./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 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/GemCutterReach.xml -i ../../../trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 02:40:15,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 02:40:15,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 02:40:15,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 02:40:15,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 02:40:15,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 02:40:15,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 02:40:15,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 02:40:15,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 02:40:15,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 02:40:15,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 02:40:15,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 02:40:15,170 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 02:40:15,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 02:40:15,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 02:40:15,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 02:40:15,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 02:40:15,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 02:40:15,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 02:40:15,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 02:40:15,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 02:40:15,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 02:40:15,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 02:40:15,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 02:40:15,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 02:40:15,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 02:40:15,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 02:40:15,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 02:40:15,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 02:40:15,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 02:40:15,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 02:40:15,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 02:40:15,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 02:40:15,180 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 02:40:15,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 02:40:15,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 02:40:15,181 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 02:40:15,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 02:40:15,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 02:40:15,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 02:40:15,183 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 02:40:15,183 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.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR [2024-10-17 02:40:15,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 02:40:15,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 02:40:15,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 02:40:15,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 02:40:15,475 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 02:40:15,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i [2024-10-17 02:40:16,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 02:40:17,249 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 02:40:17,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i [2024-10-17 02:40:17,292 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6aa1dbe7a/089142de68e84a889efa1e1d6097fd20/FLAGac5ad3f14 [2024-10-17 02:40:17,418 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6aa1dbe7a/089142de68e84a889efa1e1d6097fd20 [2024-10-17 02:40:17,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 02:40:17,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 02:40:17,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 02:40:17,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 02:40:17,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 02:40:17,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 02:40:17" (1/1) ... [2024-10-17 02:40:17,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbbaec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:17, skipping insertion in model container [2024-10-17 02:40:17,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 02:40:17" (1/1) ... [2024-10-17 02:40:17,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 02:40:19,308 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[193617,193630] [2024-10-17 02:40:19,312 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[193693,193706] [2024-10-17 02:40:19,365 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196266,196279] [2024-10-17 02:40:19,366 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196373,196386] [2024-10-17 02:40:19,367 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196444,196457] [2024-10-17 02:40:19,367 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196555,196568] [2024-10-17 02:40:19,368 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196668,196681] [2024-10-17 02:40:19,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 02:40:19,377 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 02:40:19,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-10-17 02:40:19,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-10-17 02:40:19,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-10-17 02:40:19,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-10-17 02:40:19,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-10-17 02:40:19,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-10-17 02:40:19,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-10-17 02:40:19,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-10-17 02:40:19,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-10-17 02:40:19,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-10-17 02:40:19,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-10-17 02:40:19,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-10-17 02:40:19,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-10-17 02:40:19,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-10-17 02:40:19,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-10-17 02:40:19,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-10-17 02:40:19,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-10-17 02:40:19,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-10-17 02:40:19,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-10-17 02:40:19,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-10-17 02:40:19,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-10-17 02:40:19,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-10-17 02:40:19,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-10-17 02:40:19,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-10-17 02:40:19,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-10-17 02:40:19,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-10-17 02:40:19,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-10-17 02:40:19,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-10-17 02:40:19,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-10-17 02:40:19,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-10-17 02:40:19,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-10-17 02:40:19,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-10-17 02:40:19,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-10-17 02:40:19,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-10-17 02:40:19,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-10-17 02:40:19,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-10-17 02:40:19,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-10-17 02:40:19,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-10-17 02:40:19,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-10-17 02:40:19,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-10-17 02:40:19,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-10-17 02:40:19,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-10-17 02:40:19,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-10-17 02:40:19,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-10-17 02:40:19,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-10-17 02:40:19,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-10-17 02:40:19,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-10-17 02:40:19,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-10-17 02:40:19,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-10-17 02:40:19,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-10-17 02:40:19,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-10-17 02:40:19,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-10-17 02:40:19,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-10-17 02:40:19,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-10-17 02:40:19,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-10-17 02:40:19,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-10-17 02:40:19,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-10-17 02:40:19,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-10-17 02:40:19,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-10-17 02:40:19,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-10-17 02:40:19,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-10-17 02:40:19,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-10-17 02:40:19,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-10-17 02:40:19,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-10-17 02:40:19,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-10-17 02:40:19,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-10-17 02:40:19,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-10-17 02:40:19,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-10-17 02:40:19,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-10-17 02:40:19,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-10-17 02:40:19,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-10-17 02:40:19,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-10-17 02:40:19,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-10-17 02:40:19,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-10-17 02:40:19,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-10-17 02:40:19,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-10-17 02:40:19,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-10-17 02:40:19,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-10-17 02:40:19,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-10-17 02:40:19,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-10-17 02:40:19,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-10-17 02:40:19,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-10-17 02:40:19,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-10-17 02:40:19,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-10-17 02:40:19,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-10-17 02:40:19,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-10-17 02:40:19,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-10-17 02:40:19,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-10-17 02:40:19,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-10-17 02:40:19,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-10-17 02:40:19,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-10-17 02:40:19,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-10-17 02:40:19,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-10-17 02:40:19,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-10-17 02:40:19,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-10-17 02:40:19,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-10-17 02:40:19,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-10-17 02:40:19,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-10-17 02:40:19,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-10-17 02:40:19,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-10-17 02:40:19,667 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[193617,193630] [2024-10-17 02:40:19,668 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[193693,193706] [2024-10-17 02:40:19,676 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196266,196279] [2024-10-17 02:40:19,677 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196373,196386] [2024-10-17 02:40:19,678 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196444,196457] [2024-10-17 02:40:19,678 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196555,196568] [2024-10-17 02:40:19,679 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196668,196681] [2024-10-17 02:40:19,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 02:40:19,999 INFO L204 MainTranslator]: Completed translation [2024-10-17 02:40:19,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19 WrapperNode [2024-10-17 02:40:19,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 02:40:20,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 02:40:20,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 02:40:20,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 02:40:20,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,188 INFO L138 Inliner]: procedures = 914, calls = 938, calls flagged for inlining = 815, calls inlined = 57, statements flattened = 621 [2024-10-17 02:40:20,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 02:40:20,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 02:40:20,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 02:40:20,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 02:40:20,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 02:40:20,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 02:40:20,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 02:40:20,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 02:40:20,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (1/1) ... [2024-10-17 02:40:20,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 02:40:20,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:40:20,307 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) [2024-10-17 02:40:20,310 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 [2024-10-17 02:40:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 02:40:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 02:40:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-17 02:40:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 02:40:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 02:40:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-17 02:40:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-17 02:40:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 02:40:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-17 02:40:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-17 02:40:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-17 02:40:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-17 02:40:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 02:40:20,367 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 02:40:20,556 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 02:40:20,558 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 02:40:21,362 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 02:40:21,362 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 02:40:21,826 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 02:40:21,826 INFO L314 CfgBuilder]: Removed 45 assume(true) statements. [2024-10-17 02:40:21,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 02:40:21 BoogieIcfgContainer [2024-10-17 02:40:21,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 02:40:21,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 02:40:21,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 02:40:21,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 02:40:21,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 02:40:17" (1/3) ... [2024-10-17 02:40:21,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551e5212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 02:40:21, skipping insertion in model container [2024-10-17 02:40:21,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:19" (2/3) ... [2024-10-17 02:40:21,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551e5212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 02:40:21, skipping insertion in model container [2024-10-17 02:40:21,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 02:40:21" (3/3) ... [2024-10-17 02:40:21,835 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-10-17 02:40:21,854 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 02:40:21,855 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-10-17 02:40:21,855 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 02:40:21,932 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-17 02:40:21,984 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 02:40:21,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 02:40:21,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:40:21,986 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) [2024-10-17 02:40:21,988 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 [2024-10-17 02:40:22,136 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 02:40:22,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:40:22,158 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writerThread1of1ForFork0 ======== [2024-10-17 02:40:22,167 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57dc37df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 02:40:22,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 02:40:25,187 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONUNKNOWN === [writerErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-17 02:40:25,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:40:25,190 INFO L85 PathProgramCache]: Analyzing trace with hash 73932891, now seen corresponding path program 1 times [2024-10-17 02:40:25,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:40:25,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574564467] [2024-10-17 02:40:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:40:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:40:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 02:40:25,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 02:40:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 02:40:25,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-17 02:40:25,753 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 02:40:25,755 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location writerErr0ASSERT_VIOLATIONUNKNOWN (0 of 1 remaining) [2024-10-17 02:40:25,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 02:40:25,767 INFO L414 BasicCegarLoop]: Path program histogram: [1] [2024-10-17 02:40:25,770 INFO L312 ceAbstractionStarter]: Result for error location writerThread1of1ForFork0 was UNSAFE (1/2) [2024-10-17 02:40:25,840 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 02:40:25,841 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 02:40:25,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 02:40:25 BasicIcfg [2024-10-17 02:40:25,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 02:40:25,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 02:40:25,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 02:40:25,849 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 02:40:25,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 02:40:21" (3/4) ... [2024-10-17 02:40:25,852 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-17 02:40:25,857 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 02:40:25,858 INFO L158 Benchmark]: Toolchain (without parser) took 8436.60ms. Allocated memory was 165.7MB in the beginning and 318.8MB in the end (delta: 153.1MB). Free memory was 125.8MB in the beginning and 146.7MB in the end (delta: -20.9MB). Peak memory consumption was 131.6MB. Max. memory is 16.1GB. [2024-10-17 02:40:25,858 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 02:40:25,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2577.12ms. Allocated memory was 165.7MB in the beginning and 237.0MB in the end (delta: 71.3MB). Free memory was 125.8MB in the beginning and 173.6MB in the end (delta: -47.8MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. [2024-10-17 02:40:25,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.25ms. Allocated memory is still 237.0MB. Free memory was 173.6MB in the beginning and 164.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-17 02:40:25,859 INFO L158 Benchmark]: Boogie Preprocessor took 58.16ms. Allocated memory is still 237.0MB. Free memory was 164.2MB in the beginning and 160.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 02:40:25,860 INFO L158 Benchmark]: RCFGBuilder took 1579.12ms. Allocated memory is still 237.0MB. Free memory was 160.0MB in the beginning and 167.9MB in the end (delta: -7.9MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2024-10-17 02:40:25,860 INFO L158 Benchmark]: TraceAbstraction took 4015.91ms. Allocated memory was 237.0MB in the beginning and 318.8MB in the end (delta: 81.8MB). Free memory was 165.9MB in the beginning and 147.8MB in the end (delta: 18.1MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. [2024-10-17 02:40:25,862 INFO L158 Benchmark]: Witness Printer took 8.29ms. Allocated memory is still 318.8MB. Free memory was 147.8MB in the beginning and 146.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 02:40:25,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2577.12ms. Allocated memory was 165.7MB in the beginning and 237.0MB in the end (delta: 71.3MB). Free memory was 125.8MB in the beginning and 173.6MB in the end (delta: -47.8MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.25ms. Allocated memory is still 237.0MB. Free memory was 173.6MB in the beginning and 164.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.16ms. Allocated memory is still 237.0MB. Free memory was 164.2MB in the beginning and 160.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1579.12ms. Allocated memory is still 237.0MB. Free memory was 160.0MB in the beginning and 167.9MB in the end (delta: -7.9MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4015.91ms. Allocated memory was 237.0MB in the beginning and 318.8MB in the end (delta: 81.8MB). Free memory was 165.9MB in the beginning and 147.8MB in the end (delta: 18.1MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. * Witness Printer took 8.29ms. Allocated memory is still 318.8MB. Free memory was 147.8MB in the beginning and 146.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4308]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] - GenericResultAtLocation [Line: 4310]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] - GenericResultAtLocation [Line: 4315]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] - GenericResultAtLocation [Line: 4317]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] - GenericResultAtLocation [Line: 4323]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] - GenericResultAtLocation [Line: 4325]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] - GenericResultAtLocation [Line: 4331]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] - GenericResultAtLocation [Line: 4333]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] - GenericResultAtLocation [Line: 4339]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] - GenericResultAtLocation [Line: 4341]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] - GenericResultAtLocation [Line: 4347]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] - GenericResultAtLocation [Line: 4349]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] - GenericResultAtLocation [Line: 4355]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] - GenericResultAtLocation [Line: 4357]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] - GenericResultAtLocation [Line: 4363]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] - GenericResultAtLocation [Line: 4365]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] - GenericResultAtLocation [Line: 4370]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] - GenericResultAtLocation [Line: 4372]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] - GenericResultAtLocation [Line: 4377]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] - GenericResultAtLocation [Line: 4379]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] - GenericResultAtLocation [Line: 4384]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] - GenericResultAtLocation [Line: 4386]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] - GenericResultAtLocation [Line: 4391]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] - GenericResultAtLocation [Line: 4393]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] - GenericResultAtLocation [Line: 4398]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] - GenericResultAtLocation [Line: 4400]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] - GenericResultAtLocation [Line: 4405]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] - GenericResultAtLocation [Line: 4408]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] - GenericResultAtLocation [Line: 4414]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] - GenericResultAtLocation [Line: 4417]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] - GenericResultAtLocation [Line: 4423]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] - GenericResultAtLocation [Line: 4426]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] - GenericResultAtLocation [Line: 4432]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] - GenericResultAtLocation [Line: 4435]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] - GenericResultAtLocation [Line: 4441]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] - GenericResultAtLocation [Line: 4444]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] - GenericResultAtLocation [Line: 4450]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] - GenericResultAtLocation [Line: 4453]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] - GenericResultAtLocation [Line: 4460]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] - GenericResultAtLocation [Line: 4463]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] - GenericResultAtLocation [Line: 4470]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] - GenericResultAtLocation [Line: 4473]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] - GenericResultAtLocation [Line: 4480]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] - GenericResultAtLocation [Line: 4483]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] - GenericResultAtLocation [Line: 4490]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] - GenericResultAtLocation [Line: 4493]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] - GenericResultAtLocation [Line: 4500]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] - GenericResultAtLocation [Line: 4503]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] - GenericResultAtLocation [Line: 4510]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] - GenericResultAtLocation [Line: 4513]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] - GenericResultAtLocation [Line: 4519]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] - GenericResultAtLocation [Line: 4522]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] - GenericResultAtLocation [Line: 4528]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] - GenericResultAtLocation [Line: 4531]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] - GenericResultAtLocation [Line: 4537]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] - GenericResultAtLocation [Line: 4540]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] - GenericResultAtLocation [Line: 4546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] - GenericResultAtLocation [Line: 4549]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] - GenericResultAtLocation [Line: 4555]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] - GenericResultAtLocation [Line: 4558]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] - GenericResultAtLocation [Line: 4564]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] - GenericResultAtLocation [Line: 4567]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] - GenericResultAtLocation [Line: 4573]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] - GenericResultAtLocation [Line: 4576]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] - GenericResultAtLocation [Line: 4582]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] - GenericResultAtLocation [Line: 4585]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] - GenericResultAtLocation [Line: 4591]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] - GenericResultAtLocation [Line: 4594]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] - GenericResultAtLocation [Line: 4600]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] - GenericResultAtLocation [Line: 4603]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] - GenericResultAtLocation [Line: 4609]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] - GenericResultAtLocation [Line: 4612]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] - GenericResultAtLocation [Line: 4618]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] - GenericResultAtLocation [Line: 4621]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] - GenericResultAtLocation [Line: 4627]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] - GenericResultAtLocation [Line: 4630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] - GenericResultAtLocation [Line: 4636]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] - GenericResultAtLocation [Line: 4639]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] - GenericResultAtLocation [Line: 4645]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] - GenericResultAtLocation [Line: 4648]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] - GenericResultAtLocation [Line: 4654]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] - GenericResultAtLocation [Line: 4656]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] - GenericResultAtLocation [Line: 4662]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] - GenericResultAtLocation [Line: 4664]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] - GenericResultAtLocation [Line: 4670]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] - GenericResultAtLocation [Line: 4672]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] - GenericResultAtLocation [Line: 4678]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] - GenericResultAtLocation [Line: 4680]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] - GenericResultAtLocation [Line: 4686]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] - GenericResultAtLocation [Line: 4688]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] - GenericResultAtLocation [Line: 4694]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] - GenericResultAtLocation [Line: 4696]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] - GenericResultAtLocation [Line: 4702]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] - GenericResultAtLocation [Line: 4704]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] - GenericResultAtLocation [Line: 4710]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] - GenericResultAtLocation [Line: 4712]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] - GenericResultAtLocation [Line: 4718]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] - GenericResultAtLocation [Line: 4720]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] - GenericResultAtLocation [Line: 4726]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] - GenericResultAtLocation [Line: 4728]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 466, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 26, dependent conditional: 21, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2955, independent: 714, independent conditional: 0, independent unconditional: 714, dependent: 2241, dependent conditional: 0, dependent unconditional: 2241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 452, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 428, unknown conditional: 0, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2955, independent: 714, independent conditional: 0, independent unconditional: 714, dependent: 2241, dependent conditional: 0, dependent unconditional: 2241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 452, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 428, unknown conditional: 0, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14 ], Independence queries for same thread: 20, Persistent sets #1 benchmarks: Persistent set computation time: 3.0s, Number of persistent set computation: 32, Number of trivial persistent sets: 32, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 433, independent: 428, independent conditional: 0, independent unconditional: 428, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 466, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 26, dependent conditional: 21, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2955, independent: 714, independent conditional: 0, independent unconditional: 714, dependent: 2241, dependent conditional: 0, dependent unconditional: 2241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 452, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 428, unknown conditional: 0, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2955, independent: 714, independent conditional: 0, independent unconditional: 714, dependent: 2241, dependent conditional: 0, dependent unconditional: 2241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 452, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 428, unknown conditional: 0, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14 ], Independence queries for same thread: 20 - UnprovableResult [Line: 4481]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of __atomic_compare_exchange_n at line 4481, overapproximation of large string literal at line 5942. Possible FailurePath: [L6012] 0 void *g_buf[(2 * 2)]; [L6013] 0 bounded_mpmc_t g_queue; [L6014] 0 vsize_t g_val[(2 * 2)]; [L6034] 0 bounded_ret_t ret = QUEUE_BOUNDED_OK; [L6035] CALL 0 bounded_mpmc_init(&g_queue, g_buf, (2 * 2)) [L5941] COND FALSE 0 !(!(b && "buffer is NULL")) VAL [\old(b)={5:0}, \old(q)={6:0}, \old(s)=4, b={5:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, q={6:0}, s=4] [L5942] COND FALSE 0 !(!(s != 0 && "buffer with 0 size")) VAL [\old(b)={5:0}, \old(q)={6:0}, \old(s)=4, b={5:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, q={6:0}, s=4] [L5943] 0 q->buf = b [L5944] 0 q->size = s [L5945] CALL 0 vatomic32_init(&q->chead, 0) [L5344] CALL 0 vatomic32_write(a, v) [L5344] RET 0 vatomic32_write(a, v) [L5945] RET 0 vatomic32_init(&q->chead, 0) [L5946] CALL 0 vatomic32_init(&q->ctail, 0) [L5344] CALL 0 vatomic32_write(a, v) [L5344] RET 0 vatomic32_write(a, v) [L5946] RET 0 vatomic32_init(&q->ctail, 0) [L5947] CALL 0 vatomic32_init(&q->phead, 0) [L5344] CALL 0 vatomic32_write(a, v) [L5344] RET 0 vatomic32_write(a, v) [L5947] RET 0 vatomic32_init(&q->phead, 0) [L5948] CALL 0 vatomic32_init(&q->ptail, 0) [L5344] CALL 0 vatomic32_write(a, v) [L5344] RET 0 vatomic32_write(a, v) [L5948] RET 0 vatomic32_init(&q->ptail, 0) [L6035] RET 0 bounded_mpmc_init(&g_queue, g_buf, (2 * 2)) [L6036] 0 pthread_t t[2]; [L6037] 0 vuintptr_t i = 0; VAL [g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=0, ret=0, t={9:0}] [L6037] COND TRUE 0 i < 2 [L6038] FCALL, FORK 0 pthread_create(&t[i], 0, writer, (void *)i) VAL [g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=0, ret=0, t={9:0}] [L6018] 1 vsize_t tid = (vsize_t)(vuintptr_t)arg; [L6019] 1 xbo_t xbo; [L6020] FCALL 1 xbo_init(&xbo, 0, 100U, 2U) [L6021] 1 vsize_t i = 0; VAL [\old(arg)={0:0}, arg={0:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=0, tid=0, xbo={11:0}] [L6037] 0 i++ VAL [g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=1, ret=0, t={9:0}] [L6021] COND TRUE 1 i < 2 [L6022] 1 vsize_t idx = tid * 2 + i; [L6023] 1 g_val[idx] = tid * 10U + i + 1 VAL [\old(arg)={0:0}, arg={0:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=0, idx=0, tid=0, xbo={11:0}] [L6037] COND TRUE 0 i < 2 [L6038] FCALL, FORK 0 pthread_create(&t[i], 0, writer, (void *)i) VAL [g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=1, ret=0, t={9:0}] [L6024] CALL 1 bounded_mpmc_enq(&g_queue, &g_val[idx]) [L5953] 1 vuint32_t curr, next; [L5954] CALL, EXPR 1 vatomic32_read_acq(&q->phead) [L2443] CALL, EXPR 1 vatomic32_read(a) [L4332] EXPR 1 a->_v VAL [\old(a)={6:0}, a={6:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}] [L4332] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L4334] 1 return tmp; [L2443] RET, EXPR 1 vatomic32_read(a) [L2443] 1 return vatomic32_read(a); [L5954] RET, EXPR 1 vatomic32_read_acq(&q->phead) [L5954] 1 curr = vatomic32_read_acq(&q->phead) [L5955] CALL, EXPR 1 vatomic32_read_rlx(&q->ctail) [L2438] CALL, EXPR 1 vatomic32_read(a) [L4332] EXPR 1 a->_v VAL [\old(a)={6:12}, a={6:12}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}] [L4332] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L4334] 1 return tmp; [L2438] RET, EXPR 1 vatomic32_read(a) [L2438] 1 return vatomic32_read(a); [L5955] RET, EXPR 1 vatomic32_read_rlx(&q->ctail) [L5955] EXPR 1 q->size VAL [\old(q)={6:0}, \old(v)={7:0}, curr=0, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, q={6:0}, v={7:0}] [L5955] COND FALSE 1 !(curr - vatomic32_read_rlx(&q->ctail) == q->size) [L5958] 1 next = curr + 1 [L5959] CALL 1 vatomic32_cmpxchg_rel(&q->phead, curr, next) [L2483] CALL 1 vatomic32_cmpxchg(a, e, v) [L4479] 1 vuint32_t exp = (vuint32_t)e; VAL [\old(a)={6:0}, \old(e)=0, \old(v)=1, a={6:0}, e=0, exp=0, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, v=1] [L4481-L4482] 1 __atomic_compare_exchange_n(&a->_v, &exp, (vuint32_t)v, 0, 5, 5) VAL [\old(a)={6:0}, \old(e)=0, \old(v)=1, a={6:0}, e=0, exp=0, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, v=1] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: writerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 143 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-17 02:40:25,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-17 02:40:26,111 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/GemCutterReach.xml -i ../../../trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 02:40:28,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 02:40:28,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-17 02:40:28,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 02:40:28,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 02:40:28,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 02:40:28,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 02:40:28,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 02:40:28,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 02:40:28,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 02:40:28,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 02:40:28,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 02:40:28,305 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 02:40:28,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 02:40:28,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 02:40:28,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 02:40:28,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 02:40:28,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 02:40:28,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 02:40:28,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 02:40:28,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 02:40:28,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-17 02:40:28,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 02:40:28,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-17 02:40:28,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 02:40:28,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 02:40:28,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 02:40:28,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 02:40:28,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 02:40:28,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 02:40:28,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 02:40:28,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 02:40:28,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 02:40:28,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 02:40:28,314 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 02:40:28,315 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-17 02:40:28,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 02:40:28,315 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 02:40:28,315 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-17 02:40:28,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 02:40:28,316 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-17 02:40:28,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 02:40:28,317 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 02:40:28,318 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.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR [2024-10-17 02:40:28,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 02:40:28,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 02:40:28,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 02:40:28,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 02:40:28,658 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 02:40:28,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i [2024-10-17 02:40:30,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 02:40:30,694 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 02:40:30,695 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i [2024-10-17 02:40:30,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b1fe5ce01/74fbf8ff622d4138a96fc1b765670d9e/FLAG44af2432f [2024-10-17 02:40:30,758 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b1fe5ce01/74fbf8ff622d4138a96fc1b765670d9e [2024-10-17 02:40:30,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 02:40:30,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 02:40:30,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 02:40:30,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 02:40:30,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 02:40:30,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 02:40:30" (1/1) ... [2024-10-17 02:40:30,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e23c705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:30, skipping insertion in model container [2024-10-17 02:40:30,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 02:40:30" (1/1) ... [2024-10-17 02:40:30,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 02:40:32,487 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[193617,193630] [2024-10-17 02:40:32,489 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[193693,193706] [2024-10-17 02:40:32,524 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196266,196279] [2024-10-17 02:40:32,526 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196373,196386] [2024-10-17 02:40:32,528 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196444,196457] [2024-10-17 02:40:32,528 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196555,196568] [2024-10-17 02:40:32,529 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196668,196681] [2024-10-17 02:40:32,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 02:40:32,544 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 02:40:32,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-10-17 02:40:32,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-10-17 02:40:32,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-10-17 02:40:32,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-10-17 02:40:32,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-10-17 02:40:32,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-10-17 02:40:32,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-10-17 02:40:32,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-10-17 02:40:32,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-10-17 02:40:32,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-10-17 02:40:32,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-10-17 02:40:32,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-10-17 02:40:32,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-10-17 02:40:32,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-10-17 02:40:32,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-10-17 02:40:32,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-10-17 02:40:32,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-10-17 02:40:32,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-10-17 02:40:32,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-10-17 02:40:32,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-10-17 02:40:32,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-10-17 02:40:32,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-10-17 02:40:32,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-10-17 02:40:32,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-10-17 02:40:32,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-10-17 02:40:32,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-10-17 02:40:32,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-10-17 02:40:32,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-10-17 02:40:32,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-10-17 02:40:32,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-10-17 02:40:32,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-10-17 02:40:32,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-10-17 02:40:32,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-10-17 02:40:32,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-10-17 02:40:32,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-10-17 02:40:32,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-10-17 02:40:32,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-10-17 02:40:32,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-10-17 02:40:32,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-10-17 02:40:32,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-10-17 02:40:32,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-10-17 02:40:32,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-10-17 02:40:32,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-10-17 02:40:32,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-10-17 02:40:32,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-10-17 02:40:32,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-10-17 02:40:32,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-10-17 02:40:32,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-10-17 02:40:32,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-10-17 02:40:32,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-10-17 02:40:32,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-10-17 02:40:32,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-10-17 02:40:32,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-10-17 02:40:32,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-10-17 02:40:32,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-10-17 02:40:32,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-10-17 02:40:32,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-10-17 02:40:32,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-10-17 02:40:32,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-10-17 02:40:32,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-10-17 02:40:32,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-10-17 02:40:32,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-10-17 02:40:32,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-10-17 02:40:32,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-10-17 02:40:32,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-10-17 02:40:32,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-10-17 02:40:32,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-10-17 02:40:32,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-10-17 02:40:32,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-10-17 02:40:32,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-10-17 02:40:32,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-10-17 02:40:32,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-10-17 02:40:32,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-10-17 02:40:32,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-10-17 02:40:32,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-10-17 02:40:32,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-10-17 02:40:32,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-10-17 02:40:32,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-10-17 02:40:32,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-10-17 02:40:32,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-10-17 02:40:32,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-10-17 02:40:32,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-10-17 02:40:32,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-10-17 02:40:32,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-10-17 02:40:32,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-10-17 02:40:32,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-10-17 02:40:32,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-10-17 02:40:32,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-10-17 02:40:32,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-10-17 02:40:32,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-10-17 02:40:32,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-10-17 02:40:32,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-10-17 02:40:32,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-10-17 02:40:32,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-10-17 02:40:32,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-10-17 02:40:32,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-10-17 02:40:32,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-10-17 02:40:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-10-17 02:40:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-10-17 02:40:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-10-17 02:40:32,765 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[193617,193630] [2024-10-17 02:40:32,765 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[193693,193706] [2024-10-17 02:40:32,773 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196266,196279] [2024-10-17 02:40:32,773 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196373,196386] [2024-10-17 02:40:32,774 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196444,196457] [2024-10-17 02:40:32,776 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196555,196568] [2024-10-17 02:40:32,777 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/bounded_mpmc_check_full.i[196668,196681] [2024-10-17 02:40:32,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 02:40:33,162 INFO L204 MainTranslator]: Completed translation [2024-10-17 02:40:33,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33 WrapperNode [2024-10-17 02:40:33,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 02:40:33,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 02:40:33,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 02:40:33,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 02:40:33,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,322 INFO L138 Inliner]: procedures = 922, calls = 938, calls flagged for inlining = 815, calls inlined = 57, statements flattened = 618 [2024-10-17 02:40:33,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 02:40:33,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 02:40:33,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 02:40:33,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 02:40:33,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 02:40:33,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 02:40:33,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 02:40:33,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 02:40:33,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (1/1) ... [2024-10-17 02:40:33,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 02:40:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:40:33,434 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) [2024-10-17 02:40:33,440 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 [2024-10-17 02:40:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 02:40:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-17 02:40:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 02:40:33,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 02:40:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-17 02:40:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-17 02:40:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-17 02:40:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-17 02:40:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-10-17 02:40:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-17 02:40:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-17 02:40:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-17 02:40:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-17 02:40:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-17 02:40:33,488 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 02:40:33,709 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 02:40:33,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 02:40:34,811 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 02:40:34,812 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 02:40:35,279 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 02:40:35,279 INFO L314 CfgBuilder]: Removed 45 assume(true) statements. [2024-10-17 02:40:35,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 02:40:35 BoogieIcfgContainer [2024-10-17 02:40:35,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 02:40:35,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 02:40:35,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 02:40:35,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 02:40:35,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 02:40:30" (1/3) ... [2024-10-17 02:40:35,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a32d75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 02:40:35, skipping insertion in model container [2024-10-17 02:40:35,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:40:33" (2/3) ... [2024-10-17 02:40:35,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a32d75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 02:40:35, skipping insertion in model container [2024-10-17 02:40:35,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 02:40:35" (3/3) ... [2024-10-17 02:40:35,287 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-10-17 02:40:35,303 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 02:40:35,304 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-10-17 02:40:35,304 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 02:40:35,404 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-17 02:40:35,450 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 02:40:35,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 02:40:35,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:40:35,453 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) [2024-10-17 02:40:35,455 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 [2024-10-17 02:40:35,576 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 02:40:35,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:40:35,596 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writerThread1of1ForFork0 ======== [2024-10-17 02:40:35,602 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12e5cc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 02:40:35,604 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 02:40:39,030 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONUNKNOWN === [writerErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-17 02:40:39,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:40:39,034 INFO L85 PathProgramCache]: Analyzing trace with hash -850044866, now seen corresponding path program 1 times [2024-10-17 02:40:39,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 02:40:39,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752243973] [2024-10-17 02:40:39,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:40:39,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-17 02:40:39,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 02:40:39,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-17 02:40:39,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-17 02:40:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 02:40:39,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 02:40:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 02:40:39,789 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-17 02:40:39,790 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 02:40:39,791 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location writerErr0ASSERT_VIOLATIONUNKNOWN (0 of 1 remaining) [2024-10-17 02:40:39,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-17 02:40:39,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-17 02:40:40,000 INFO L414 BasicCegarLoop]: Path program histogram: [1] [2024-10-17 02:40:40,002 INFO L312 ceAbstractionStarter]: Result for error location writerThread1of1ForFork0 was UNSAFE (1/2) [2024-10-17 02:40:40,077 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 02:40:40,077 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 02:40:40,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 02:40:40 BasicIcfg [2024-10-17 02:40:40,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 02:40:40,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 02:40:40,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 02:40:40,080 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 02:40:40,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 02:40:35" (3/4) ... [2024-10-17 02:40:40,082 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-17 02:40:40,083 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 02:40:40,084 INFO L158 Benchmark]: Toolchain (without parser) took 9322.75ms. Allocated memory was 69.2MB in the beginning and 247.5MB in the end (delta: 178.3MB). Free memory was 44.8MB in the beginning and 142.5MB in the end (delta: -97.7MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-10-17 02:40:40,085 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 46.1MB. Free memory was 26.7MB in the beginning and 26.6MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 02:40:40,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2398.94ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 44.5MB in the beginning and 83.3MB in the end (delta: -38.8MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2024-10-17 02:40:40,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.77ms. Allocated memory is still 134.2MB. Free memory was 83.3MB in the beginning and 73.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-17 02:40:40,086 INFO L158 Benchmark]: Boogie Preprocessor took 65.23ms. Allocated memory is still 134.2MB. Free memory was 73.9MB in the beginning and 68.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 02:40:40,087 INFO L158 Benchmark]: RCFGBuilder took 1885.53ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 68.6MB in the beginning and 57.9MB in the end (delta: 10.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-10-17 02:40:40,087 INFO L158 Benchmark]: TraceAbstraction took 4797.70ms. Allocated memory was 163.6MB in the beginning and 247.5MB in the end (delta: 83.9MB). Free memory was 56.8MB in the beginning and 143.5MB in the end (delta: -86.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 02:40:40,087 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 247.5MB. Free memory was 143.5MB in the beginning and 142.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 02:40:40,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 46.1MB. Free memory was 26.7MB in the beginning and 26.6MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2398.94ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 44.5MB in the beginning and 83.3MB in the end (delta: -38.8MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.77ms. Allocated memory is still 134.2MB. Free memory was 83.3MB in the beginning and 73.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.23ms. Allocated memory is still 134.2MB. Free memory was 73.9MB in the beginning and 68.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1885.53ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 68.6MB in the beginning and 57.9MB in the end (delta: 10.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4797.70ms. Allocated memory was 163.6MB in the beginning and 247.5MB in the end (delta: 83.9MB). Free memory was 56.8MB in the beginning and 143.5MB in the end (delta: -86.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 247.5MB. Free memory was 143.5MB in the beginning and 142.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4308]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] - GenericResultAtLocation [Line: 4310]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] - GenericResultAtLocation [Line: 4315]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] - GenericResultAtLocation [Line: 4317]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] - GenericResultAtLocation [Line: 4323]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] - GenericResultAtLocation [Line: 4325]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] - GenericResultAtLocation [Line: 4331]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] - GenericResultAtLocation [Line: 4333]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] - GenericResultAtLocation [Line: 4339]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] - GenericResultAtLocation [Line: 4341]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] - GenericResultAtLocation [Line: 4347]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] - GenericResultAtLocation [Line: 4349]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] - GenericResultAtLocation [Line: 4355]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] - GenericResultAtLocation [Line: 4357]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] - GenericResultAtLocation [Line: 4363]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] - GenericResultAtLocation [Line: 4365]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] - GenericResultAtLocation [Line: 4370]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] - GenericResultAtLocation [Line: 4372]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] - GenericResultAtLocation [Line: 4377]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] - GenericResultAtLocation [Line: 4379]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] - GenericResultAtLocation [Line: 4384]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] - GenericResultAtLocation [Line: 4386]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] - GenericResultAtLocation [Line: 4391]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] - GenericResultAtLocation [Line: 4393]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] - GenericResultAtLocation [Line: 4398]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] - GenericResultAtLocation [Line: 4400]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] - GenericResultAtLocation [Line: 4405]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] - GenericResultAtLocation [Line: 4408]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] - GenericResultAtLocation [Line: 4414]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] - GenericResultAtLocation [Line: 4417]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] - GenericResultAtLocation [Line: 4423]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] - GenericResultAtLocation [Line: 4426]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] - GenericResultAtLocation [Line: 4432]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] - GenericResultAtLocation [Line: 4435]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] - GenericResultAtLocation [Line: 4441]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] - GenericResultAtLocation [Line: 4444]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] - GenericResultAtLocation [Line: 4450]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] - GenericResultAtLocation [Line: 4453]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] - GenericResultAtLocation [Line: 4460]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] - GenericResultAtLocation [Line: 4463]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] - GenericResultAtLocation [Line: 4470]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] - GenericResultAtLocation [Line: 4473]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] - GenericResultAtLocation [Line: 4480]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] - GenericResultAtLocation [Line: 4483]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] - GenericResultAtLocation [Line: 4490]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] - GenericResultAtLocation [Line: 4493]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] - GenericResultAtLocation [Line: 4500]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] - GenericResultAtLocation [Line: 4503]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] - GenericResultAtLocation [Line: 4510]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] - GenericResultAtLocation [Line: 4513]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] - GenericResultAtLocation [Line: 4519]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] - GenericResultAtLocation [Line: 4522]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] - GenericResultAtLocation [Line: 4528]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] - GenericResultAtLocation [Line: 4531]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] - GenericResultAtLocation [Line: 4537]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] - GenericResultAtLocation [Line: 4540]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] - GenericResultAtLocation [Line: 4546]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] - GenericResultAtLocation [Line: 4549]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] - GenericResultAtLocation [Line: 4555]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] - GenericResultAtLocation [Line: 4558]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] - GenericResultAtLocation [Line: 4564]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] - GenericResultAtLocation [Line: 4567]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] - GenericResultAtLocation [Line: 4573]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] - GenericResultAtLocation [Line: 4576]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] - GenericResultAtLocation [Line: 4582]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] - GenericResultAtLocation [Line: 4585]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] - GenericResultAtLocation [Line: 4591]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] - GenericResultAtLocation [Line: 4594]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] - GenericResultAtLocation [Line: 4600]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] - GenericResultAtLocation [Line: 4603]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] - GenericResultAtLocation [Line: 4609]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] - GenericResultAtLocation [Line: 4612]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] - GenericResultAtLocation [Line: 4618]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] - GenericResultAtLocation [Line: 4621]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] - GenericResultAtLocation [Line: 4627]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] - GenericResultAtLocation [Line: 4630]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] - GenericResultAtLocation [Line: 4636]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] - GenericResultAtLocation [Line: 4639]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] - GenericResultAtLocation [Line: 4645]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] - GenericResultAtLocation [Line: 4648]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] - GenericResultAtLocation [Line: 4654]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] - GenericResultAtLocation [Line: 4656]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] - GenericResultAtLocation [Line: 4662]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] - GenericResultAtLocation [Line: 4664]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] - GenericResultAtLocation [Line: 4670]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] - GenericResultAtLocation [Line: 4672]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] - GenericResultAtLocation [Line: 4678]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] - GenericResultAtLocation [Line: 4680]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] - GenericResultAtLocation [Line: 4686]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] - GenericResultAtLocation [Line: 4688]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] - GenericResultAtLocation [Line: 4694]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] - GenericResultAtLocation [Line: 4696]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] - GenericResultAtLocation [Line: 4702]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] - GenericResultAtLocation [Line: 4704]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] - GenericResultAtLocation [Line: 4710]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] - GenericResultAtLocation [Line: 4712]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] - GenericResultAtLocation [Line: 4718]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] - GenericResultAtLocation [Line: 4720]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] - GenericResultAtLocation [Line: 4726]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] - GenericResultAtLocation [Line: 4728]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 466, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 26, dependent conditional: 21, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3362, independent: 890, independent conditional: 0, independent unconditional: 890, dependent: 2472, dependent conditional: 0, dependent unconditional: 2472, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 452, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 428, unknown conditional: 0, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3362, independent: 890, independent conditional: 0, independent unconditional: 890, dependent: 2472, dependent conditional: 0, dependent unconditional: 2472, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 452, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 428, unknown conditional: 0, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14 ], Independence queries for same thread: 20, Persistent sets #1 benchmarks: Persistent set computation time: 3.4s, Number of persistent set computation: 32, Number of trivial persistent sets: 32, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 433, independent: 428, independent conditional: 0, independent unconditional: 428, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 466, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 26, dependent conditional: 21, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 446, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3362, independent: 890, independent conditional: 0, independent unconditional: 890, dependent: 2472, dependent conditional: 0, dependent unconditional: 2472, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 452, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 428, unknown conditional: 0, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 12, independent unconditional: 428, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 452, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3362, independent: 890, independent conditional: 0, independent unconditional: 890, dependent: 2472, dependent conditional: 0, dependent unconditional: 2472, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 452, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 428, unknown conditional: 0, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14 ], Independence queries for same thread: 20 - UnprovableResult [Line: 4481]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of __atomic_compare_exchange_n at line 4481, overapproximation of large string literal at line 5942. Possible FailurePath: [L6012] 0 void *g_buf[(2 * 2)]; [L6013] 0 bounded_mpmc_t g_queue; [L6014] 0 vsize_t g_val[(2 * 2)]; [L6034] 0 bounded_ret_t ret = QUEUE_BOUNDED_OK; [L6035] CALL 0 bounded_mpmc_init(&g_queue, g_buf, (2 * 2)) [L5941] COND FALSE 0 !(!(b && "buffer is NULL")) VAL [\old(b)={5:0}, \old(q)={6:0}, \old(s)=4, b={5:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, q={6:0}, s=4] [L5942] COND FALSE 0 !(!(s != 0 && "buffer with 0 size")) VAL [\old(b)={5:0}, \old(q)={6:0}, \old(s)=4, b={5:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, q={6:0}, s=4] [L5943] 0 q->buf = b [L5944] 0 q->size = s [L5945] CALL 0 vatomic32_init(&q->chead, 0) [L5344] CALL 0 vatomic32_write(a, v) [L5344] RET 0 vatomic32_write(a, v) [L5945] RET 0 vatomic32_init(&q->chead, 0) [L5946] CALL 0 vatomic32_init(&q->ctail, 0) [L5344] CALL 0 vatomic32_write(a, v) [L5344] RET 0 vatomic32_write(a, v) [L5946] RET 0 vatomic32_init(&q->ctail, 0) [L5947] CALL 0 vatomic32_init(&q->phead, 0) [L5344] CALL 0 vatomic32_write(a, v) [L5344] RET 0 vatomic32_write(a, v) [L5947] RET 0 vatomic32_init(&q->phead, 0) [L5948] CALL 0 vatomic32_init(&q->ptail, 0) [L5344] CALL 0 vatomic32_write(a, v) [L5344] RET 0 vatomic32_write(a, v) [L5948] RET 0 vatomic32_init(&q->ptail, 0) [L6035] RET 0 bounded_mpmc_init(&g_queue, g_buf, (2 * 2)) [L6036] 0 pthread_t t[2]; [L6037] 0 vuintptr_t i = 0; VAL [g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=0, ret=0, t={20:0}] [L6037] COND TRUE 0 i < 2 [L6038] FCALL, FORK 0 pthread_create(&t[i], 0, writer, (void *)i) VAL [g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=0, ret=0, t={20:0}] [L6018] 1 vsize_t tid = (vsize_t)(vuintptr_t)arg; [L6019] 1 xbo_t xbo; [L6020] FCALL 1 xbo_init(&xbo, 0, 100U, 2U) [L6021] 1 vsize_t i = 0; VAL [\old(arg)={0:0}, arg={0:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=0, tid=0, xbo={28:0}] [L6037] 0 i++ VAL [g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=1, ret=0, t={20:0}] [L6021] COND TRUE 1 i < 2 [L6022] 1 vsize_t idx = tid * 2 + i; [L6023] 1 g_val[idx] = tid * 10U + i + 1 VAL [\old(arg)={0:0}, arg={0:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=0, idx=0, tid=0, xbo={28:0}] [L6037] COND TRUE 0 i < 2 [L6038] FCALL, FORK 0 pthread_create(&t[i], 0, writer, (void *)i) VAL [g_buf={5:0}, g_queue={6:0}, g_val={7:0}, i=1, ret=0, t={20:0}] [L6024] CALL 1 bounded_mpmc_enq(&g_queue, &g_val[idx]) [L5953] 1 vuint32_t curr, next; [L5954] CALL, EXPR 1 vatomic32_read_acq(&q->phead) [L2443] CALL, EXPR 1 vatomic32_read(a) [L4332] EXPR 1 a->_v VAL [\old(a)={6:0}, a={6:0}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}] [L4332] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L4334] 1 return tmp; [L2443] RET, EXPR 1 vatomic32_read(a) [L2443] 1 return vatomic32_read(a); [L5954] RET, EXPR 1 vatomic32_read_acq(&q->phead) [L5954] 1 curr = vatomic32_read_acq(&q->phead) [L5955] CALL, EXPR 1 vatomic32_read_rlx(&q->ctail) [L2438] CALL, EXPR 1 vatomic32_read(a) [L4332] EXPR 1 a->_v VAL [\old(a)={6:12}, a={6:12}, g_buf={5:0}, g_queue={6:0}, g_val={7:0}] [L4332] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L4334] 1 return tmp; [L2438] RET, EXPR 1 vatomic32_read(a) [L2438] 1 return vatomic32_read(a); [L5955] RET, EXPR 1 vatomic32_read_rlx(&q->ctail) [L5955] EXPR 1 q->size VAL [\old(q)={6:0}, \old(v)={7:0}, curr=0, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, q={6:0}, v={7:0}] [L5955] COND FALSE 1 !(curr - vatomic32_read_rlx(&q->ctail) == q->size) [L5958] 1 next = curr + 1 [L5959] CALL 1 vatomic32_cmpxchg_rel(&q->phead, curr, next) [L2483] CALL 1 vatomic32_cmpxchg(a, e, v) [L4479] 1 vuint32_t exp = (vuint32_t)e; VAL [\old(a)={6:0}, \old(e)=0, \old(v)=1, a={6:0}, e=0, exp=0, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, v=1] [L4481-L4482] 1 __atomic_compare_exchange_n(&a->_v, &exp, (vuint32_t)v, 0, 5, 5) VAL [\old(a)={6:0}, \old(e)=0, \old(v)=1, a={6:0}, e=0, exp=0, g_buf={5:0}, g_queue={6:0}, g_val={7:0}, v=1] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: writerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 143 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-17 02:40:40,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-17 02:40:40,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample