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2025-01-23 23:53:45,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-23 23:53:45,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-23 23:53:45,509 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-23 23:53:45,509 INFO L319 ceAbstractionStarter]: Result for error location thread_usbThread1of1ForFork0 was SAFE,SAFE,SAFE (3/3) [2025-01-23 23:53:45,510 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-23 23:53:45,510 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-23 23:53:45,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-23 23:53:45,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 11:53:45 BasicIcfg [2025-01-23 23:53:45,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-23 23:53:45,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-23 23:53:45,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-23 23:53:45,522 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-23 23:53:45,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 11:53:42" (3/4) ... [2025-01-23 23:53:45,524 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-23 23:53:45,526 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2025-01-23 23:53:45,526 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2025-01-23 23:53:45,530 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2025-01-23 23:53:45,530 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-01-23 23:53:45,530 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-23 23:53:45,531 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-23 23:53:45,584 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-01-23 23:53:45,585 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2025-01-23 23:53:45,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-23 23:53:45,586 INFO L158 Benchmark]: Toolchain (without parser) took 4818.32ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 89.3MB in the beginning and 67.4MB in the end (delta: 21.9MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2025-01-23 23:53:45,586 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 23:53:45,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.68ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 84.8MB in the end (delta: 4.5MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2025-01-23 23:53:45,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.05ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 81.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 23:53:45,587 INFO L158 Benchmark]: Boogie Preprocessor took 32.81ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-23 23:53:45,587 INFO L158 Benchmark]: RCFGBuilder took 594.17ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.9MB in the end (delta: 370.0kB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2025-01-23 23:53:45,587 INFO L158 Benchmark]: TraceAbstraction took 3500.83ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 77.3MB in the beginning and 73.4MB in the end (delta: 3.9MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2025-01-23 23:53:45,587 INFO L158 Benchmark]: Witness Printer took 63.45ms. Allocated memory is still 201.3MB. Free memory was 73.4MB in the beginning and 67.4MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-23 23:53:45,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.68ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 84.8MB in the end (delta: 4.5MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.05ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 81.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.81ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 594.17ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.9MB in the end (delta: 370.0kB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3500.83ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 77.3MB in the beginning and 73.4MB in the end (delta: 3.9MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. * Witness Printer took 63.45ms. Allocated memory is still 201.3MB. Free memory was 73.4MB in the beginning and 67.4MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. 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: 12534, independent: 11109, independent conditional: 7151, independent unconditional: 3958, dependent: 1425, dependent conditional: 1398, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11150, independent: 11109, independent conditional: 7151, independent unconditional: 3958, dependent: 41, dependent conditional: 14, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11150, independent: 11109, independent conditional: 7151, independent unconditional: 3958, dependent: 41, dependent conditional: 14, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11164, independent: 11109, independent conditional: 7151, independent unconditional: 3958, dependent: 55, dependent conditional: 28, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11164, independent: 11109, independent conditional: 0, independent unconditional: 11109, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11164, independent: 11109, independent conditional: 0, independent unconditional: 11109, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2599, independent: 2572, independent conditional: 0, independent unconditional: 2572, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2599, independent: 2561, independent conditional: 0, independent unconditional: 2561, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 858, independent: 268, independent conditional: 0, independent unconditional: 268, dependent: 590, dependent conditional: 0, dependent unconditional: 590, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 11164, independent: 8537, independent conditional: 0, independent unconditional: 8537, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 2599, unknown conditional: 0, unknown unconditional: 2599] , Statistics on independence cache: Total cache size (in pairs): 2599, Positive cache size: 2572, Positive conditional cache size: 0, Positive unconditional cache size: 2572, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7179, Maximal queried relation: 1, Independence queries for same thread: 1384, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 2744, Number of trivial persistent sets: 2492, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3985, independent: 3958, independent conditional: 0, independent unconditional: 3958, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12534, independent: 11109, independent conditional: 7151, independent unconditional: 3958, dependent: 1425, dependent conditional: 1398, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11150, independent: 11109, independent conditional: 7151, independent unconditional: 3958, dependent: 41, dependent conditional: 14, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11150, independent: 11109, independent conditional: 7151, independent unconditional: 3958, dependent: 41, dependent conditional: 14, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11164, independent: 11109, independent conditional: 7151, independent unconditional: 3958, dependent: 55, dependent conditional: 28, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11164, independent: 11109, independent conditional: 0, independent unconditional: 11109, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11164, independent: 11109, independent conditional: 0, independent unconditional: 11109, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2599, independent: 2572, independent conditional: 0, independent unconditional: 2572, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2599, independent: 2561, independent conditional: 0, independent unconditional: 2561, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 858, independent: 268, independent conditional: 0, independent unconditional: 268, dependent: 590, dependent conditional: 0, dependent unconditional: 590, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 11164, independent: 8537, independent conditional: 0, independent unconditional: 8537, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 2599, unknown conditional: 0, unknown unconditional: 2599] , Statistics on independence cache: Total cache size (in pairs): 2599, Positive cache size: 2572, Positive conditional cache size: 0, Positive unconditional cache size: 2572, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7179, Maximal queried relation: 1, Independence queries for same thread: 1384 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10251, independent: 9159, independent conditional: 5704, independent unconditional: 3455, dependent: 1092, dependent conditional: 1065, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9197, independent: 9159, independent conditional: 5704, independent unconditional: 3455, dependent: 38, dependent conditional: 11, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9197, independent: 9159, independent conditional: 5704, independent unconditional: 3455, dependent: 38, dependent conditional: 11, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9208, independent: 9159, independent conditional: 5704, independent unconditional: 3455, dependent: 49, dependent conditional: 22, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9208, independent: 9159, independent conditional: 0, independent unconditional: 9159, dependent: 49, dependent conditional: 2, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9208, independent: 9159, independent conditional: 0, independent unconditional: 9159, dependent: 49, dependent conditional: 2, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 9208, independent: 9159, independent conditional: 0, independent unconditional: 9159, dependent: 48, dependent conditional: 1, dependent unconditional: 47, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2600, Positive cache size: 2572, Positive conditional cache size: 0, Positive unconditional cache size: 2572, Negative cache size: 28, Negative conditional cache size: 1, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5724, Maximal queried relation: 1, Independence queries for same thread: 1054, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 1846, Number of trivial persistent sets: 1715, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3482, independent: 3455, independent conditional: 0, independent unconditional: 3455, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10251, independent: 9159, independent conditional: 5704, independent unconditional: 3455, dependent: 1092, dependent conditional: 1065, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9197, independent: 9159, independent conditional: 5704, independent unconditional: 3455, dependent: 38, dependent conditional: 11, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9197, independent: 9159, independent conditional: 5704, independent unconditional: 3455, dependent: 38, dependent conditional: 11, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9208, independent: 9159, independent conditional: 5704, independent unconditional: 3455, dependent: 49, dependent conditional: 22, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9208, independent: 9159, independent conditional: 0, independent unconditional: 9159, dependent: 49, dependent conditional: 2, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9208, independent: 9159, independent conditional: 0, independent unconditional: 9159, dependent: 49, dependent conditional: 2, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 9208, independent: 9159, independent conditional: 0, independent unconditional: 9159, dependent: 48, dependent conditional: 1, dependent unconditional: 47, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2600, Positive cache size: 2572, Positive conditional cache size: 0, Positive unconditional cache size: 2572, Negative cache size: 28, Negative conditional cache size: 1, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5724, Maximal queried relation: 1, Independence queries for same thread: 1054 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8560, independent: 7595, independent conditional: 4248, independent unconditional: 3347, dependent: 965, dependent conditional: 948, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7621, independent: 7595, independent conditional: 4248, independent unconditional: 3347, dependent: 26, dependent conditional: 9, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7621, independent: 7595, independent conditional: 4248, independent unconditional: 3347, dependent: 26, dependent conditional: 9, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7632, independent: 7595, independent conditional: 4248, independent unconditional: 3347, dependent: 37, dependent conditional: 20, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7632, independent: 7595, independent conditional: 0, independent unconditional: 7595, dependent: 37, dependent conditional: 2, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7632, independent: 7595, independent conditional: 0, independent unconditional: 7595, dependent: 37, dependent conditional: 2, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 47, dependent conditional: 47, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 7632, independent: 7595, independent conditional: 0, independent unconditional: 7595, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2600, Positive cache size: 2572, Positive conditional cache size: 0, Positive unconditional cache size: 2572, Negative cache size: 28, Negative conditional cache size: 1, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4266, Maximal queried relation: 2, Independence queries for same thread: 939, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 1464, Number of trivial persistent sets: 1346, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3364, independent: 3347, independent conditional: 0, independent unconditional: 3347, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8560, independent: 7595, independent conditional: 4248, independent unconditional: 3347, dependent: 965, dependent conditional: 948, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7621, independent: 7595, independent conditional: 4248, independent unconditional: 3347, dependent: 26, dependent conditional: 9, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7621, independent: 7595, independent conditional: 4248, independent unconditional: 3347, dependent: 26, dependent conditional: 9, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7632, independent: 7595, independent conditional: 4248, independent unconditional: 3347, dependent: 37, dependent conditional: 20, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7632, independent: 7595, independent conditional: 0, independent unconditional: 7595, dependent: 37, dependent conditional: 2, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7632, independent: 7595, independent conditional: 0, independent unconditional: 7595, dependent: 37, dependent conditional: 2, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 47, dependent conditional: 47, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 7632, independent: 7595, independent conditional: 0, independent unconditional: 7595, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2600, Positive cache size: 2572, Positive conditional cache size: 0, Positive unconditional cache size: 2572, Negative cache size: 28, Negative conditional cache size: 1, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4266, Maximal queried relation: 2, Independence queries for same thread: 939 - PositiveResult [Line: 1693]: 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: 1693]: 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: 1693]: 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: 1693]: 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: 1693]: 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: 1693]: 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 5 procedures, 107 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_ath9kThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 107 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, 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: 10, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_usbThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 107 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, 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: 13, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-23 23:53:45,608 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