./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/race-4_1-thread_local_vars.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/race-4_1-thread_local_vars.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 17:32:03,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 17:32:03,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 17:32:03,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 17:32:03,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 17:32:03,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 17:32:03,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 17:32:03,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 17:32:03,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 17:32:03,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 17:32:03,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 17:32:03,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 17:32:03,335 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 17:32:03,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 17:32:03,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 17:32:03,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 17:32:03,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 17:32:03,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 17:32:03,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 17:32:03,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 17:32:03,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 17:32:03,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 17:32:03,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 17:32:03,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 17:32:03,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 17:32:03,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 17:32:03,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 17:32:03,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 17:32:03,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 17:32:03,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 17:32:03,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 17:32:03,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 17:32:03,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 17:32:03,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 17:32:03,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 17:32:03,340 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 17:32:03,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 17:32:03,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 17:32:03,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 17:32:03,341 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 17:32:03,341 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 17:32:03,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 17:32:03,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 17:32:03,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 17:32:03,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 17:32:03,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 17:32:03,574 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 17:32:03,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2024-09-22 17:32:04,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 17:32:05,088 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 17:32:05,089 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2024-09-22 17:32:05,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f3998dc47/e588ddcaabe14ee4ae3e5cae7d8ffe21/FLAG28394a106 [2024-09-22 17:32:05,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f3998dc47/e588ddcaabe14ee4ae3e5cae7d8ffe21 [2024-09-22 17:32:05,130 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 17:32:05,131 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 17:32:05,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/race-4_1-thread_local_vars.yml/witness.yml [2024-09-22 17:32:05,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 17:32:05,192 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 17:32:05,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 17:32:05,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 17:32:05,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 17:32:05,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 05:32:05" (1/2) ... [2024-09-22 17:32:05,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53858d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 05:32:05, skipping insertion in model container [2024-09-22 17:32:05,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 05:32:05" (1/2) ... [2024-09-22 17:32:05,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73cd2f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 05:32:05, skipping insertion in model container [2024-09-22 17:32:05,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:32:05" (2/2) ... [2024-09-22 17:32:05,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53858d2c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:05, skipping insertion in model container [2024-09-22 17:32:05,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:32:05" (2/2) ... [2024-09-22 17:32:05,242 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 17:32:05,243 INFO L1541 ArrayList]: Location invariant before [L1719-L1719] (! multithreaded || (ldv_usb_state == 0 || ldv_usb_state == 1)) && (! multithreaded || ((((pdev == 1 || pdev == 5) || pdev == 6) || pdev == 8) || pdev == 9)) [2024-09-22 17:32:05,243 INFO L1541 ArrayList]: Location invariant before [L1781-L1781] (! multithreaded || (ldv_usb_state == 0 || ldv_usb_state == 1)) && (! multithreaded || ((((pdev == 1 || pdev == 5) || pdev == 6) || pdev == 8) || pdev == 9)) [2024-09-22 17:32:05,244 INFO L1541 ArrayList]: ghost_variable mutex_locked = 0 [2024-09-22 17:32:05,244 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 17:32:05,244 INFO L1541 ArrayList]: ghost_update [L1780-L1780] multithreaded = 1; [2024-09-22 17:32:05,244 INFO L1541 ArrayList]: ghost_update [L1698-L1698] mutex_locked = 1; [2024-09-22 17:32:05,244 INFO L1541 ArrayList]: ghost_update [L1701-L1701] mutex_locked = 0; [2024-09-22 17:32:05,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 17:32:05,840 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2024-09-22 17:32:05,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 17:32:05,897 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-22 17:32:05,976 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 17:32:06,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 17:32:06,082 INFO L204 MainTranslator]: Completed translation [2024-09-22 17:32:06,082 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06 WrapperNode [2024-09-22 17:32:06,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 17:32:06,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 17:32:06,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 17:32:06,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 17:32:06,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,147 INFO L138 Inliner]: procedures = 487, calls = 36, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 213 [2024-09-22 17:32:06,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 17:32:06,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 17:32:06,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 17:32:06,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 17:32:06,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 17:32:06,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 17:32:06,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 17:32:06,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 17:32:06,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (1/1) ... [2024-09-22 17:32:06,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 17:32:06,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 17:32:06,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-22 17:32:06,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-22 17:32:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-09-22 17:32:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-09-22 17:32:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-22 17:32:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-09-22 17:32:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-09-22 17:32:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-22 17:32:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 17:32:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-09-22 17:32:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 17:32:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 17:32:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-22 17:32:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-22 17:32:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 17:32:06,264 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 17:32:06,585 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 17:32:06,587 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 17:32:06,809 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 17:32:06,809 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 17:32:06,942 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 17:32:06,942 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-22 17:32:06,943 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 05:32:06 BoogieIcfgContainer [2024-09-22 17:32:06,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 17:32:06,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 17:32:06,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 17:32:06,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 17:32:06,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 05:32:05" (1/4) ... [2024-09-22 17:32:06,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691723bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 05:32:06, skipping insertion in model container [2024-09-22 17:32:06,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:32:05" (2/4) ... [2024-09-22 17:32:06,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691723bd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 05:32:06, skipping insertion in model container [2024-09-22 17:32:06,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:32:06" (3/4) ... [2024-09-22 17:32:06,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691723bd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 05:32:06, skipping insertion in model container [2024-09-22 17:32:06,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 05:32:06" (4/4) ... [2024-09-22 17:32:06,954 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2024-09-22 17:32:06,968 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 17:32:06,968 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-09-22 17:32:06,968 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 17:32:07,017 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-09-22 17:32:07,059 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:32:07,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 17:32:07,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 17:32:07,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-22 17:32:07,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-22 17:32:07,088 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 17:32:07,099 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 17:32:07,105 INFO L336 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=None, 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;@768817da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:32:07,105 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-22 17:32:07,120 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-22 17:32:07,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:07,123 INFO L85 PathProgramCache]: Analyzing trace with hash 558109, now seen corresponding path program 1 times [2024-09-22 17:32:07,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:07,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123063651] [2024-09-22 17:32:07,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:07,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:07,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:07,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:07,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123063651] [2024-09-22 17:32:07,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123063651] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:07,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:07,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 17:32:07,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666533074] [2024-09-22 17:32:07,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:07,433 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:07,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:07,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:07,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:07,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:07,457 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:07,458 INFO L475 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) [2024-09-22 17:32:07,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:07,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:07,544 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 17:32:07,544 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-22 17:32:07,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:07,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1397846511, now seen corresponding path program 1 times [2024-09-22 17:32:07,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:07,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809895009] [2024-09-22 17:32:07,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:07,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:07,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809895009] [2024-09-22 17:32:07,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809895009] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:07,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:07,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 17:32:07,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315646817] [2024-09-22 17:32:07,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:07,656 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 17:32:07,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:07,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 17:32:07,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-22 17:32:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:07,658 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:07,658 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-09-22 17:32:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:08,757 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-09-22 17:32:08,757 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-09-22 17:32:08,757 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-09-22 17:32:08,758 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-09-22 17:32:08,758 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-22 17:32:08,758 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-22 17:32:08,766 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-22 17:32:08,769 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-09-22 17:32:08,773 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:32:08,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 17:32:08,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 17:32:08,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-22 17:32:08,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-22 17:32:08,781 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 17:32:08,782 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_ath9kThread1of1ForFork1 ======== [2024-09-22 17:32:08,783 INFO L336 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=None, 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;@768817da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:32:08,784 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-22 17:32:08,829 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-22 17:32:08,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1167003511, now seen corresponding path program 1 times [2024-09-22 17:32:08,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:08,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338657906] [2024-09-22 17:32:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:08,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:08,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:08,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338657906] [2024-09-22 17:32:08,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338657906] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:08,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:08,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 17:32:08,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646340670] [2024-09-22 17:32:08,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:08,992 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:08,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:08,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:08,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:08,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:08,993 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:08,993 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 17:32:08,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,039 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-22 17:32:09,039 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-22 17:32:09,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:09,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2048926243, now seen corresponding path program 1 times [2024-09-22 17:32:09,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:09,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113032406] [2024-09-22 17:32:09,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:09,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:09,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:09,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113032406] [2024-09-22 17:32:09,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113032406] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:09,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:09,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:32:09,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245216708] [2024-09-22 17:32:09,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:09,112 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 17:32:09,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:09,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 17:32:09,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-22 17:32:09,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,113 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:09,113 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-09-22 17:32:09,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,177 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-22 17:32:09,177 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-22 17:32:09,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:09,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1406809639, now seen corresponding path program 1 times [2024-09-22 17:32:09,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:09,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641777649] [2024-09-22 17:32:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:09,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:09,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:09,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641777649] [2024-09-22 17:32:09,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641777649] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:09,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:09,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 17:32:09,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705436671] [2024-09-22 17:32:09,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:09,270 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 17:32:09,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:09,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 17:32:09,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 17:32:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,271 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:09,271 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-09-22 17:32:09,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,342 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-22 17:32:09,342 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-22 17:32:09,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:09,343 INFO L85 PathProgramCache]: Analyzing trace with hash 794642607, now seen corresponding path program 1 times [2024-09-22 17:32:09,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:09,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798555773] [2024-09-22 17:32:09,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:09,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:09,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:09,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798555773] [2024-09-22 17:32:09,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798555773] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:09,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:09,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:32:09,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612592966] [2024-09-22 17:32:09,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:09,410 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:09,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:09,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:09,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:09,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,410 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:09,411 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 17:32:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,488 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-22 17:32:09,488 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-22 17:32:09,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:09,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1275066394, now seen corresponding path program 1 times [2024-09-22 17:32:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:09,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783581453] [2024-09-22 17:32:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:09,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:09,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:09,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783581453] [2024-09-22 17:32:09,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783581453] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:09,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:09,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 17:32:09,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418266783] [2024-09-22 17:32:09,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:09,596 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 17:32:09,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:09,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 17:32:09,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 17:32:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,597 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:09,598 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-09-22 17:32:09,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,755 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-22 17:32:09,755 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-22 17:32:09,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:09,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1415190545, now seen corresponding path program 1 times [2024-09-22 17:32:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:09,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778567895] [2024-09-22 17:32:09,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:09,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 17:32:09,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:09,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778567895] [2024-09-22 17:32:09,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778567895] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:09,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:09,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:32:09,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161872] [2024-09-22 17:32:09,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:09,837 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:09,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:09,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:09,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:09,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,839 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:09,839 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-09-22 17:32:09,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:32:09,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:09,904 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-22 17:32:09,904 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-22 17:32:09,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:09,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1679653651, now seen corresponding path program 1 times [2024-09-22 17:32:09,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:09,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277078505] [2024-09-22 17:32:09,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:09,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-22 17:32:10,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:10,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277078505] [2024-09-22 17:32:10,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277078505] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:10,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:10,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:32:10,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248457743] [2024-09-22 17:32:10,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:10,028 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:10,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:10,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:10,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:10,028 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:10,028 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-09-22 17:32:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:32:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:32:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,118 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-22 17:32:10,119 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-22 17:32:10,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:10,119 INFO L85 PathProgramCache]: Analyzing trace with hash -637135209, now seen corresponding path program 1 times [2024-09-22 17:32:10,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:10,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508283916] [2024-09-22 17:32:10,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:10,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-09-22 17:32:10,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:10,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508283916] [2024-09-22 17:32:10,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508283916] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:10,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:10,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:32:10,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620366446] [2024-09-22 17:32:10,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:10,218 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:10,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:10,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:10,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:10,218 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:10,219 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-09-22 17:32:10,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:10,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:10,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:32:10,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:10,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:32:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,761 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-22 17:32:10,761 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-22 17:32:10,762 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-22 17:32:10,763 INFO L312 ceAbstractionStarter]: Result for error location thread_ath9kThread1of1ForFork1 was SAFE (2/3) [2024-09-22 17:32:10,765 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:32:10,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 17:32:10,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 17:32:10,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-22 17:32:10,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-09-22 17:32:10,770 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 17:32:10,770 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_usbThread1of1ForFork0 ======== [2024-09-22 17:32:10,770 INFO L336 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=None, 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;@768817da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:32:10,770 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-22 17:32:10,806 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:32:10,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:10,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1120625340, now seen corresponding path program 1 times [2024-09-22 17:32:10,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:10,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953900715] [2024-09-22 17:32:10,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:10,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:10,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:10,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953900715] [2024-09-22 17:32:10,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953900715] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:10,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:10,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 17:32:10,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86234690] [2024-09-22 17:32:10,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:10,887 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:10,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:10,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:10,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:10,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:10,888 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:10,888 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 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) [2024-09-22 17:32:10,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,917 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-22 17:32:10,917 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:32:10,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:10,918 INFO L85 PathProgramCache]: Analyzing trace with hash 674633954, now seen corresponding path program 1 times [2024-09-22 17:32:10,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:10,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474911732] [2024-09-22 17:32:10,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:10,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:10,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:10,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474911732] [2024-09-22 17:32:10,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474911732] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:10,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:10,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:32:10,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663661906] [2024-09-22 17:32:10,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:10,969 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 17:32:10,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:10,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 17:32:10,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-22 17:32:10,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:10,970 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:10,970 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) 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) [2024-09-22 17:32:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,002 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-22 17:32:11,002 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:32:11,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:11,002 INFO L85 PathProgramCache]: Analyzing trace with hash -147184525, now seen corresponding path program 1 times [2024-09-22 17:32:11,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:11,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070767434] [2024-09-22 17:32:11,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:11,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:11,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:11,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070767434] [2024-09-22 17:32:11,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070767434] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:11,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:11,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 17:32:11,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998998959] [2024-09-22 17:32:11,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:11,074 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 17:32:11,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:11,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 17:32:11,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 17:32:11,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:11,075 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:11,075 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-09-22 17:32:11,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:11,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,122 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-22 17:32:11,122 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:32:11,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:11,123 INFO L85 PathProgramCache]: Analyzing trace with hash 587042653, now seen corresponding path program 1 times [2024-09-22 17:32:11,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:11,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575632804] [2024-09-22 17:32:11,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:11,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:11,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:11,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575632804] [2024-09-22 17:32:11,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575632804] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:11,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:11,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:32:11,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472943373] [2024-09-22 17:32:11,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:11,187 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:11,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:11,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:11,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:11,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:11,188 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:11,188 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-09-22 17:32:11,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,396 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-22 17:32:11,396 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:32:11,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:11,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1696126484, now seen corresponding path program 1 times [2024-09-22 17:32:11,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:11,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666507966] [2024-09-22 17:32:11,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:11,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:32:11,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:11,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666507966] [2024-09-22 17:32:11,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666507966] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:11,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:11,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:32:11,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056774461] [2024-09-22 17:32:11,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:11,447 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:11,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:11,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:11,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:11,448 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:11,448 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-09-22 17:32:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,547 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-22 17:32:11,548 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:32:11,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:32:11,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2019807654, now seen corresponding path program 1 times [2024-09-22 17:32:11,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:32:11,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181968926] [2024-09-22 17:32:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:32:11,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:32:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:32:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-22 17:32:11,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:32:11,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181968926] [2024-09-22 17:32:11,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181968926] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:32:11,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:32:11,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 17:32:11,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781859758] [2024-09-22 17:32:11,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:32:11,613 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:32:11,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:32:11,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:32:11,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:32:11,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:11,614 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:32:11,614 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-09-22 17:32:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:11,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:32:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:32:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:32:12,099 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-09-22 17:32:12,099 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-22 17:32:12,099 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-09-22 17:32:12,099 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-22 17:32:12,099 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-22 17:32:12,100 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-09-22 17:32:12,100 INFO L312 ceAbstractionStarter]: Result for error location thread_usbThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (3/3) [2024-09-22 17:32:12,101 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-22 17:32:12,101 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-22 17:32:12,103 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-22 17:32:12,103 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-22 17:32:12,104 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 05:32:12 BasicIcfg [2024-09-22 17:32:12,104 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-22 17:32:12,104 INFO L158 Benchmark]: Toolchain (without parser) took 6912.40ms. Allocated memory was 180.4MB in the beginning and 348.1MB in the end (delta: 167.8MB). Free memory was 110.4MB in the beginning and 151.3MB in the end (delta: -40.9MB). Peak memory consumption was 173.0MB. Max. memory is 16.1GB. [2024-09-22 17:32:12,105 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:32:12,105 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:32:12,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.20ms. Allocated memory is still 180.4MB. Free memory was 110.0MB in the beginning and 97.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-22 17:32:12,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.45ms. Allocated memory is still 180.4MB. Free memory was 97.0MB in the beginning and 92.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-22 17:32:12,105 INFO L158 Benchmark]: Boogie Preprocessor took 46.67ms. Allocated memory is still 180.4MB. Free memory was 92.9MB in the beginning and 90.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 17:32:12,105 INFO L158 Benchmark]: RCFGBuilder took 744.75ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 90.1MB in the beginning and 148.6MB in the end (delta: -58.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-22 17:32:12,105 INFO L158 Benchmark]: TraceAbstraction took 5159.76ms. Allocated memory was 218.1MB in the beginning and 348.1MB in the end (delta: 130.0MB). Free memory was 148.6MB in the beginning and 151.3MB in the end (delta: -2.7MB). Peak memory consumption was 172.4MB. Max. memory is 16.1GB. [2024-09-22 17:32:12,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.20ms. Allocated memory is still 180.4MB. Free memory was 110.0MB in the beginning and 97.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.45ms. Allocated memory is still 180.4MB. Free memory was 97.0MB in the beginning and 92.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.67ms. Allocated memory is still 180.4MB. Free memory was 92.9MB in the beginning and 90.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.75ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 90.1MB in the beginning and 148.6MB in the end (delta: -58.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5159.76ms. Allocated memory was 218.1MB in the beginning and 348.1MB in the end (delta: 130.0MB). Free memory was 148.6MB in the beginning and 151.3MB in the end (delta: -2.7MB). Peak memory consumption was 172.4MB. 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: 28722, independent: 25646, independent conditional: 21078, independent unconditional: 4568, dependent: 3076, dependent conditional: 3037, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25794, independent: 25646, independent conditional: 21078, independent unconditional: 4568, dependent: 148, dependent conditional: 109, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25794, independent: 25646, independent conditional: 21078, independent unconditional: 4568, dependent: 148, dependent conditional: 109, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25951, independent: 25646, independent conditional: 21078, independent unconditional: 4568, dependent: 305, dependent conditional: 266, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25951, independent: 25646, independent conditional: 48, independent unconditional: 25598, dependent: 305, dependent conditional: 2, dependent unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25951, independent: 25646, independent conditional: 48, independent unconditional: 25598, dependent: 305, dependent conditional: 2, dependent unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3140, independent: 3100, independent conditional: 5, independent unconditional: 3095, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3140, independent: 3074, independent conditional: 0, independent unconditional: 3074, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 26, independent conditional: 5, independent unconditional: 21, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 26, independent conditional: 5, independent unconditional: 21, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 84, independent conditional: 10, independent unconditional: 74, dependent: 108, dependent conditional: 3, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25951, independent: 22546, independent conditional: 43, independent unconditional: 22503, dependent: 265, dependent conditional: 1, dependent unconditional: 264, unknown: 3140, unknown conditional: 6, unknown unconditional: 3134] , Statistics on independence cache: Total cache size (in pairs): 3140, Positive cache size: 3100, Positive conditional cache size: 5, Positive unconditional cache size: 3095, Negative cache size: 40, Negative conditional cache size: 1, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21294, Maximal queried relation: 1, Independence queries for same thread: 2928, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 4463, Number of trivial persistent sets: 4043, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4607, independent: 4568, independent conditional: 0, independent unconditional: 4568, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28722, independent: 25646, independent conditional: 21078, independent unconditional: 4568, dependent: 3076, dependent conditional: 3037, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25794, independent: 25646, independent conditional: 21078, independent unconditional: 4568, dependent: 148, dependent conditional: 109, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25794, independent: 25646, independent conditional: 21078, independent unconditional: 4568, dependent: 148, dependent conditional: 109, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25951, independent: 25646, independent conditional: 21078, independent unconditional: 4568, dependent: 305, dependent conditional: 266, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25951, independent: 25646, independent conditional: 48, independent unconditional: 25598, dependent: 305, dependent conditional: 2, dependent unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25951, independent: 25646, independent conditional: 48, independent unconditional: 25598, dependent: 305, dependent conditional: 2, dependent unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3140, independent: 3100, independent conditional: 5, independent unconditional: 3095, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3140, independent: 3074, independent conditional: 0, independent unconditional: 3074, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 26, independent conditional: 5, independent unconditional: 21, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 26, independent conditional: 5, independent unconditional: 21, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 84, independent conditional: 10, independent unconditional: 74, dependent: 108, dependent conditional: 3, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25951, independent: 22546, independent conditional: 43, independent unconditional: 22503, dependent: 265, dependent conditional: 1, dependent unconditional: 264, unknown: 3140, unknown conditional: 6, unknown unconditional: 3134] , Statistics on independence cache: Total cache size (in pairs): 3140, Positive cache size: 3100, Positive conditional cache size: 5, Positive unconditional cache size: 3095, Negative cache size: 40, Negative conditional cache size: 1, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21294, Maximal queried relation: 1, Independence queries for same thread: 2928 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17334, independent: 15569, independent conditional: 11693, independent unconditional: 3876, dependent: 1765, dependent conditional: 1738, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15634, independent: 15569, independent conditional: 11693, independent unconditional: 3876, dependent: 65, dependent conditional: 38, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15634, independent: 15569, independent conditional: 11693, independent unconditional: 3876, dependent: 65, dependent conditional: 38, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15765, independent: 15569, independent conditional: 11693, independent unconditional: 3876, dependent: 196, dependent conditional: 169, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15765, independent: 15569, independent conditional: 37, independent unconditional: 15532, dependent: 196, dependent conditional: 32, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15765, independent: 15569, independent conditional: 37, independent unconditional: 15532, dependent: 196, dependent conditional: 32, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2927, independent: 2895, independent conditional: 7, independent unconditional: 2888, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2927, independent: 2870, independent conditional: 0, independent unconditional: 2870, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 25, independent conditional: 7, independent unconditional: 18, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 25, independent conditional: 7, independent unconditional: 18, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, independent: 68, independent conditional: 11, independent unconditional: 57, dependent: 68, dependent conditional: 12, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15765, independent: 12674, independent conditional: 30, independent unconditional: 12644, dependent: 164, dependent conditional: 27, dependent unconditional: 137, unknown: 2927, unknown conditional: 12, unknown unconditional: 2915] , Statistics on independence cache: Total cache size (in pairs): 2927, Positive cache size: 2895, Positive conditional cache size: 7, Positive unconditional cache size: 2888, Negative cache size: 32, Negative conditional cache size: 5, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11793, Maximal queried relation: 4, Independence queries for same thread: 1700, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 1837, Number of trivial persistent sets: 1751, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3903, independent: 3876, independent conditional: 0, independent unconditional: 3876, 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: 17334, independent: 15569, independent conditional: 11693, independent unconditional: 3876, dependent: 1765, dependent conditional: 1738, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15634, independent: 15569, independent conditional: 11693, independent unconditional: 3876, dependent: 65, dependent conditional: 38, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15634, independent: 15569, independent conditional: 11693, independent unconditional: 3876, dependent: 65, dependent conditional: 38, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15765, independent: 15569, independent conditional: 11693, independent unconditional: 3876, dependent: 196, dependent conditional: 169, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15765, independent: 15569, independent conditional: 37, independent unconditional: 15532, dependent: 196, dependent conditional: 32, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15765, independent: 15569, independent conditional: 37, independent unconditional: 15532, dependent: 196, dependent conditional: 32, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2927, independent: 2895, independent conditional: 7, independent unconditional: 2888, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2927, independent: 2870, independent conditional: 0, independent unconditional: 2870, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 25, independent conditional: 7, independent unconditional: 18, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 25, independent conditional: 7, independent unconditional: 18, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, independent: 68, independent conditional: 11, independent unconditional: 57, dependent: 68, dependent conditional: 12, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15765, independent: 12674, independent conditional: 30, independent unconditional: 12644, dependent: 164, dependent conditional: 27, dependent unconditional: 137, unknown: 2927, unknown conditional: 12, unknown unconditional: 2915] , Statistics on independence cache: Total cache size (in pairs): 2927, Positive cache size: 2895, Positive conditional cache size: 7, Positive unconditional cache size: 2888, Negative cache size: 32, Negative conditional cache size: 5, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11793, Maximal queried relation: 4, Independence queries for same thread: 1700 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19456, independent: 17468, independent conditional: 13416, independent unconditional: 4052, dependent: 1988, dependent conditional: 1959, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17554, independent: 17468, independent conditional: 13416, independent unconditional: 4052, dependent: 86, dependent conditional: 57, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17554, independent: 17468, independent conditional: 13416, independent unconditional: 4052, dependent: 86, dependent conditional: 57, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17686, independent: 17468, independent conditional: 13416, independent unconditional: 4052, dependent: 218, dependent conditional: 189, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17686, independent: 17468, independent conditional: 46, independent unconditional: 17422, dependent: 218, dependent conditional: 30, dependent unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17686, independent: 17468, independent conditional: 46, independent unconditional: 17422, dependent: 218, dependent conditional: 30, dependent unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3039, independent: 3006, independent conditional: 9, independent unconditional: 2997, dependent: 33, dependent conditional: 4, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3039, independent: 2977, independent conditional: 0, independent unconditional: 2977, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 29, independent conditional: 9, independent unconditional: 20, dependent: 33, dependent conditional: 4, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 29, independent conditional: 9, independent unconditional: 20, dependent: 33, dependent conditional: 4, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, independent: 86, independent conditional: 13, independent unconditional: 73, dependent: 65, dependent conditional: 9, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17686, independent: 14462, independent conditional: 37, independent unconditional: 14425, dependent: 185, dependent conditional: 26, dependent unconditional: 159, unknown: 3039, unknown conditional: 13, unknown unconditional: 3026] , Statistics on independence cache: Total cache size (in pairs): 3039, Positive cache size: 3006, Positive conditional cache size: 9, Positive unconditional cache size: 2997, Negative cache size: 33, Negative conditional cache size: 4, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13529, Maximal queried relation: 3, Independence queries for same thread: 1902, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 2383, Number of trivial persistent sets: 2182, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4081, independent: 4052, independent conditional: 0, independent unconditional: 4052, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19456, independent: 17468, independent conditional: 13416, independent unconditional: 4052, dependent: 1988, dependent conditional: 1959, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17554, independent: 17468, independent conditional: 13416, independent unconditional: 4052, dependent: 86, dependent conditional: 57, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17554, independent: 17468, independent conditional: 13416, independent unconditional: 4052, dependent: 86, dependent conditional: 57, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17686, independent: 17468, independent conditional: 13416, independent unconditional: 4052, dependent: 218, dependent conditional: 189, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17686, independent: 17468, independent conditional: 46, independent unconditional: 17422, dependent: 218, dependent conditional: 30, dependent unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17686, independent: 17468, independent conditional: 46, independent unconditional: 17422, dependent: 218, dependent conditional: 30, dependent unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3039, independent: 3006, independent conditional: 9, independent unconditional: 2997, dependent: 33, dependent conditional: 4, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3039, independent: 2977, independent conditional: 0, independent unconditional: 2977, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 29, independent conditional: 9, independent unconditional: 20, dependent: 33, dependent conditional: 4, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 29, independent conditional: 9, independent unconditional: 20, dependent: 33, dependent conditional: 4, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, independent: 86, independent conditional: 13, independent unconditional: 73, dependent: 65, dependent conditional: 9, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17686, independent: 14462, independent conditional: 37, independent unconditional: 14425, dependent: 185, dependent conditional: 26, dependent unconditional: 159, unknown: 3039, unknown conditional: 13, unknown unconditional: 3026] , Statistics on independence cache: Total cache size (in pairs): 3039, Positive cache size: 3006, Positive conditional cache size: 9, Positive unconditional cache size: 2997, Negative cache size: 33, Negative conditional cache size: 4, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13529, Maximal queried relation: 3, Independence queries for same thread: 1902 - 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: 1781]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds 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: 1719]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds 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, 117 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, 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: 7, 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_ath9kThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 117 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, 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: 28, 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, 0.6s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 96/96 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_usbThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 117 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, 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: 20, 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, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 18/18 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-22 17:32:12,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-09-22 17:32:12,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-09-22 17:32:12,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-22 17:32:12,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE