./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/libvsync/rwlock.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 SYMBOLIC_RELATION -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/rwlock.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 fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 --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 SYMBOLIC_RELATION -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 09:54:22,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 09:54:22,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 09:54:22,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 09:54:22,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 09:54:22,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 09:54:22,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 09:54:22,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 09:54:22,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 09:54:22,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 09:54:22,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 09:54:22,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 09:54:22,524 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 09:54:22,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 09:54:22,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 09:54:22,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 09:54:22,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 09:54:22,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 09:54:22,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 09:54:22,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 09:54:22,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 09:54:22,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 09:54:22,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 09:54:22,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 09:54:22,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 09:54:22,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 09:54:22,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 09:54:22,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 09:54:22,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 09:54:22,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 09:54:22,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:54:22,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 09:54:22,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 09:54:22,531 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 09:54:22,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 09:54:22,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 09:54:22,531 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 09:54:22,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 09:54:22,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 09:54:22,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 09:54:22,532 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 09:54:22,533 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 -> fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 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 -> SYMBOLIC_RELATION [2024-10-17 09:54:22,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 09:54:22,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 09:54:22,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 09:54:22,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 09:54:22,753 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 09:54:22,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/libvsync/rwlock.i [2024-10-17 09:54:24,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 09:54:24,320 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 09:54:24,320 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rwlock.i [2024-10-17 09:54:24,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/181ca3530/c541b29449624e7b88ce4e99972e4f4a/FLAGda1682dda [2024-10-17 09:54:24,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/181ca3530/c541b29449624e7b88ce4e99972e4f4a [2024-10-17 09:54:24,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 09:54:24,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 09:54:24,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 09:54:24,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 09:54:24,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 09:54:24,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:54:24" (1/1) ... [2024-10-17 09:54:24,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4650fe5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:24, skipping insertion in model container [2024-10-17 09:54:24,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:54:24" (1/1) ... [2024-10-17 09:54:24,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 09:54:26,083 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/rwlock.i[195762,195775] [2024-10-17 09:54:26,088 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/rwlock.i[195845,195858] [2024-10-17 09:54:26,088 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/rwlock.i[195902,195915] [2024-10-17 09:54:26,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:54:26,108 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 09:54:26,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-10-17 09:54:26,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-10-17 09:54:26,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-10-17 09:54:26,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-10-17 09:54:26,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-10-17 09:54:26,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-10-17 09:54:26,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-10-17 09:54:26,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-10-17 09:54:26,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-10-17 09:54:26,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-10-17 09:54:26,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-10-17 09:54:26,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-10-17 09:54:26,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-10-17 09:54:26,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-10-17 09:54:26,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-10-17 09:54:26,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-10-17 09:54:26,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-10-17 09:54:26,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-10-17 09:54:26,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-10-17 09:54:26,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-10-17 09:54:26,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-10-17 09:54:26,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-10-17 09:54:26,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-10-17 09:54:26,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-10-17 09:54:26,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-10-17 09:54:26,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-10-17 09:54:26,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-10-17 09:54:26,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-10-17 09:54:26,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-10-17 09:54:26,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-10-17 09:54:26,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-10-17 09:54:26,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-10-17 09:54:26,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-10-17 09:54:26,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-10-17 09:54:26,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-10-17 09:54:26,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-10-17 09:54:26,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-10-17 09:54:26,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-10-17 09:54:26,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-10-17 09:54:26,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-10-17 09:54:26,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-10-17 09:54:26,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-10-17 09:54:26,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-10-17 09:54:26,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-10-17 09:54:26,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-10-17 09:54:26,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-10-17 09:54:26,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-10-17 09:54:26,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-10-17 09:54:26,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-10-17 09:54:26,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-10-17 09:54:26,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-10-17 09:54:26,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-10-17 09:54:26,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-10-17 09:54:26,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-10-17 09:54:26,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-10-17 09:54:26,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-10-17 09:54:26,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-10-17 09:54:26,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-10-17 09:54:26,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-10-17 09:54:26,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-10-17 09:54:26,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-10-17 09:54:26,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-10-17 09:54:26,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-10-17 09:54:26,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-10-17 09:54:26,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-10-17 09:54:26,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-10-17 09:54:26,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-10-17 09:54:26,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-10-17 09:54:26,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-10-17 09:54:26,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-10-17 09:54:26,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-10-17 09:54:26,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-10-17 09:54:26,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-10-17 09:54:26,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-10-17 09:54:26,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-10-17 09:54:26,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-10-17 09:54:26,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-10-17 09:54:26,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-10-17 09:54:26,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-10-17 09:54:26,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-10-17 09:54:26,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-10-17 09:54:26,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-10-17 09:54:26,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-10-17 09:54:26,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-10-17 09:54:26,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-10-17 09:54:26,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-10-17 09:54:26,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-10-17 09:54:26,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-10-17 09:54:26,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-10-17 09:54:26,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-10-17 09:54:26,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-10-17 09:54:26,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-10-17 09:54:26,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-10-17 09:54:26,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-10-17 09:54:26,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-10-17 09:54:26,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-10-17 09:54:26,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-10-17 09:54:26,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-10-17 09:54:26,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-10-17 09:54:26,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-10-17 09:54:26,254 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/rwlock.i[195762,195775] [2024-10-17 09:54:26,255 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/rwlock.i[195845,195858] [2024-10-17 09:54:26,256 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/rwlock.i[195902,195915] [2024-10-17 09:54:26,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:54:26,534 INFO L204 MainTranslator]: Completed translation [2024-10-17 09:54:26,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26 WrapperNode [2024-10-17 09:54:26,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 09:54:26,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 09:54:26,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 09:54:26,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 09:54:26,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,649 INFO L138 Inliner]: procedures = 930, calls = 928, calls flagged for inlining = 832, calls inlined = 67, statements flattened = 681 [2024-10-17 09:54:26,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 09:54:26,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 09:54:26,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 09:54:26,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 09:54:26,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 09:54:26,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 09:54:26,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 09:54:26,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 09:54:26,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (1/1) ... [2024-10-17 09:54:26,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:54:26,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:54:26,734 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 09:54:26,735 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 09:54:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-10-17 09:54:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-10-17 09:54:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 09:54:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 09:54:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 09:54:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 09:54:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-17 09:54:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 09:54:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-17 09:54:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-17 09:54:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-17 09:54:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 09:54:26,777 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 09:54:26,924 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 09:54:26,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 09:54:27,506 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 09:54:27,506 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 09:54:27,743 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 09:54:27,743 INFO L314 CfgBuilder]: Removed 131 assume(true) statements. [2024-10-17 09:54:27,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:54:27 BoogieIcfgContainer [2024-10-17 09:54:27,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 09:54:27,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 09:54:27,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 09:54:27,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 09:54:27,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 09:54:24" (1/3) ... [2024-10-17 09:54:27,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141a8fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:54:27, skipping insertion in model container [2024-10-17 09:54:27,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:54:26" (2/3) ... [2024-10-17 09:54:27,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141a8fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:54:27, skipping insertion in model container [2024-10-17 09:54:27,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:54:27" (3/3) ... [2024-10-17 09:54:27,750 INFO L112 eAbstractionObserver]: Analyzing ICFG rwlock.i [2024-10-17 09:54:27,764 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 09:54:27,764 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-17 09:54:27,764 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 09:54:27,852 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-17 09:54:27,890 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:54:27,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:54:27,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:54:27,892 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 09:54:27,893 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 09:54:28,018 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:54:28,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:28,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork0 ======== [2024-10-17 09:54:28,039 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;@2d18ad12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 09:54:28,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-17 09:54:33,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr1ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:33,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:33,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1775026034, now seen corresponding path program 1 times [2024-10-17 09:54:33,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:33,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981285395] [2024-10-17 09:54:33,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:33,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 09:54:34,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:34,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981285395] [2024-10-17 09:54:34,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981285395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:34,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:34,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 09:54:34,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899864600] [2024-10-17 09:54:34,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:34,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-17 09:54:34,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:34,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-17 09:54:34,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-17 09:54:34,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:34,044 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:34,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:34,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:34,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 09:54:34,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:34,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:34,714 INFO L85 PathProgramCache]: Analyzing trace with hash 813614189, now seen corresponding path program 1 times [2024-10-17 09:54:34,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:34,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686626318] [2024-10-17 09:54:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:34,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-17 09:54:34,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:34,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686626318] [2024-10-17 09:54:34,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686626318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:34,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:34,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:54:34,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366121543] [2024-10-17 09:54:34,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:34,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:54:34,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:34,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:54:34,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:54:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:34,873 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:34,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:34,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:34,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:34,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-17 09:54:34,983 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:34,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:34,984 INFO L85 PathProgramCache]: Analyzing trace with hash -142567206, now seen corresponding path program 1 times [2024-10-17 09:54:34,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:34,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816424844] [2024-10-17 09:54:34,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:34,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:54:35,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:35,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816424844] [2024-10-17 09:54:35,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816424844] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:54:35,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228265862] [2024-10-17 09:54:35,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:35,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:54:35,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:54:35,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:54:35,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 09:54:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:35,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-17 09:54:35,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:54:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:54:35,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:54:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:54:35,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228265862] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:54:35,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:54:35,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-17 09:54:35,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301470956] [2024-10-17 09:54:35,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:54:35,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 09:54:35,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:35,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 09:54:35,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-17 09:54:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:35,425 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:35,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:35,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:35,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:35,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:35,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:35,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 09:54:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-17 09:54:35,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-17 09:54:35,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-17 09:54:36,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-17 09:54:36,128 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-17 09:54:36,130 INFO L312 ceAbstractionStarter]: Result for error location readerThread1of1ForFork0 was SAFE,SAFE (1/3) [2024-10-17 09:54:36,135 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:54:36,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:54:36,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:54:36,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 09:54:36,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-17 09:54:36,220 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:54:36,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:36,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 09:54:36,222 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;@2d18ad12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 09:54:36,222 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 09:54:36,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 09:54:36,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:36,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1736557884, now seen corresponding path program 1 times [2024-10-17 09:54:36,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:36,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219902826] [2024-10-17 09:54:36,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:36,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:54:36,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:36,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219902826] [2024-10-17 09:54:36,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219902826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:36,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:36,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 09:54:36,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264862189] [2024-10-17 09:54:36,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:36,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-17 09:54:36,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:36,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-17 09:54:36,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-17 09:54:36,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:36,606 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:36,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:36,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:36,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-17 09:54:36,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 09:54:36,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:36,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1005193596, now seen corresponding path program 1 times [2024-10-17 09:54:36,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:36,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357031110] [2024-10-17 09:54:36,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:36,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:54:36,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:54:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:54:36,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-17 09:54:36,774 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 09:54:36,774 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-10-17 09:54:36,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-10-17 09:54:36,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-10-17 09:54:36,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-17 09:54:36,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-17 09:54:36,778 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-17 09:54:36,779 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2024-10-17 09:54:36,779 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-17 09:54:36,779 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-17 09:54:36,872 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-17 09:54:36,877 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:54:36,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:54:36,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:54:36,879 INFO L229 MonitoredProcess]: Starting monitored process 5 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 09:54:36,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-10-17 09:54:36,968 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:54:36,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:36,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of2ForFork0 ======== [2024-10-17 09:54:36,969 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;@2d18ad12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 09:54:36,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-17 09:54:52,668 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr1ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:52,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:52,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1221621802, now seen corresponding path program 1 times [2024-10-17 09:54:52,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:52,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827448317] [2024-10-17 09:54:52,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:52,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-17 09:54:52,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:52,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827448317] [2024-10-17 09:54:52,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827448317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:52,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:52,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 09:54:52,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514445826] [2024-10-17 09:54:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:52,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-17 09:54:52,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-17 09:54:52,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-17 09:54:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:52,734 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:52,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:52,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-17 09:54:55,052 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:55,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:55,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1911756128, now seen corresponding path program 1 times [2024-10-17 09:54:55,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:55,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490478969] [2024-10-17 09:54:55,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:55,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-17 09:54:55,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:55,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490478969] [2024-10-17 09:54:55,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490478969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:55,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:55,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:54:55,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090961786] [2024-10-17 09:54:55,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:55,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:54:55,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:55,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:54:55,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,162 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:55,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:55,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-17 09:54:55,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:55,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:55,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2099869678, now seen corresponding path program 1 times [2024-10-17 09:54:55,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:55,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545779513] [2024-10-17 09:54:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-17 09:54:55,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:55,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545779513] [2024-10-17 09:54:55,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545779513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:55,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:55,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:54:55,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485906376] [2024-10-17 09:54:55,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:55,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:54:55,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:55,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:54:55,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:54:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,435 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:55,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-17 09:54:55,598 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:55,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:55,599 INFO L85 PathProgramCache]: Analyzing trace with hash -272249644, now seen corresponding path program 1 times [2024-10-17 09:54:55,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:55,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812327624] [2024-10-17 09:54:55,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 09:54:55,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:55,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812327624] [2024-10-17 09:54:55,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812327624] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:55,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:55,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:54:55,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551906431] [2024-10-17 09:54:55,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:55,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:54:55,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:55,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:54:55,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:54:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,671 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:55,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:55,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:55,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:55,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-17 09:54:55,931 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:55,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash 875167801, now seen corresponding path program 1 times [2024-10-17 09:54:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:55,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289856312] [2024-10-17 09:54:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-17 09:54:56,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:56,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289856312] [2024-10-17 09:54:56,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289856312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:56,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:56,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:54:56,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353282267] [2024-10-17 09:54:56,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:56,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:54:56,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:56,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:54:56,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:54:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,017 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:56,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:56,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-17 09:54:56,175 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:56,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:56,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1116618194, now seen corresponding path program 1 times [2024-10-17 09:54:56,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:56,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099516024] [2024-10-17 09:54:56,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 09:54:56,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:56,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099516024] [2024-10-17 09:54:56,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099516024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:56,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:56,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:54:56,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91774667] [2024-10-17 09:54:56,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:56,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:54:56,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:56,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:54:56,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:54:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,339 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:56,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:56,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-17 09:54:56,580 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:56,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:56,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2069830233, now seen corresponding path program 1 times [2024-10-17 09:54:56,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:56,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241280430] [2024-10-17 09:54:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:56,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2024-10-17 09:54:56,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:56,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241280430] [2024-10-17 09:54:56,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241280430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:56,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:54:56,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:54:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248123666] [2024-10-17 09:54:56,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:56,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:54:56,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:56,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:54:56,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:54:56,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:56,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:56,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:56,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-17 09:54:56,915 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:56,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:56,916 INFO L85 PathProgramCache]: Analyzing trace with hash -497782603, now seen corresponding path program 1 times [2024-10-17 09:54:56,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:56,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453330266] [2024-10-17 09:54:56,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:56,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 09:54:57,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:57,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453330266] [2024-10-17 09:54:57,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453330266] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:54:57,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926249319] [2024-10-17 09:54:57,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:57,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:54:57,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:54:57,150 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:54:57,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 09:54:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:57,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-10-17 09:54:57,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:54:57,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-17 09:54:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 09:54:57,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:54:57,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926249319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:54:57,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 09:54:57,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 18 [2024-10-17 09:54:57,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124375173] [2024-10-17 09:54:57,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:54:57,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-17 09:54:57,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:54:57,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-17 09:54:57,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-10-17 09:54:57,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:57,973 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:54:57,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 14 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:54:57,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:57,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:57,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:57,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:57,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:57,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:57,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:57,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:58,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:54:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:54:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 09:54:58,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-17 09:54:59,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-17 09:54:59,031 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:54:59,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:54:59,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1773646298, now seen corresponding path program 1 times [2024-10-17 09:54:59,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:54:59,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983092665] [2024-10-17 09:54:59,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:59,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:54:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-17 09:54:59,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:54:59,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983092665] [2024-10-17 09:54:59,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983092665] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:54:59,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244027007] [2024-10-17 09:54:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:54:59,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:54:59,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:54:59,211 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:54:59,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 09:54:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:54:59,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-10-17 09:54:59,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:54:59,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-17 09:55:00,017 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-17 09:55:00,018 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:55:00,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244027007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:55:00,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 09:55:00,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 18 [2024-10-17 09:55:00,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945804369] [2024-10-17 09:55:00,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:55:00,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-17 09:55:00,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:55:00,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-17 09:55:00,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-10-17 09:55:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:00,023 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:55:00,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 14 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 09:55:00,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 09:55:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 09:55:00,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-17 09:55:00,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-17 09:55:00,909 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:55:00,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:00,911 INFO L85 PathProgramCache]: Analyzing trace with hash -158787243, now seen corresponding path program 1 times [2024-10-17 09:55:00,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:55:00,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827938015] [2024-10-17 09:55:00,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:00,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:55:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:55:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-17 09:55:01,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:55:01,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827938015] [2024-10-17 09:55:01,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827938015] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:55:01,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056312179] [2024-10-17 09:55:01,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:01,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:55:01,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:55:01,007 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:55:01,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 09:55:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:55:01,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 09:55:01,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:55:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-17 09:55:01,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:55:01,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056312179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:55:01,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 09:55:01,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-17 09:55:01,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17119524] [2024-10-17 09:55:01,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:55:01,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:55:01,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:55:01,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:55:01,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-17 09:55:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:01,282 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:55:01,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:55:01,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:01,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 09:55:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 09:55:01,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 09:55:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 09:55:01,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:01,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 09:55:01,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-17 09:55:01,743 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:55:01,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:01,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1038044261, now seen corresponding path program 1 times [2024-10-17 09:55:01,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:55:01,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198840725] [2024-10-17 09:55:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:55:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:55:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-17 09:55:01,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:55:01,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198840725] [2024-10-17 09:55:01,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198840725] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:55:01,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076697356] [2024-10-17 09:55:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:01,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:55:01,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:55:01,884 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:55:01,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 09:55:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:55:02,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-17 09:55:02,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:55:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-17 09:55:02,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:55:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-17 09:55:02,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076697356] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:55:02,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:55:02,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-17 09:55:02,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450400349] [2024-10-17 09:55:02,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:55:02,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-17 09:55:02,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:55:02,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-17 09:55:02,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-17 09:55:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:02,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:55:02,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:55:02,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:02,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 09:55:02,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 09:55:02,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 09:55:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 09:55:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:55:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:55:02,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-17 09:55:02,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:55:02,852 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:55:02,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:02,853 INFO L85 PathProgramCache]: Analyzing trace with hash 808184751, now seen corresponding path program 1 times [2024-10-17 09:55:02,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:55:02,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716437506] [2024-10-17 09:55:02,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:02,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:55:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:55:02,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:55:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:55:03,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-17 09:55:03,007 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 09:55:03,007 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location readerErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-17 09:55:03,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-17 09:55:03,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-17 09:55:03,010 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-17 09:55:03,011 INFO L312 ceAbstractionStarter]: Result for error location readerThread1of2ForFork0 was UNSAFE,UNKNOWN (1/5) [2024-10-17 09:55:03,802 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2024-10-17 09:55:03,802 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 09:55:03,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 09:55:03 BasicIcfg [2024-10-17 09:55:03,808 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 09:55:03,808 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 09:55:03,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 09:55:03,808 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 09:55:03,809 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:54:27" (3/4) ... [2024-10-17 09:55:03,811 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-17 09:55:03,811 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 09:55:03,812 INFO L158 Benchmark]: Toolchain (without parser) took 39241.70ms. Allocated memory was 165.7MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 86.1MB in the beginning and 1.0GB in the end (delta: -956.9MB). Peak memory consumption was 195.5MB. Max. memory is 16.1GB. [2024-10-17 09:55:03,812 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 09:55:03,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1964.08ms. Allocated memory was 165.7MB in the beginning and 255.9MB in the end (delta: 90.2MB). Free memory was 85.8MB in the beginning and 157.8MB in the end (delta: -72.0MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2024-10-17 09:55:03,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.65ms. Allocated memory is still 255.9MB. Free memory was 157.8MB in the beginning and 148.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-17 09:55:03,812 INFO L158 Benchmark]: Boogie Preprocessor took 52.37ms. Allocated memory is still 255.9MB. Free memory was 148.4MB in the beginning and 143.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-17 09:55:03,813 INFO L158 Benchmark]: RCFGBuilder took 1041.28ms. Allocated memory is still 255.9MB. Free memory was 143.2MB in the beginning and 128.0MB in the end (delta: 15.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2024-10-17 09:55:03,813 INFO L158 Benchmark]: TraceAbstraction took 36062.34ms. Allocated memory was 255.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 127.0MB in the beginning and 1.0GB in the end (delta: -917.1MB). Peak memory consumption was 767.9MB. Max. memory is 16.1GB. [2024-10-17 09:55:03,814 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 09:55:03,814 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1964.08ms. Allocated memory was 165.7MB in the beginning and 255.9MB in the end (delta: 90.2MB). Free memory was 85.8MB in the beginning and 157.8MB in the end (delta: -72.0MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.65ms. Allocated memory is still 255.9MB. Free memory was 157.8MB in the beginning and 148.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.37ms. Allocated memory is still 255.9MB. Free memory was 148.4MB in the beginning and 143.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1041.28ms. Allocated memory is still 255.9MB. Free memory was 143.2MB in the beginning and 128.0MB in the end (delta: 15.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * TraceAbstraction took 36062.34ms. Allocated memory was 255.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 127.0MB in the beginning and 1.0GB in the end (delta: -917.1MB). Peak memory consumption was 767.9MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3755]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] - GenericResultAtLocation [Line: 3757]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] - GenericResultAtLocation [Line: 3762]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] - GenericResultAtLocation [Line: 3764]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] - GenericResultAtLocation [Line: 3770]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] - GenericResultAtLocation [Line: 3772]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] - GenericResultAtLocation [Line: 3778]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] - GenericResultAtLocation [Line: 3780]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] - GenericResultAtLocation [Line: 3786]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] - GenericResultAtLocation [Line: 3788]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] - GenericResultAtLocation [Line: 3794]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] - GenericResultAtLocation [Line: 3796]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] - GenericResultAtLocation [Line: 3802]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] - GenericResultAtLocation [Line: 3804]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] - GenericResultAtLocation [Line: 3810]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] - GenericResultAtLocation [Line: 3812]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] - GenericResultAtLocation [Line: 3817]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] - GenericResultAtLocation [Line: 3819]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] - GenericResultAtLocation [Line: 3824]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] - GenericResultAtLocation [Line: 3826]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] - GenericResultAtLocation [Line: 3831]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] - GenericResultAtLocation [Line: 3833]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] - GenericResultAtLocation [Line: 3838]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] - GenericResultAtLocation [Line: 3840]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] - GenericResultAtLocation [Line: 3845]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] - GenericResultAtLocation [Line: 3847]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] - GenericResultAtLocation [Line: 3852]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] - GenericResultAtLocation [Line: 3855]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] - GenericResultAtLocation [Line: 3861]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] - GenericResultAtLocation [Line: 3864]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] - GenericResultAtLocation [Line: 3870]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] - GenericResultAtLocation [Line: 3873]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] - GenericResultAtLocation [Line: 3879]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] - GenericResultAtLocation [Line: 3882]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] - GenericResultAtLocation [Line: 3888]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] - GenericResultAtLocation [Line: 3891]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] - GenericResultAtLocation [Line: 3897]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] - GenericResultAtLocation [Line: 3900]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] - GenericResultAtLocation [Line: 3907]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] - GenericResultAtLocation [Line: 3910]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] - GenericResultAtLocation [Line: 3917]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] - GenericResultAtLocation [Line: 3920]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] - GenericResultAtLocation [Line: 3927]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] - GenericResultAtLocation [Line: 3930]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] - GenericResultAtLocation [Line: 3937]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] - GenericResultAtLocation [Line: 3940]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] - GenericResultAtLocation [Line: 3947]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] - GenericResultAtLocation [Line: 3950]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] - GenericResultAtLocation [Line: 3957]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] - GenericResultAtLocation [Line: 3960]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] - GenericResultAtLocation [Line: 3966]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] - GenericResultAtLocation [Line: 3969]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] - GenericResultAtLocation [Line: 3975]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] - GenericResultAtLocation [Line: 3978]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] - GenericResultAtLocation [Line: 3984]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] - GenericResultAtLocation [Line: 3987]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] - GenericResultAtLocation [Line: 3993]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] - GenericResultAtLocation [Line: 3996]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] - GenericResultAtLocation [Line: 4002]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] - GenericResultAtLocation [Line: 4005]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] - GenericResultAtLocation [Line: 4011]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] - GenericResultAtLocation [Line: 4014]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] - GenericResultAtLocation [Line: 4020]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] - GenericResultAtLocation [Line: 4023]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] - GenericResultAtLocation [Line: 4029]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] - GenericResultAtLocation [Line: 4032]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] - GenericResultAtLocation [Line: 4038]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] - GenericResultAtLocation [Line: 4041]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] - GenericResultAtLocation [Line: 4047]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] - GenericResultAtLocation [Line: 4050]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] - GenericResultAtLocation [Line: 4056]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] - GenericResultAtLocation [Line: 4059]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] - GenericResultAtLocation [Line: 4065]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] - GenericResultAtLocation [Line: 4068]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] - GenericResultAtLocation [Line: 4074]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] - GenericResultAtLocation [Line: 4077]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] - GenericResultAtLocation [Line: 4083]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] - GenericResultAtLocation [Line: 4086]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] - GenericResultAtLocation [Line: 4092]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] - GenericResultAtLocation [Line: 4095]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] - GenericResultAtLocation [Line: 4101]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] - GenericResultAtLocation [Line: 4103]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] - GenericResultAtLocation [Line: 4109]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] - GenericResultAtLocation [Line: 4111]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] - GenericResultAtLocation [Line: 4117]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] - GenericResultAtLocation [Line: 4119]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] - GenericResultAtLocation [Line: 4125]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] - GenericResultAtLocation [Line: 4127]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] - GenericResultAtLocation [Line: 4133]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] - GenericResultAtLocation [Line: 4135]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] - GenericResultAtLocation [Line: 4141]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] - GenericResultAtLocation [Line: 4143]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] - GenericResultAtLocation [Line: 4149]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] - GenericResultAtLocation [Line: 4151]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] - GenericResultAtLocation [Line: 4159]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] - GenericResultAtLocation [Line: 4165]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] - GenericResultAtLocation [Line: 4167]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] - GenericResultAtLocation [Line: 4173]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] - GenericResultAtLocation [Line: 4175]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34345, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 450, dependent conditional: 382, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33963, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 68, dependent conditional: 3, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33963, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 68, dependent conditional: 3, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33963, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 68, dependent conditional: 3, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 139, dependent conditional: 9, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 0, independent unconditional: 33895, dependent: 139, dependent conditional: 1, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 0, independent unconditional: 33895, dependent: 139, dependent conditional: 1, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30031, independent: 29965, independent conditional: 0, independent unconditional: 29965, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30031, independent: 29931, independent conditional: 0, independent unconditional: 29931, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6471, independent: 1582, independent conditional: 0, independent unconditional: 1582, dependent: 4888, dependent conditional: 41, dependent unconditional: 4847, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34034, independent: 3930, independent conditional: 0, independent unconditional: 3930, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 30031, unknown conditional: 1, unknown unconditional: 30030] , Statistics on independence cache: Total cache size (in pairs): 30031, Positive cache size: 29965, Positive conditional cache size: 0, Positive unconditional cache size: 29965, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 630, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 139, dependent conditional: 9, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 0, independent unconditional: 33895, dependent: 139, dependent conditional: 1, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 0, independent unconditional: 33895, dependent: 139, dependent conditional: 1, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30031, independent: 29965, independent conditional: 0, independent unconditional: 29965, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30031, independent: 29931, independent conditional: 0, independent unconditional: 29931, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6471, independent: 1582, independent conditional: 0, independent unconditional: 1582, dependent: 4888, dependent conditional: 41, dependent unconditional: 4847, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34034, independent: 3930, independent conditional: 0, independent unconditional: 3930, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 30031, unknown conditional: 1, unknown unconditional: 30030] , Statistics on independence cache: Total cache size (in pairs): 30031, Positive cache size: 29965, Positive conditional cache size: 0, Positive unconditional cache size: 29965, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 630 ], Independence queries for same thread: 382, Persistent sets #1 benchmarks: Persistent set computation time: 6.6s, Number of persistent set computation: 276, Number of trivial persistent sets: 226, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33338, independent: 33273, independent conditional: 0, independent unconditional: 33273, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34345, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 450, dependent conditional: 382, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33963, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 68, dependent conditional: 3, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33963, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 68, dependent conditional: 3, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33963, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 68, dependent conditional: 3, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 139, dependent conditional: 9, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 0, independent unconditional: 33895, dependent: 139, dependent conditional: 1, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 0, independent unconditional: 33895, dependent: 139, dependent conditional: 1, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30031, independent: 29965, independent conditional: 0, independent unconditional: 29965, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30031, independent: 29931, independent conditional: 0, independent unconditional: 29931, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6471, independent: 1582, independent conditional: 0, independent unconditional: 1582, dependent: 4888, dependent conditional: 41, dependent unconditional: 4847, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34034, independent: 3930, independent conditional: 0, independent unconditional: 3930, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 30031, unknown conditional: 1, unknown unconditional: 30030] , Statistics on independence cache: Total cache size (in pairs): 30031, Positive cache size: 29965, Positive conditional cache size: 0, Positive unconditional cache size: 29965, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 630, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 622, independent unconditional: 33273, dependent: 139, dependent conditional: 9, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 0, independent unconditional: 33895, dependent: 139, dependent conditional: 1, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34034, independent: 33895, independent conditional: 0, independent unconditional: 33895, dependent: 139, dependent conditional: 1, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30031, independent: 29965, independent conditional: 0, independent unconditional: 29965, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30031, independent: 29931, independent conditional: 0, independent unconditional: 29931, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6471, independent: 1582, independent conditional: 0, independent unconditional: 1582, dependent: 4888, dependent conditional: 41, dependent unconditional: 4847, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34034, independent: 3930, independent conditional: 0, independent unconditional: 3930, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 30031, unknown conditional: 1, unknown unconditional: 30030] , Statistics on independence cache: Total cache size (in pairs): 30031, Positive cache size: 29965, Positive conditional cache size: 0, Positive unconditional cache size: 29965, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 630 ], Independence queries for same thread: 382 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2384, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 23, dependent conditional: 19, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2302, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2302, independent: 2294, independent conditional: 0, independent unconditional: 2294, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2369, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2302, unknown conditional: 0, unknown unconditional: 2302] , Statistics on independence cache: Total cache size (in pairs): 2302, Positive cache size: 2298, Positive conditional cache size: 0, Positive unconditional cache size: 2298, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2302, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2302, independent: 2294, independent conditional: 0, independent unconditional: 2294, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2369, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2302, unknown conditional: 0, unknown unconditional: 2302] , Statistics on independence cache: Total cache size (in pairs): 2302, Positive cache size: 2298, Positive conditional cache size: 0, Positive unconditional cache size: 2298, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24 ], Independence queries for same thread: 19, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 17, Number of trivial persistent sets: 17, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2341, independent: 2337, independent conditional: 0, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2384, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 23, dependent conditional: 19, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2302, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2302, independent: 2294, independent conditional: 0, independent unconditional: 2294, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2369, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2302, unknown conditional: 0, unknown unconditional: 2302] , Statistics on independence cache: Total cache size (in pairs): 2302, Positive cache size: 2298, Positive conditional cache size: 0, Positive unconditional cache size: 2298, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2302, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2302, independent: 2294, independent conditional: 0, independent unconditional: 2294, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2369, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2302, unknown conditional: 0, unknown unconditional: 2302] , Statistics on independence cache: Total cache size (in pairs): 2302, Positive cache size: 2298, Positive conditional cache size: 0, Positive unconditional cache size: 2298, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24 ], Independence queries for same thread: 19 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 348263, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 23376, dependent conditional: 23150, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 325154, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 267, dependent conditional: 57, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 325154, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 267, dependent conditional: 57, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 325154, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 267, dependent conditional: 57, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 549, dependent conditional: 129, dependent unconditional: 420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 0, independent unconditional: 324887, dependent: 549, dependent conditional: 1, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 0, independent unconditional: 324887, dependent: 549, dependent conditional: 1, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 161039, independent: 160828, independent conditional: 0, independent unconditional: 160828, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 161039, independent: 160756, independent conditional: 0, independent unconditional: 160756, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 283, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 283, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16669, independent: 2376, independent conditional: 0, independent unconditional: 2376, dependent: 14293, dependent conditional: 38, dependent unconditional: 14255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 325436, independent: 164059, independent conditional: 0, independent unconditional: 164059, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 161039, unknown conditional: 1, unknown unconditional: 161038] , Statistics on independence cache: Total cache size (in pairs): 161039, Positive cache size: 160828, Positive conditional cache size: 0, Positive unconditional cache size: 160828, Negative cache size: 211, Negative conditional cache size: 1, Negative unconditional cache size: 210, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 101313, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 549, dependent conditional: 129, dependent unconditional: 420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 0, independent unconditional: 324887, dependent: 549, dependent conditional: 1, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 0, independent unconditional: 324887, dependent: 549, dependent conditional: 1, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 161039, independent: 160828, independent conditional: 0, independent unconditional: 160828, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 161039, independent: 160756, independent conditional: 0, independent unconditional: 160756, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 283, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 283, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16669, independent: 2376, independent conditional: 0, independent unconditional: 2376, dependent: 14293, dependent conditional: 38, dependent unconditional: 14255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 325436, independent: 164059, independent conditional: 0, independent unconditional: 164059, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 161039, unknown conditional: 1, unknown unconditional: 161038] , Statistics on independence cache: Total cache size (in pairs): 161039, Positive cache size: 160828, Positive conditional cache size: 0, Positive unconditional cache size: 160828, Negative cache size: 211, Negative conditional cache size: 1, Negative unconditional cache size: 210, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 101313 ], Independence queries for same thread: 23109, Persistent sets #1 benchmarks: Persistent set computation time: 17.3s, Number of persistent set computation: 8374, Number of trivial persistent sets: 7825, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 223912, independent: 223702, independent conditional: 0, independent unconditional: 223702, dependent: 210, dependent conditional: 0, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 348263, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 23376, dependent conditional: 23150, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 325154, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 267, dependent conditional: 57, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 325154, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 267, dependent conditional: 57, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 325154, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 267, dependent conditional: 57, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 549, dependent conditional: 129, dependent unconditional: 420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 0, independent unconditional: 324887, dependent: 549, dependent conditional: 1, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 0, independent unconditional: 324887, dependent: 549, dependent conditional: 1, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 161039, independent: 160828, independent conditional: 0, independent unconditional: 160828, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 161039, independent: 160756, independent conditional: 0, independent unconditional: 160756, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 283, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 283, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16669, independent: 2376, independent conditional: 0, independent unconditional: 2376, dependent: 14293, dependent conditional: 38, dependent unconditional: 14255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 325436, independent: 164059, independent conditional: 0, independent unconditional: 164059, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 161039, unknown conditional: 1, unknown unconditional: 161038] , Statistics on independence cache: Total cache size (in pairs): 161039, Positive cache size: 160828, Positive conditional cache size: 0, Positive unconditional cache size: 160828, Negative cache size: 211, Negative conditional cache size: 1, Negative unconditional cache size: 210, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 101313, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 101185, independent unconditional: 223702, dependent: 549, dependent conditional: 129, dependent unconditional: 420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 0, independent unconditional: 324887, dependent: 549, dependent conditional: 1, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 325436, independent: 324887, independent conditional: 0, independent unconditional: 324887, dependent: 549, dependent conditional: 1, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 161039, independent: 160828, independent conditional: 0, independent unconditional: 160828, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 161039, independent: 160756, independent conditional: 0, independent unconditional: 160756, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 283, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 283, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 211, dependent conditional: 1, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16669, independent: 2376, independent conditional: 0, independent unconditional: 2376, dependent: 14293, dependent conditional: 38, dependent unconditional: 14255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 325436, independent: 164059, independent conditional: 0, independent unconditional: 164059, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 161039, unknown conditional: 1, unknown unconditional: 161038] , Statistics on independence cache: Total cache size (in pairs): 161039, Positive cache size: 160828, Positive conditional cache size: 0, Positive unconditional cache size: 160828, Negative cache size: 211, Negative conditional cache size: 1, Negative unconditional cache size: 210, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 101313 ], Independence queries for same thread: 23109 - UnprovableResult [Line: 3928]: 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 3928. Possible FailurePath: [L6033] 0 static vuint32_t g_cs_x = 0; [L6034] 0 static vuint32_t g_cs_y = 0; [L6095] 0 rwlock_t lock = { .n = ((1U << 30U)), .wb = { ._v = 0 }, .rs = { .s = { ._v = ((1U << 30U)) } }, }; [L6076] 0 pthread_t t[(2 + 2)]; [L6077] FCALL 0 init() [L6078] FCALL 0 verification_loop_bound(2 + 1) [L6079] 0 vuintptr_t i = 0; VAL [g_cs_x=0, g_cs_y=0, i=0, lock={4:0}, t={6:0}] [L6079] COND TRUE 0 i < 2 [L6080] FCALL, FORK 0 pthread_create(&t[i], 0, writer, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=0, lock={4:0}, t={6:0}] [L6058] 1 vuint32_t tid = (vuint32_t)(vuintptr_t)arg; [L6059] CALL 1 writer_acquire(tid) [L6079] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=1, lock={4:0}, t={6:0}] [L6079] COND TRUE 0 i < 2 [L6080] FCALL, FORK 0 pthread_create(&t[i], 0, writer, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=1, lock={4:0}, t={6:0}] [L6058] 2 vuint32_t tid = (vuint32_t)(vuintptr_t)arg; [L6059] CALL 2 writer_acquire(tid) [L6079] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=2, lock={4:0}, t={6:0}] [L6079] COND FALSE 0 !(i < 2) [L6082] CALL 0 verification_loop_bound((2 + 2) + 1) [L6100] CALL 1 rwlock_write_acquire(&lock) [L5413] CALL 1 vatomic32_await_eq_set_rlx(&l->wb, 0, 1U) [L2570] CALL 1 vatomic32_await_eq_set(a, c, v) [L5335] CALL 1 vatomic32_await_eq(a, c) [L4838] 1 vuint32_t ret = c; [L4839] 1 vuint32_t o = 0; [L4840] FCALL 1 verification_loop_begin() [L6100] CALL 2 rwlock_write_acquire(&lock) [L5413] CALL 2 vatomic32_await_eq_set_rlx(&l->wb, 0, 1U) [L2570] CALL 2 vatomic32_await_eq_set(a, c, v) [L4840] EXPR, FCALL 1 verification_spin_start() [L4840] CALL, EXPR 1 vatomic32_read(a) [L3779] EXPR 1 a->_v VAL [\old(a)={4:4}, a={4:4}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 1 return tmp; [L4840] RET, EXPR 1 vatomic32_read(a) [L4840] EXPR 1 o = vatomic32_read(a) VAL [\old(a)={4:4}, \old(c)=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] EXPR 1 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) [L4840] CALL 1 verification_spin_end(1) [L5335] CALL 2 vatomic32_await_eq(a, c) [L4838] 2 vuint32_t ret = c; [L4839] 2 vuint32_t o = 0; [L4840] FCALL 2 verification_loop_begin() [L6082] RET 0 verification_loop_bound((2 + 2) + 1) [L6083] 0 vuintptr_t i = 2; VAL [g_cs_x=0, g_cs_y=0, i=2, lock={4:0}, t={6:0}] [L4840] FCALL 2 verification_spin_start() [L4840] CALL, EXPR 2 vatomic32_read(a) [L3779] EXPR 2 a->_v VAL [\old(a)={4:4}, \result=0, a={4:4}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 2 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 2 return tmp; [L4840] RET, EXPR 2 vatomic32_read(a) [L4840] EXPR 2 o = vatomic32_read(a) VAL [\old(a)={4:4}, \old(c)=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] 2 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) [L4840] CALL 2 verification_spin_end(1) [L6083] COND TRUE 0 i < (2 + 2) [L6084] FCALL, FORK 0 pthread_create(&t[i], 0, reader, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=2, lock={4:0}, t={6:0}] [L6083] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=3, lock={4:0}, t={6:0}] [L6067] 3 vuint32_t tid = (vuint32_t)(vuintptr_t)arg; [L6068] CALL 3 reader_acquire(tid) [L6083] COND TRUE 0 i < (2 + 2) [L6084] FCALL, FORK 0 pthread_create(&t[i], 0, reader, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=3, lock={4:0}, t={6:0}] [L6083] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=4, lock={4:0}, t={6:0}] [L6067] 4 vuint32_t tid = (vuint32_t)(vuintptr_t)arg; [L6068] CALL 4 reader_acquire(tid) [L4840] RET, EXPR 1 verification_spin_end(1) [L4840] EXPR 1 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) VAL [\old(a)={4:4}, \old(c)=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] COND FALSE 1 !((verification_spin_start(), ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0))) [L4844] 1 return ret; [L5335] RET 1 vatomic32_await_eq(a, c) [L5336] CALL 1 vatomic32_cmpxchg(a, c, v) [L3926] 1 vuint32_t exp = (vuint32_t)e; VAL [\old(a)={4:4}, \old(e)=0, \old(v)=1, a={4:4}, e=0, exp=0, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1] [L6083] COND FALSE 0 !(i < (2 + 2)) [L6086] FCALL 0 post() [L6087] CALL 0 verification_loop_bound((2 + 2) + 1) [L3928-L3929] 1 __atomic_compare_exchange_n(&a->_v, &exp, (vuint32_t)v, 0, 5, 5) VAL [\old(a)={4:4}, \old(e)=0, \old(v)=1, a={4:4}, e=0, exp=0, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1] [L4840] RET, EXPR 2 verification_spin_end(1) [L4840] EXPR 2 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) VAL [\old(a)={4:4}, \old(c)=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] COND FALSE 2 !((verification_spin_start(), ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0))) [L4844] 2 return ret; [L5335] RET 2 vatomic32_await_eq(a, c) [L5336] CALL 2 vatomic32_cmpxchg(a, c, v) [L3926] 2 vuint32_t exp = (vuint32_t)e; VAL [\old(a)={4:4}, \old(e)=0, \old(v)=1, a={4:4}, e=0, exp=0, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1] [L6112] CALL 3 rwlock_read_acquire(&lock) [L5437] CALL 3 vatomic32_await_eq_rlx(&l->wb, 0) [L2255] CALL, EXPR 3 vatomic32_await_eq(a, v) [L4838] 3 vuint32_t ret = c; [L4839] 3 vuint32_t o = 0; [L4840] FCALL 3 verification_loop_begin() [L3928-L3929] 2 __atomic_compare_exchange_n(&a->_v, &exp, (vuint32_t)v, 0, 5, 5) VAL [\old(a)={4:4}, \old(e)=0, \old(v)=1, a={4:4}, e=0, exp=0, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1] [L4840] EXPR, FCALL 3 verification_spin_start() [L4840] CALL, EXPR 3 vatomic32_read(a) [L3779] EXPR 3 a->_v VAL [\old(a)={4:4}, \result=0, a={4:4}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 3 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 3 return tmp; [L4840] RET, EXPR 3 vatomic32_read(a) [L4840] EXPR 3 o = vatomic32_read(a) VAL [\old(a)={4:4}, \old(c)=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] EXPR 3 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) [L4840] CALL 3 verification_spin_end(1) [L6112] CALL 4 rwlock_read_acquire(&lock) [L5437] CALL 4 vatomic32_await_eq_rlx(&l->wb, 0) [L2255] CALL 4 vatomic32_await_eq(a, v) [L4838] 4 vuint32_t ret = c; [L4839] 4 vuint32_t o = 0; [L4840] FCALL 4 verification_loop_begin() [L6087] RET 0 verification_loop_bound((2 + 2) + 1) [L6088] 0 vuintptr_t i = 0; VAL [g_cs_x=0, g_cs_y=0, i=0, lock={4:0}, t={6:0}] [L4840] FCALL 4 verification_spin_start() [L4840] CALL, EXPR 4 vatomic32_read(a) [L3779] EXPR 4 a->_v VAL [\old(a)={4:4}, \result=0, \result=0, a={4:4}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 4 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 4 return tmp; [L4840] RET, EXPR 4 vatomic32_read(a) [L4840] EXPR 4 o = vatomic32_read(a) VAL [\old(a)={4:4}, \old(c)=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] 4 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) [L4840] CALL 4 verification_spin_end(1) [L6088] COND TRUE 0 i < (2 + 2) [L6089] 0 t[i] VAL [g_cs_x=0, g_cs_y=0, i=0, lock={4:0}, t={6:0}] [L4840] RET, EXPR 3 verification_spin_end(1) [L4840] EXPR 3 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) VAL [\old(a)={4:4}, \old(c)=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] COND FALSE 3 !((verification_spin_start(), ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0))) [L4844] 3 return ret; [L2255] RET, EXPR 3 vatomic32_await_eq(a, v) [L2255] 3 return vatomic32_await_eq(a, v); [L5437] RET 3 vatomic32_await_eq_rlx(&l->wb, 0) [L5438] CALL 3 semaphore_acquire(&l->rs, 1U) [L5382] CALL 3 vatomic32_await_ge_sub_acq(&s->s, i, i) [L2425] CALL 3 vatomic32_await_ge_sub(a, c, v) [L5034] 3 vuint32_t cur = 0; [L5035] CALL, EXPR 3 vatomic32_read(a) [L3779] EXPR 3 a->_v VAL [\old(a)={4:8}, \result=0, \result=0, a={4:8}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 3 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 3 return tmp; [L5035] RET, EXPR 3 vatomic32_read(a) [L5035] 3 vuint32_t old = vatomic32_read(a); [L5037] 3 cur = old VAL [\old(a)={4:8}, \old(c)=1, \old(v)=1, a={4:8}, c=1, cur=1073741824, g_cs_x=0, g_cs_y=0, lock={4:0}, old=1073741824, v=1] [L4840] RET, EXPR 4 verification_spin_end(1) [L4840] EXPR 4 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) VAL [\old(a)={4:4}, \old(c)=0, \result=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] COND FALSE 4 !((verification_spin_start(), ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0))) [L4844] 4 return ret; [L2255] RET, EXPR 4 vatomic32_await_eq(a, v) [L2255] 4 return vatomic32_await_eq(a, v); [L5437] RET 4 vatomic32_await_eq_rlx(&l->wb, 0) [L5438] CALL 4 semaphore_acquire(&l->rs, 1U) [L5382] CALL 4 vatomic32_await_ge_sub_acq(&s->s, i, i) [L2425] CALL 4 vatomic32_await_ge_sub(a, c, v) [L5034] 4 vuint32_t cur = 0; [L5035] CALL, EXPR 4 vatomic32_read(a) [L3779] EXPR 4 a->_v VAL [\old(a)={4:8}, \result=0, \result=1073741824, a={4:8}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 4 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 4 return tmp; [L5035] RET, EXPR 4 vatomic32_read(a) [L5035] 4 vuint32_t old = vatomic32_read(a); [L5038] COND FALSE 3 !(!(cur >= c)) [L5041] CALL 3 vatomic32_cmpxchg(a, cur, cur - v) [L3926] 3 vuint32_t exp = (vuint32_t)e; VAL [\old(a)={4:4}, \old(a)={4:8}, \old(e)=0, \old(e)=1073741824, \old(v)=1, \old(v)=1073741823, a={4:4}, a={4:8}, e=0, e=1073741824, exp=0, exp=1073741824, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1, v=1073741823] [L5037] 4 cur = old VAL [\old(a)={4:8}, \old(c)=1, \old(v)=1, a={4:8}, c=1, cur=1073741824, g_cs_x=0, g_cs_y=0, lock={4:0}, old=1073741824, v=1] [L3928-L3929] 3 __atomic_compare_exchange_n(&a->_v, &exp, (vuint32_t)v, 0, 5, 5) VAL [\old(a)={4:4}, \old(a)={4:8}, \old(e)=0, \old(e)=1073741824, \old(v)=1, \old(v)=1073741823, a={4:4}, a={4:8}, e=0, e=1073741824, exp=0, exp=1073741824, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1, v=1073741823] - UnprovableResult [Line: 6047]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 336 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.0s, 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: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 413 SizeOfPredicates, 0 NumberOfNonLiveVariables, 433 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 34/37 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: 3, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 336 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of2ForFork0 with 1 thread instances CFG has 7 procedures, 484 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 26.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 21.4s, 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: 59, 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: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2666 NumberOfCodeBlocks, 2666 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2644 ConstructedInterpolants, 0 QuantifiedInterpolants, 5143 SizeOfPredicates, 130 NumberOfNonLiveVariables, 3472 ConjunctsInSsa, 275 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 1319/1346 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: 24, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-17 09:55:03,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-10-17 09:55:04,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-10-17 09:55:04,255 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 09:55:04,455 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/rwlock.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 fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 --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 SYMBOLIC_RELATION -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 09:55:06,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 09:55:06,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-17 09:55:06,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 09:55:06,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 09:55:06,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 09:55:06,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 09:55:06,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 09:55:06,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 09:55:06,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 09:55:06,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 09:55:06,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 09:55:06,379 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 09:55:06,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 09:55:06,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 09:55:06,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 09:55:06,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 09:55:06,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 09:55:06,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 09:55:06,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 09:55:06,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 09:55:06,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-17 09:55:06,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 09:55:06,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-17 09:55:06,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 09:55:06,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 09:55:06,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 09:55:06,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 09:55:06,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 09:55:06,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 09:55:06,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 09:55:06,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:55:06,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 09:55:06,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 09:55:06,388 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 09:55:06,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-17 09:55:06,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 09:55:06,389 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 09:55:06,389 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-17 09:55:06,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 09:55:06,389 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-17 09:55:06,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 09:55:06,390 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 09:55:06,390 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 -> fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 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 -> SYMBOLIC_RELATION [2024-10-17 09:55:06,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 09:55:06,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 09:55:06,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 09:55:06,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 09:55:06,654 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 09:55:06,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/libvsync/rwlock.i [2024-10-17 09:55:07,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 09:55:08,217 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 09:55:08,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rwlock.i [2024-10-17 09:55:08,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/470a75736/a15e67caddc74a6cad906570cf0f2d41/FLAG23bbc10e4 [2024-10-17 09:55:08,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/470a75736/a15e67caddc74a6cad906570cf0f2d41 [2024-10-17 09:55:08,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 09:55:08,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 09:55:08,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 09:55:08,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 09:55:08,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 09:55:08,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:55:08" (1/1) ... [2024-10-17 09:55:08,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3019d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:08, skipping insertion in model container [2024-10-17 09:55:08,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:55:08" (1/1) ... [2024-10-17 09:55:08,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 09:55:09,838 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/rwlock.i[195762,195775] [2024-10-17 09:55:09,842 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/rwlock.i[195845,195858] [2024-10-17 09:55:09,842 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/rwlock.i[195902,195915] [2024-10-17 09:55:09,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:55:09,865 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 09:55:09,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-10-17 09:55:09,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-10-17 09:55:09,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-10-17 09:55:09,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-10-17 09:55:09,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-10-17 09:55:09,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-10-17 09:55:09,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-10-17 09:55:09,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-10-17 09:55:09,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-10-17 09:55:09,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-10-17 09:55:09,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-10-17 09:55:09,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-10-17 09:55:09,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-10-17 09:55:09,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-10-17 09:55:09,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-10-17 09:55:09,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-10-17 09:55:09,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-10-17 09:55:09,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-10-17 09:55:09,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-10-17 09:55:09,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-10-17 09:55:09,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-10-17 09:55:09,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-10-17 09:55:09,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-10-17 09:55:09,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-10-17 09:55:09,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-10-17 09:55:09,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-10-17 09:55:09,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-10-17 09:55:09,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-10-17 09:55:09,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-10-17 09:55:09,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-10-17 09:55:09,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-10-17 09:55:09,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-10-17 09:55:09,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-10-17 09:55:09,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-10-17 09:55:09,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-10-17 09:55:09,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-10-17 09:55:09,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-10-17 09:55:09,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-10-17 09:55:09,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-10-17 09:55:09,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-10-17 09:55:09,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-10-17 09:55:09,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-10-17 09:55:09,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-10-17 09:55:09,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-10-17 09:55:09,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-10-17 09:55:09,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-10-17 09:55:09,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-10-17 09:55:09,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-10-17 09:55:09,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-10-17 09:55:09,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-10-17 09:55:09,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-10-17 09:55:09,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-10-17 09:55:09,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-10-17 09:55:09,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-10-17 09:55:09,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-10-17 09:55:09,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-10-17 09:55:09,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-10-17 09:55:09,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-10-17 09:55:09,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-10-17 09:55:09,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-10-17 09:55:09,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-10-17 09:55:09,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-10-17 09:55:09,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-10-17 09:55:09,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-10-17 09:55:09,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-10-17 09:55:09,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-10-17 09:55:09,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-10-17 09:55:09,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-10-17 09:55:09,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-10-17 09:55:09,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-10-17 09:55:09,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-10-17 09:55:09,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-10-17 09:55:09,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-10-17 09:55:09,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-10-17 09:55:09,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-10-17 09:55:09,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-10-17 09:55:09,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-10-17 09:55:09,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-10-17 09:55:09,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-10-17 09:55:09,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-10-17 09:55:09,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-10-17 09:55:09,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-10-17 09:55:09,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-10-17 09:55:09,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-10-17 09:55:09,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-10-17 09:55:09,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-10-17 09:55:09,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-10-17 09:55:09,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-10-17 09:55:09,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-10-17 09:55:09,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-10-17 09:55:09,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-10-17 09:55:09,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-10-17 09:55:09,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-10-17 09:55:09,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-10-17 09:55:09,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-10-17 09:55:09,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-10-17 09:55:09,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-10-17 09:55:09,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-10-17 09:55:09,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-10-17 09:55:09,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-10-17 09:55:10,066 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/rwlock.i[195762,195775] [2024-10-17 09:55:10,067 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/rwlock.i[195845,195858] [2024-10-17 09:55:10,067 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/rwlock.i[195902,195915] [2024-10-17 09:55:10,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:55:10,289 INFO L204 MainTranslator]: Completed translation [2024-10-17 09:55:10,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10 WrapperNode [2024-10-17 09:55:10,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 09:55:10,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 09:55:10,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 09:55:10,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 09:55:10,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,423 INFO L138 Inliner]: procedures = 938, calls = 928, calls flagged for inlining = 832, calls inlined = 67, statements flattened = 682 [2024-10-17 09:55:10,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 09:55:10,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 09:55:10,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 09:55:10,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 09:55:10,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 09:55:10,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 09:55:10,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 09:55:10,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 09:55:10,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (1/1) ... [2024-10-17 09:55:10,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:55:10,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:55:10,534 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 09:55:10,536 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 09:55:10,571 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-10-17 09:55:10,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-10-17 09:55:10,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 09:55:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 09:55:10,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 09:55:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-17 09:55:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-17 09:55:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-17 09:55:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-10-17 09:55:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-17 09:55:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-17 09:55:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-17 09:55:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-17 09:55:10,575 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 09:55:10,752 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 09:55:10,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 09:55:11,491 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 09:55:11,492 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 09:55:11,777 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 09:55:11,777 INFO L314 CfgBuilder]: Removed 131 assume(true) statements. [2024-10-17 09:55:11,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:55:11 BoogieIcfgContainer [2024-10-17 09:55:11,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 09:55:11,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 09:55:11,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 09:55:11,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 09:55:11,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 09:55:08" (1/3) ... [2024-10-17 09:55:11,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c13850e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:55:11, skipping insertion in model container [2024-10-17 09:55:11,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:55:10" (2/3) ... [2024-10-17 09:55:11,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c13850e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:55:11, skipping insertion in model container [2024-10-17 09:55:11,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:55:11" (3/3) ... [2024-10-17 09:55:11,786 INFO L112 eAbstractionObserver]: Analyzing ICFG rwlock.i [2024-10-17 09:55:11,801 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 09:55:11,802 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-17 09:55:11,802 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 09:55:11,916 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-17 09:55:11,955 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:55:11,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:55:11,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:55:11,957 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 09:55:11,980 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 09:55:12,141 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:55:12,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:12,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork0 ======== [2024-10-17 09:55:12,164 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;@508b1cdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 09:55:12,164 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-17 09:55:21,179 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr1ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:55:21,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:21,184 INFO L85 PathProgramCache]: Analyzing trace with hash 229987570, now seen corresponding path program 1 times [2024-10-17 09:55:21,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:55:21,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086818809] [2024-10-17 09:55:21,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:21,197 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 09:55:21,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:55:21,215 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 09:55:21,217 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 09:55:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:55:21,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-17 09:55:21,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:55:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 09:55:21,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:55:21,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:55:21,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086818809] [2024-10-17 09:55:21,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086818809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:55:21,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:55:21,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 09:55:21,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576837599] [2024-10-17 09:55:21,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:55:21,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-17 09:55:21,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:55:21,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-17 09:55:21,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-17 09:55:21,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:21,460 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:55:21,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:55:21,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:22,869 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 09:55:23,060 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 09:55:23,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:55:23,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:23,063 INFO L85 PathProgramCache]: Analyzing trace with hash -858062929, now seen corresponding path program 1 times [2024-10-17 09:55:23,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:55:23,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821548870] [2024-10-17 09:55:23,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:23,063 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 09:55:23,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:55:23,066 INFO L229 MonitoredProcess]: Starting monitored process 4 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 09:55:23,067 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 (4)] Waiting until timeout for monitored process [2024-10-17 09:55:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:55:23,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-17 09:55:23,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:55:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-17 09:55:23,230 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:55:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-17 09:55:23,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:55:23,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821548870] [2024-10-17 09:55:23,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821548870] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:55:23,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-17 09:55:23,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-10-17 09:55:23,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177964161] [2024-10-17 09:55:23,252 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-17 09:55:23,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 09:55:23,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:55:23,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 09:55:23,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-17 09:55:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:23,254 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:55:23,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:55:23,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:23,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:24,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:24,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 09:55:24,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-17 09:55:24,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-17 09:55:24,294 INFO L540 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 (4)] Forceful destruction successful, exit code 0 [2024-10-17 09:55:24,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 09:55:24,496 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-17 09:55:24,497 INFO L312 ceAbstractionStarter]: Result for error location readerThread1of1ForFork0 was SAFE,SAFE (1/3) [2024-10-17 09:55:24,500 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:55:24,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:55:24,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:55:24,502 INFO L229 MonitoredProcess]: Starting monitored process 5 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 09:55:24,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-10-17 09:55:24,566 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:55:24,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:24,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 09:55:24,567 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;@508b1cdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 09:55:24,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 09:55:25,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 09:55:25,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:25,019 INFO L85 PathProgramCache]: Analyzing trace with hash 276365702, now seen corresponding path program 1 times [2024-10-17 09:55:25,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:55:25,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310805445] [2024-10-17 09:55:25,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:25,020 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 09:55:25,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:55:25,022 INFO L229 MonitoredProcess]: Starting monitored process 6 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 09:55:25,023 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 (6)] Waiting until timeout for monitored process [2024-10-17 09:55:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:55:25,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-17 09:55:25,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:55:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:55:25,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:55:25,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:55:25,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310805445] [2024-10-17 09:55:25,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310805445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:55:25,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:55:25,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 09:55:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572950165] [2024-10-17 09:55:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:55:25,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-17 09:55:25,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:55:25,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-17 09:55:25,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-17 09:55:25,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:25,114 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:55:25,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:55:25,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:25,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:25,256 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 (6)] Ended with exit code 0 [2024-10-17 09:55:25,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 09:55:25,453 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 09:55:25,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:25,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1678359356, now seen corresponding path program 1 times [2024-10-17 09:55:25,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:55:25,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801851825] [2024-10-17 09:55:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:55:25,454 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 09:55:25,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:55:25,456 INFO L229 MonitoredProcess]: Starting monitored process 7 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 09:55:25,457 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 (7)] Waiting until timeout for monitored process [2024-10-17 09:55:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:55:25,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:55:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:55:25,608 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-17 09:55:25,608 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 09:55:25,608 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-10-17 09:55:25,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-10-17 09:55:25,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-10-17 09:55:25,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-17 09:55:25,615 INFO L540 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 (7)] Forceful destruction successful, exit code 0 [2024-10-17 09:55:25,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 09:55:25,813 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-17 09:55:25,813 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2024-10-17 09:55:25,814 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-17 09:55:25,814 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-17 09:55:25,964 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-17 09:55:25,969 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:55:25,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:55:25,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:55:25,972 INFO L229 MonitoredProcess]: Starting monitored process 8 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 09:55:25,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-10-17 09:55:26,095 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:55:26,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:55:26,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of2ForFork0 ======== [2024-10-17 09:55:26,096 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;@508b1cdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 09:55:26,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-17 09:56:06,862 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr1ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:06,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:06,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1927070872, now seen corresponding path program 1 times [2024-10-17 09:56:06,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:06,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086181263] [2024-10-17 09:56:06,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:06,865 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 09:56:06,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:06,867 INFO L229 MonitoredProcess]: Starting monitored process 9 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 09:56:06,868 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 (9)] Waiting until timeout for monitored process [2024-10-17 09:56:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:07,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-17 09:56:07,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-17 09:56:07,180 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:56:07,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:07,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086181263] [2024-10-17 09:56:07,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086181263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:56:07,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:56:07,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 09:56:07,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907738090] [2024-10-17 09:56:07,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:56:07,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-17 09:56:07,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:07,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-17 09:56:07,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-17 09:56:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:07,182 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:07,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:07,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:11,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:11,574 INFO L540 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 (9)] Forceful destruction successful, exit code 0 [2024-10-17 09:56:11,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 09:56:11,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:11,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:11,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1944065250, now seen corresponding path program 1 times [2024-10-17 09:56:11,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:11,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099498157] [2024-10-17 09:56:11,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:11,768 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 09:56:11,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:11,771 INFO L229 MonitoredProcess]: Starting monitored process 10 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 09:56:11,772 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 (10)] Waiting until timeout for monitored process [2024-10-17 09:56:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:12,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 09:56:12,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-17 09:56:12,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:56:12,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:12,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099498157] [2024-10-17 09:56:12,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099498157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:56:12,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:56:12,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:56:12,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709391793] [2024-10-17 09:56:12,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:56:12,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:56:12,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:12,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:56:12,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:56:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:12,029 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:12,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:12,283 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 (10)] Ended with exit code 0 [2024-10-17 09:56:12,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 09:56:12,475 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:12,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:12,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1033998484, now seen corresponding path program 1 times [2024-10-17 09:56:12,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:12,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451258026] [2024-10-17 09:56:12,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:12,477 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 09:56:12,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:12,478 INFO L229 MonitoredProcess]: Starting monitored process 11 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 09:56:12,478 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 (11)] Waiting until timeout for monitored process [2024-10-17 09:56:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:12,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-17 09:56:12,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-17 09:56:12,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:56:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-17 09:56:12,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:12,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451258026] [2024-10-17 09:56:12,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451258026] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:56:12,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-17 09:56:12,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-17 09:56:12,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897897518] [2024-10-17 09:56:12,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-17 09:56:12,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-17 09:56:12,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:12,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-17 09:56:12,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-17 09:56:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:12,842 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:12,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 8 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:12,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:12,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:12,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:13,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:13,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:13,857 INFO L540 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 (11)] Forceful destruction successful, exit code 0 [2024-10-17 09:56:14,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /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 09:56:14,051 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:14,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:14,054 INFO L85 PathProgramCache]: Analyzing trace with hash 43414680, now seen corresponding path program 1 times [2024-10-17 09:56:14,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:14,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207076295] [2024-10-17 09:56:14,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:14,055 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 09:56:14,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:14,057 INFO L229 MonitoredProcess]: Starting monitored process 12 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 09:56:14,058 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 (12)] Waiting until timeout for monitored process [2024-10-17 09:56:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:14,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 09:56:14,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-10-17 09:56:14,298 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:56:14,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:14,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207076295] [2024-10-17 09:56:14,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207076295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:56:14,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:56:14,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:56:14,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611920008] [2024-10-17 09:56:14,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:56:14,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:56:14,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:14,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:56:14,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:56:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:14,300 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:14,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:14,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:14,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:14,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:14,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:14,526 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 (12)] Ended with exit code 0 [2024-10-17 09:56:14,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /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 09:56:14,718 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:14,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:14,720 INFO L85 PathProgramCache]: Analyzing trace with hash 517284574, now seen corresponding path program 1 times [2024-10-17 09:56:14,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:14,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425803289] [2024-10-17 09:56:14,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:14,720 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 09:56:14,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:14,721 INFO L229 MonitoredProcess]: Starting monitored process 13 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 09:56:14,722 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 (13)] Waiting until timeout for monitored process [2024-10-17 09:56:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:14,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 09:56:14,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-17 09:56:14,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:56:14,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:14,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425803289] [2024-10-17 09:56:14,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425803289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:56:14,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:56:14,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:56:14,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650654070] [2024-10-17 09:56:14,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:56:14,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:56:14,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:14,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:56:14,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:56:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:14,957 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:14,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:14,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:14,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:14,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:14,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:14,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,337 INFO L540 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 (13)] Forceful destruction successful, exit code 0 [2024-10-17 09:56:15,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /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 09:56:15,530 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:15,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:15,531 INFO L85 PathProgramCache]: Analyzing trace with hash -580095631, now seen corresponding path program 1 times [2024-10-17 09:56:15,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:15,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209231665] [2024-10-17 09:56:15,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:15,532 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 09:56:15,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:15,533 INFO L229 MonitoredProcess]: Starting monitored process 14 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 09:56:15,533 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 (14)] Waiting until timeout for monitored process [2024-10-17 09:56:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:15,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 09:56:15,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-17 09:56:15,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:56:15,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:15,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209231665] [2024-10-17 09:56:15,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209231665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:56:15,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:56:15,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:56:15,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920991437] [2024-10-17 09:56:15,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:56:15,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:56:15,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:15,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:56:15,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:56:15,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:15,788 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:15,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:15,980 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 (14)] Ended with exit code 0 [2024-10-17 09:56:16,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /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 09:56:16,172 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:16,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:16,173 INFO L85 PathProgramCache]: Analyzing trace with hash -738380150, now seen corresponding path program 1 times [2024-10-17 09:56:16,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:16,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002330561] [2024-10-17 09:56:16,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:16,174 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 09:56:16,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:16,176 INFO L229 MonitoredProcess]: Starting monitored process 15 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 09:56:16,177 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 (15)] Waiting until timeout for monitored process [2024-10-17 09:56:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:16,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-17 09:56:16,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:16,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-17 09:56:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-17 09:56:16,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:56:16,634 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:16,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002330561] [2024-10-17 09:56:16,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002330561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:56:16,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:56:16,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-17 09:56:16,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462959338] [2024-10-17 09:56:16,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:56:16,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-17 09:56:16,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:16,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-17 09:56:16,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-17 09:56:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:16,636 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:16,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.636363636363637) internal successors, (161), 11 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:16,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:16,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:16,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:16,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:16,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:16,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:16,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:56:17,566 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 (15)] Ended with exit code 0 [2024-10-17 09:56:17,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /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 09:56:17,758 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:17,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:17,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1728182104, now seen corresponding path program 1 times [2024-10-17 09:56:17,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:17,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365760379] [2024-10-17 09:56:17,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:17,760 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 09:56:17,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:17,765 INFO L229 MonitoredProcess]: Starting monitored process 16 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 09:56:17,767 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 (16)] Waiting until timeout for monitored process [2024-10-17 09:56:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:18,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-10-17 09:56:18,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:18,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-10-17 09:56:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-10-17 09:56:18,544 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:56:18,544 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:18,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365760379] [2024-10-17 09:56:18,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365760379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:56:18,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:56:18,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-17 09:56:18,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938080462] [2024-10-17 09:56:18,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:56:18,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-17 09:56:18,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:18,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-17 09:56:18,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2024-10-17 09:56:18,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:18,546 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:18,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.0) internal successors, (162), 18 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:18,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:18,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:18,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:18,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:18,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:18,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:18,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:56:18,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:56:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 09:56:20,396 INFO L540 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 (16)] Forceful destruction successful, exit code 0 [2024-10-17 09:56:20,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /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 09:56:20,585 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:20,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:20,587 INFO L85 PathProgramCache]: Analyzing trace with hash 859749915, now seen corresponding path program 1 times [2024-10-17 09:56:20,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:20,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286493870] [2024-10-17 09:56:20,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:20,587 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 09:56:20,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:20,589 INFO L229 MonitoredProcess]: Starting monitored process 17 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 09:56:20,590 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 (17)] Waiting until timeout for monitored process [2024-10-17 09:56:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:56:20,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 09:56:20,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:56:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-17 09:56:20,863 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:56:20,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-17 09:56:20,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286493870] [2024-10-17 09:56:20,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286493870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:56:20,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:56:20,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 09:56:20,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203348651] [2024-10-17 09:56:20,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:56:20,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:56:20,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-17 09:56:20,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:56:20,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:56:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:20,864 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:56:20,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 09:56:20,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:56:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:56:21,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 09:56:21,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:56:21,216 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 (17)] Ended with exit code 0 [2024-10-17 09:56:21,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /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 09:56:21,408 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting readerErr0ASSERT_VIOLATIONUNKNOWN === [readerErr0ASSERT_VIOLATIONUNKNOWN, readerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 09:56:21,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:56:21,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2026398993, now seen corresponding path program 1 times [2024-10-17 09:56:21,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-17 09:56:21,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315073547] [2024-10-17 09:56:21,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:56:21,410 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 09:56:21,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-17 09:56:21,411 INFO L229 MonitoredProcess]: Starting monitored process 18 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 09:56:21,411 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 (18)] Waiting until timeout for monitored process [2024-10-17 09:56:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:56:21,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:56:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:56:21,968 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-17 09:56:21,968 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 09:56:21,969 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location readerErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-17 09:56:21,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-17 09:56:21,978 INFO L540 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 (18)] Forceful destruction successful, exit code 0 [2024-10-17 09:56:22,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /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 09:56:22,171 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-17 09:56:22,171 INFO L312 ceAbstractionStarter]: Result for error location readerThread1of2ForFork0 was UNSAFE,UNKNOWN (1/5) [2024-10-17 09:56:22,874 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2024-10-17 09:56:22,874 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 09:56:22,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 09:56:22 BasicIcfg [2024-10-17 09:56:22,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 09:56:22,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 09:56:22,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 09:56:22,878 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 09:56:22,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:55:11" (3/4) ... [2024-10-17 09:56:22,879 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-17 09:56:22,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 09:56:22,881 INFO L158 Benchmark]: Toolchain (without parser) took 74622.54ms. Allocated memory was 79.7MB in the beginning and 866.1MB in the end (delta: 786.4MB). Free memory was 42.6MB in the beginning and 643.0MB in the end (delta: -600.4MB). Peak memory consumption was 184.1MB. Max. memory is 16.1GB. [2024-10-17 09:56:22,881 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 60.8MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 09:56:22,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2031.07ms. Allocated memory was 79.7MB in the beginning and 127.9MB in the end (delta: 48.2MB). Free memory was 42.5MB in the beginning and 72.3MB in the end (delta: -29.8MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-10-17 09:56:22,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.39ms. Allocated memory is still 127.9MB. Free memory was 72.3MB in the beginning and 62.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-17 09:56:22,881 INFO L158 Benchmark]: Boogie Preprocessor took 68.79ms. Allocated memory is still 127.9MB. Free memory was 62.9MB in the beginning and 57.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-17 09:56:22,881 INFO L158 Benchmark]: RCFGBuilder took 1283.70ms. Allocated memory is still 127.9MB. Free memory was 57.6MB in the beginning and 66.0MB in the end (delta: -8.4MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-10-17 09:56:22,882 INFO L158 Benchmark]: TraceAbstraction took 71097.81ms. Allocated memory was 127.9MB in the beginning and 866.1MB in the end (delta: 738.2MB). Free memory was 64.8MB in the beginning and 644.1MB in the end (delta: -579.3MB). Peak memory consumption was 578.1MB. Max. memory is 16.1GB. [2024-10-17 09:56:22,882 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 866.1MB. Free memory was 644.1MB in the beginning and 643.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 09:56:22,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 60.8MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2031.07ms. Allocated memory was 79.7MB in the beginning and 127.9MB in the end (delta: 48.2MB). Free memory was 42.5MB in the beginning and 72.3MB in the end (delta: -29.8MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.39ms. Allocated memory is still 127.9MB. Free memory was 72.3MB in the beginning and 62.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.79ms. Allocated memory is still 127.9MB. Free memory was 62.9MB in the beginning and 57.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1283.70ms. Allocated memory is still 127.9MB. Free memory was 57.6MB in the beginning and 66.0MB in the end (delta: -8.4MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * TraceAbstraction took 71097.81ms. Allocated memory was 127.9MB in the beginning and 866.1MB in the end (delta: 738.2MB). Free memory was 64.8MB in the beginning and 644.1MB in the end (delta: -579.3MB). Peak memory consumption was 578.1MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 866.1MB. Free memory was 644.1MB in the beginning and 643.0MB 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: 3755]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] - GenericResultAtLocation [Line: 3757]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] - GenericResultAtLocation [Line: 3762]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] - GenericResultAtLocation [Line: 3764]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] - GenericResultAtLocation [Line: 3770]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] - GenericResultAtLocation [Line: 3772]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] - GenericResultAtLocation [Line: 3778]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] - GenericResultAtLocation [Line: 3780]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] - GenericResultAtLocation [Line: 3786]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] - GenericResultAtLocation [Line: 3788]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] - GenericResultAtLocation [Line: 3794]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] - GenericResultAtLocation [Line: 3796]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] - GenericResultAtLocation [Line: 3802]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] - GenericResultAtLocation [Line: 3804]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] - GenericResultAtLocation [Line: 3810]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] - GenericResultAtLocation [Line: 3812]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] - GenericResultAtLocation [Line: 3817]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] - GenericResultAtLocation [Line: 3819]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] - GenericResultAtLocation [Line: 3824]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] - GenericResultAtLocation [Line: 3826]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] - GenericResultAtLocation [Line: 3831]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] - GenericResultAtLocation [Line: 3833]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] - GenericResultAtLocation [Line: 3838]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] - GenericResultAtLocation [Line: 3840]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] - GenericResultAtLocation [Line: 3845]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] - GenericResultAtLocation [Line: 3847]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] - GenericResultAtLocation [Line: 3852]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] - GenericResultAtLocation [Line: 3855]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] - GenericResultAtLocation [Line: 3861]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] - GenericResultAtLocation [Line: 3864]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] - GenericResultAtLocation [Line: 3870]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] - GenericResultAtLocation [Line: 3873]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] - GenericResultAtLocation [Line: 3879]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] - GenericResultAtLocation [Line: 3882]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] - GenericResultAtLocation [Line: 3888]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] - GenericResultAtLocation [Line: 3891]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] - GenericResultAtLocation [Line: 3897]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] - GenericResultAtLocation [Line: 3900]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] - GenericResultAtLocation [Line: 3907]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] - GenericResultAtLocation [Line: 3910]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] - GenericResultAtLocation [Line: 3917]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] - GenericResultAtLocation [Line: 3920]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] - GenericResultAtLocation [Line: 3927]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] - GenericResultAtLocation [Line: 3930]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] - GenericResultAtLocation [Line: 3937]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] - GenericResultAtLocation [Line: 3940]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] - GenericResultAtLocation [Line: 3947]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] - GenericResultAtLocation [Line: 3950]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] - GenericResultAtLocation [Line: 3957]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] - GenericResultAtLocation [Line: 3960]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] - GenericResultAtLocation [Line: 3966]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] - GenericResultAtLocation [Line: 3969]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] - GenericResultAtLocation [Line: 3975]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] - GenericResultAtLocation [Line: 3978]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] - GenericResultAtLocation [Line: 3984]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] - GenericResultAtLocation [Line: 3987]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] - GenericResultAtLocation [Line: 3993]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] - GenericResultAtLocation [Line: 3996]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] - GenericResultAtLocation [Line: 4002]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] - GenericResultAtLocation [Line: 4005]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] - GenericResultAtLocation [Line: 4011]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] - GenericResultAtLocation [Line: 4014]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] - GenericResultAtLocation [Line: 4020]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] - GenericResultAtLocation [Line: 4023]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] - GenericResultAtLocation [Line: 4029]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] - GenericResultAtLocation [Line: 4032]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] - GenericResultAtLocation [Line: 4038]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] - GenericResultAtLocation [Line: 4041]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] - GenericResultAtLocation [Line: 4047]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] - GenericResultAtLocation [Line: 4050]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] - GenericResultAtLocation [Line: 4056]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] - GenericResultAtLocation [Line: 4059]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] - GenericResultAtLocation [Line: 4065]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] - GenericResultAtLocation [Line: 4068]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] - GenericResultAtLocation [Line: 4074]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] - GenericResultAtLocation [Line: 4077]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] - GenericResultAtLocation [Line: 4083]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] - GenericResultAtLocation [Line: 4086]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] - GenericResultAtLocation [Line: 4092]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] - GenericResultAtLocation [Line: 4095]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] - GenericResultAtLocation [Line: 4101]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] - GenericResultAtLocation [Line: 4103]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] - GenericResultAtLocation [Line: 4109]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] - GenericResultAtLocation [Line: 4111]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] - GenericResultAtLocation [Line: 4117]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] - GenericResultAtLocation [Line: 4119]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] - GenericResultAtLocation [Line: 4125]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] - GenericResultAtLocation [Line: 4127]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] - GenericResultAtLocation [Line: 4133]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] - GenericResultAtLocation [Line: 4135]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] - GenericResultAtLocation [Line: 4141]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] - GenericResultAtLocation [Line: 4143]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] - GenericResultAtLocation [Line: 4149]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] - GenericResultAtLocation [Line: 4151]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] - GenericResultAtLocation [Line: 4157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] - GenericResultAtLocation [Line: 4159]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] - GenericResultAtLocation [Line: 4165]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] - GenericResultAtLocation [Line: 4167]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] - GenericResultAtLocation [Line: 4173]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] - GenericResultAtLocation [Line: 4175]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33933, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 352, dependent conditional: 285, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33648, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 67, dependent conditional: 2, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33648, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 67, dependent conditional: 2, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33648, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 67, dependent conditional: 2, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 136, dependent conditional: 6, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 0, independent unconditional: 33581, dependent: 136, dependent conditional: 1, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 0, independent unconditional: 33581, dependent: 136, dependent conditional: 1, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30031, independent: 29965, independent conditional: 0, independent unconditional: 29965, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30031, independent: 29931, independent conditional: 0, independent unconditional: 29931, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10941, independent: 1401, independent conditional: 0, independent unconditional: 1401, dependent: 9541, dependent conditional: 110, dependent unconditional: 9431, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33717, independent: 3616, independent conditional: 0, independent unconditional: 3616, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 30031, unknown conditional: 1, unknown unconditional: 30030] , Statistics on independence cache: Total cache size (in pairs): 30031, Positive cache size: 29965, Positive conditional cache size: 0, Positive unconditional cache size: 29965, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 508, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 136, dependent conditional: 6, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 0, independent unconditional: 33581, dependent: 136, dependent conditional: 1, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 0, independent unconditional: 33581, dependent: 136, dependent conditional: 1, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30031, independent: 29965, independent conditional: 0, independent unconditional: 29965, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30031, independent: 29931, independent conditional: 0, independent unconditional: 29931, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10941, independent: 1401, independent conditional: 0, independent unconditional: 1401, dependent: 9541, dependent conditional: 110, dependent unconditional: 9431, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33717, independent: 3616, independent conditional: 0, independent unconditional: 3616, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 30031, unknown conditional: 1, unknown unconditional: 30030] , Statistics on independence cache: Total cache size (in pairs): 30031, Positive cache size: 29965, Positive conditional cache size: 0, Positive unconditional cache size: 29965, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 508 ], Independence queries for same thread: 285, Persistent sets #1 benchmarks: Persistent set computation time: 11.0s, Number of persistent set computation: 271, Number of trivial persistent sets: 225, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33143, independent: 33078, independent conditional: 0, independent unconditional: 33078, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33933, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 352, dependent conditional: 285, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33648, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 67, dependent conditional: 2, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33648, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 67, dependent conditional: 2, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33648, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 67, dependent conditional: 2, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 136, dependent conditional: 6, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 0, independent unconditional: 33581, dependent: 136, dependent conditional: 1, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 0, independent unconditional: 33581, dependent: 136, dependent conditional: 1, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30031, independent: 29965, independent conditional: 0, independent unconditional: 29965, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30031, independent: 29931, independent conditional: 0, independent unconditional: 29931, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10941, independent: 1401, independent conditional: 0, independent unconditional: 1401, dependent: 9541, dependent conditional: 110, dependent unconditional: 9431, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33717, independent: 3616, independent conditional: 0, independent unconditional: 3616, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 30031, unknown conditional: 1, unknown unconditional: 30030] , Statistics on independence cache: Total cache size (in pairs): 30031, Positive cache size: 29965, Positive conditional cache size: 0, Positive unconditional cache size: 29965, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 508, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 503, independent unconditional: 33078, dependent: 136, dependent conditional: 6, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 0, independent unconditional: 33581, dependent: 136, dependent conditional: 1, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33717, independent: 33581, independent conditional: 0, independent unconditional: 33581, dependent: 136, dependent conditional: 1, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30031, independent: 29965, independent conditional: 0, independent unconditional: 29965, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30031, independent: 29931, independent conditional: 0, independent unconditional: 29931, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 66, dependent conditional: 1, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10941, independent: 1401, independent conditional: 0, independent unconditional: 1401, dependent: 9541, dependent conditional: 110, dependent unconditional: 9431, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33717, independent: 3616, independent conditional: 0, independent unconditional: 3616, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 30031, unknown conditional: 1, unknown unconditional: 30030] , Statistics on independence cache: Total cache size (in pairs): 30031, Positive cache size: 29965, Positive conditional cache size: 0, Positive unconditional cache size: 29965, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 508 ], Independence queries for same thread: 285 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2384, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 23, dependent conditional: 19, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2302, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2302, independent: 2294, independent conditional: 0, independent unconditional: 2294, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 562, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 378, dependent conditional: 0, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2369, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2302, unknown conditional: 0, unknown unconditional: 2302] , Statistics on independence cache: Total cache size (in pairs): 2302, Positive cache size: 2298, Positive conditional cache size: 0, Positive unconditional cache size: 2298, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2302, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2302, independent: 2294, independent conditional: 0, independent unconditional: 2294, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 562, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 378, dependent conditional: 0, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2369, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2302, unknown conditional: 0, unknown unconditional: 2302] , Statistics on independence cache: Total cache size (in pairs): 2302, Positive cache size: 2298, Positive conditional cache size: 0, Positive unconditional cache size: 2298, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24 ], Independence queries for same thread: 19, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 17, Number of trivial persistent sets: 17, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2341, independent: 2337, independent conditional: 0, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2384, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 23, dependent conditional: 19, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2365, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2302, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2302, independent: 2294, independent conditional: 0, independent unconditional: 2294, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 562, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 378, dependent conditional: 0, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2369, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2302, unknown conditional: 0, unknown unconditional: 2302] , Statistics on independence cache: Total cache size (in pairs): 2302, Positive cache size: 2298, Positive conditional cache size: 0, Positive unconditional cache size: 2298, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 24, independent unconditional: 2337, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2369, independent: 2361, independent conditional: 0, independent unconditional: 2361, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2302, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2302, independent: 2294, independent conditional: 0, independent unconditional: 2294, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 562, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 378, dependent conditional: 0, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2369, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 2302, unknown conditional: 0, unknown unconditional: 2302] , Statistics on independence cache: Total cache size (in pairs): 2302, Positive cache size: 2298, Positive conditional cache size: 0, Positive unconditional cache size: 2298, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24 ], Independence queries for same thread: 19 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 343526, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 21246, dependent conditional: 21029, dependent unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 322546, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 266, dependent conditional: 55, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322546, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 266, dependent conditional: 55, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 322546, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 266, dependent conditional: 55, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 541, dependent conditional: 119, dependent unconditional: 422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 0, independent unconditional: 322280, dependent: 541, dependent conditional: 7, dependent unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 0, independent unconditional: 322280, dependent: 541, dependent conditional: 7, dependent unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 163043, independent: 162831, independent conditional: 0, independent unconditional: 162831, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 163043, independent: 162759, independent conditional: 0, independent unconditional: 162759, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 284, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 284, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44322, independent: 2337, independent conditional: 0, independent unconditional: 2337, dependent: 41985, dependent conditional: 136, dependent unconditional: 41849, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 322821, independent: 159449, independent conditional: 0, independent unconditional: 159449, dependent: 329, dependent conditional: 6, dependent unconditional: 323, unknown: 163043, unknown conditional: 1, unknown unconditional: 163042] , Statistics on independence cache: Total cache size (in pairs): 163043, Positive cache size: 162831, Positive conditional cache size: 0, Positive unconditional cache size: 162831, Negative cache size: 212, Negative conditional cache size: 1, Negative unconditional cache size: 211, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 93061, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 541, dependent conditional: 119, dependent unconditional: 422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 0, independent unconditional: 322280, dependent: 541, dependent conditional: 7, dependent unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 0, independent unconditional: 322280, dependent: 541, dependent conditional: 7, dependent unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 163043, independent: 162831, independent conditional: 0, independent unconditional: 162831, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 163043, independent: 162759, independent conditional: 0, independent unconditional: 162759, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 284, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 284, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44322, independent: 2337, independent conditional: 0, independent unconditional: 2337, dependent: 41985, dependent conditional: 136, dependent unconditional: 41849, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 322821, independent: 159449, independent conditional: 0, independent unconditional: 159449, dependent: 329, dependent conditional: 6, dependent unconditional: 323, unknown: 163043, unknown conditional: 1, unknown unconditional: 163042] , Statistics on independence cache: Total cache size (in pairs): 163043, Positive cache size: 162831, Positive conditional cache size: 0, Positive unconditional cache size: 162831, Negative cache size: 212, Negative conditional cache size: 1, Negative unconditional cache size: 211, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 93061 ], Independence queries for same thread: 20980, Persistent sets #1 benchmarks: Persistent set computation time: 44.9s, Number of persistent set computation: 8170, Number of trivial persistent sets: 7655, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229542, independent: 229331, independent conditional: 0, independent unconditional: 229331, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 343526, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 21246, dependent conditional: 21029, dependent unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 322546, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 266, dependent conditional: 55, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322546, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 266, dependent conditional: 55, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 322546, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 266, dependent conditional: 55, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 541, dependent conditional: 119, dependent unconditional: 422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 0, independent unconditional: 322280, dependent: 541, dependent conditional: 7, dependent unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 0, independent unconditional: 322280, dependent: 541, dependent conditional: 7, dependent unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 163043, independent: 162831, independent conditional: 0, independent unconditional: 162831, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 163043, independent: 162759, independent conditional: 0, independent unconditional: 162759, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 284, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 284, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44322, independent: 2337, independent conditional: 0, independent unconditional: 2337, dependent: 41985, dependent conditional: 136, dependent unconditional: 41849, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 322821, independent: 159449, independent conditional: 0, independent unconditional: 159449, dependent: 329, dependent conditional: 6, dependent unconditional: 323, unknown: 163043, unknown conditional: 1, unknown unconditional: 163042] , Statistics on independence cache: Total cache size (in pairs): 163043, Positive cache size: 162831, Positive conditional cache size: 0, Positive unconditional cache size: 162831, Negative cache size: 212, Negative conditional cache size: 1, Negative unconditional cache size: 211, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 93061, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 92949, independent unconditional: 229331, dependent: 541, dependent conditional: 119, dependent unconditional: 422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 0, independent unconditional: 322280, dependent: 541, dependent conditional: 7, dependent unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 322821, independent: 322280, independent conditional: 0, independent unconditional: 322280, dependent: 541, dependent conditional: 7, dependent unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 163043, independent: 162831, independent conditional: 0, independent unconditional: 162831, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 163043, independent: 162759, independent conditional: 0, independent unconditional: 162759, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 284, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 284, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 212, dependent conditional: 1, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44322, independent: 2337, independent conditional: 0, independent unconditional: 2337, dependent: 41985, dependent conditional: 136, dependent unconditional: 41849, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 322821, independent: 159449, independent conditional: 0, independent unconditional: 159449, dependent: 329, dependent conditional: 6, dependent unconditional: 323, unknown: 163043, unknown conditional: 1, unknown unconditional: 163042] , Statistics on independence cache: Total cache size (in pairs): 163043, Positive cache size: 162831, Positive conditional cache size: 0, Positive unconditional cache size: 162831, Negative cache size: 212, Negative conditional cache size: 1, Negative unconditional cache size: 211, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 93061 ], Independence queries for same thread: 20980 - UnprovableResult [Line: 3928]: 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 3928. Possible FailurePath: [L6033] 0 static vuint32_t g_cs_x = 0; [L6034] 0 static vuint32_t g_cs_y = 0; [L6095] 0 rwlock_t lock = { .n = ((1U << 30U)), .wb = { ._v = 0 }, .rs = { .s = { ._v = ((1U << 30U)) } }, }; [L6076] 0 pthread_t t[(2 + 2)]; [L6077] FCALL 0 init() [L6078] FCALL 0 verification_loop_bound(2 + 1) [L6079] 0 vuintptr_t i = 0; VAL [g_cs_x=0, g_cs_y=0, i=0, lock={4:0}, t={6:0}] [L6079] COND TRUE 0 i < 2 [L6080] FCALL, FORK 0 pthread_create(&t[i], 0, writer, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=0, lock={4:0}, t={6:0}] [L6058] 1 vuint32_t tid = (vuint32_t)(vuintptr_t)arg; [L6059] CALL 1 writer_acquire(tid) [L6079] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=1, lock={4:0}, t={6:0}] [L6079] COND TRUE 0 i < 2 [L6080] FCALL, FORK 0 pthread_create(&t[i], 0, writer, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=1, lock={4:0}, t={6:0}] [L6058] 2 vuint32_t tid = (vuint32_t)(vuintptr_t)arg; [L6059] CALL 2 writer_acquire(tid) [L6079] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=2, lock={4:0}, t={6:0}] [L6079] COND FALSE 0 !(i < 2) [L6082] CALL 0 verification_loop_bound((2 + 2) + 1) [L6100] CALL 1 rwlock_write_acquire(&lock) [L5413] CALL 1 vatomic32_await_eq_set_rlx(&l->wb, 0, 1U) [L2570] CALL 1 vatomic32_await_eq_set(a, c, v) [L5335] CALL 1 vatomic32_await_eq(a, c) [L4838] 1 vuint32_t ret = c; [L4839] 1 vuint32_t o = 0; [L4840] FCALL 1 verification_loop_begin() [L6100] CALL 2 rwlock_write_acquire(&lock) [L5413] CALL 2 vatomic32_await_eq_set_rlx(&l->wb, 0, 1U) [L2570] CALL 2 vatomic32_await_eq_set(a, c, v) [L4840] EXPR, FCALL 1 verification_spin_start() [L4840] CALL, EXPR 1 vatomic32_read(a) [L3779] EXPR 1 a->_v VAL [\old(a)={4:4}, a={4:4}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 1 return tmp; [L4840] RET, EXPR 1 vatomic32_read(a) [L4840] EXPR 1 o = vatomic32_read(a) VAL [\old(a)={4:4}, \old(c)=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] EXPR 1 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) [L4840] CALL 1 verification_spin_end(1) [L5335] CALL 2 vatomic32_await_eq(a, c) [L4838] 2 vuint32_t ret = c; [L4839] 2 vuint32_t o = 0; [L4840] FCALL 2 verification_loop_begin() [L6082] RET 0 verification_loop_bound((2 + 2) + 1) [L6083] 0 vuintptr_t i = 2; VAL [g_cs_x=0, g_cs_y=0, i=2, lock={4:0}, t={6:0}] [L4840] FCALL 2 verification_spin_start() [L4840] CALL, EXPR 2 vatomic32_read(a) [L3779] EXPR 2 a->_v VAL [\old(a)={4:4}, \result=0, a={4:4}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 2 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 2 return tmp; [L4840] RET, EXPR 2 vatomic32_read(a) [L4840] EXPR 2 o = vatomic32_read(a) VAL [\old(a)={4:4}, \old(c)=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] 2 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) [L4840] CALL 2 verification_spin_end(1) [L6083] COND TRUE 0 i < (2 + 2) [L6084] FCALL, FORK 0 pthread_create(&t[i], 0, reader, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=2, lock={4:0}, t={6:0}] [L6083] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=3, lock={4:0}, t={6:0}] [L6067] 3 vuint32_t tid = (vuint32_t)(vuintptr_t)arg; [L6068] CALL 3 reader_acquire(tid) [L6083] COND TRUE 0 i < (2 + 2) [L6084] FCALL, FORK 0 pthread_create(&t[i], 0, reader, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=3, lock={4:0}, t={6:0}] [L6083] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=4, lock={4:0}, t={6:0}] [L6067] 4 vuint32_t tid = (vuint32_t)(vuintptr_t)arg; [L6068] CALL 4 reader_acquire(tid) [L4840] RET, EXPR 1 verification_spin_end(1) [L4840] EXPR 1 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) VAL [\old(a)={4:4}, \old(c)=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] COND FALSE 1 !((verification_spin_start(), ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0))) [L4844] 1 return ret; [L5335] RET 1 vatomic32_await_eq(a, c) [L5336] CALL 1 vatomic32_cmpxchg(a, c, v) [L3926] 1 vuint32_t exp = (vuint32_t)e; VAL [\old(a)={4:4}, \old(e)=0, \old(v)=1, a={4:4}, e=0, exp=0, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1] [L6083] COND FALSE 0 !(i < (2 + 2)) [L6086] FCALL 0 post() [L6087] CALL 0 verification_loop_bound((2 + 2) + 1) [L3928-L3929] 1 __atomic_compare_exchange_n(&a->_v, &exp, (vuint32_t)v, 0, 5, 5) VAL [\old(a)={4:4}, \old(e)=0, \old(v)=1, a={4:4}, e=0, exp=0, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1] [L4840] RET, EXPR 2 verification_spin_end(1) [L4840] EXPR 2 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) VAL [\old(a)={4:4}, \old(c)=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] COND FALSE 2 !((verification_spin_start(), ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0))) [L4844] 2 return ret; [L5335] RET 2 vatomic32_await_eq(a, c) [L5336] CALL 2 vatomic32_cmpxchg(a, c, v) [L3926] 2 vuint32_t exp = (vuint32_t)e; VAL [\old(a)={4:4}, \old(e)=0, \old(v)=1, a={4:4}, e=0, exp=0, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1] [L6112] CALL 3 rwlock_read_acquire(&lock) [L5437] CALL 3 vatomic32_await_eq_rlx(&l->wb, 0) [L2255] CALL, EXPR 3 vatomic32_await_eq(a, v) [L4838] 3 vuint32_t ret = c; [L4839] 3 vuint32_t o = 0; [L4840] FCALL 3 verification_loop_begin() [L3928-L3929] 2 __atomic_compare_exchange_n(&a->_v, &exp, (vuint32_t)v, 0, 5, 5) VAL [\old(a)={4:4}, \old(e)=0, \old(v)=1, a={4:4}, e=0, exp=0, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1] [L4840] EXPR, FCALL 3 verification_spin_start() [L4840] CALL, EXPR 3 vatomic32_read(a) [L3779] EXPR 3 a->_v VAL [\old(a)={4:4}, \result=0, a={4:4}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 3 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 3 return tmp; [L4840] RET, EXPR 3 vatomic32_read(a) [L4840] EXPR 3 o = vatomic32_read(a) VAL [\old(a)={4:4}, \old(c)=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] EXPR 3 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) [L4840] CALL 3 verification_spin_end(1) [L6112] CALL 4 rwlock_read_acquire(&lock) [L5437] CALL 4 vatomic32_await_eq_rlx(&l->wb, 0) [L2255] CALL 4 vatomic32_await_eq(a, v) [L4838] 4 vuint32_t ret = c; [L4839] 4 vuint32_t o = 0; [L4840] FCALL 4 verification_loop_begin() [L6087] RET 0 verification_loop_bound((2 + 2) + 1) [L6088] 0 vuintptr_t i = 0; VAL [g_cs_x=0, g_cs_y=0, i=0, lock={4:0}, t={6:0}] [L4840] FCALL 4 verification_spin_start() [L4840] CALL, EXPR 4 vatomic32_read(a) [L3779] EXPR 4 a->_v VAL [\old(a)={4:4}, \result=0, \result=0, a={4:4}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 4 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 4 return tmp; [L4840] RET, EXPR 4 vatomic32_read(a) [L4840] EXPR 4 o = vatomic32_read(a) VAL [\old(a)={4:4}, \old(c)=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] 4 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) [L4840] CALL 4 verification_spin_end(1) [L6088] COND TRUE 0 i < (2 + 2) [L6089] 0 t[i] VAL [g_cs_x=0, g_cs_y=0, i=0, lock={4:0}, t={6:0}] [L4840] RET, EXPR 3 verification_spin_end(1) [L4840] EXPR 3 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) VAL [\old(a)={4:4}, \old(c)=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] COND FALSE 3 !((verification_spin_start(), ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0))) [L4844] 3 return ret; [L2255] RET, EXPR 3 vatomic32_await_eq(a, v) [L2255] 3 return vatomic32_await_eq(a, v); [L5437] RET 3 vatomic32_await_eq_rlx(&l->wb, 0) [L5438] CALL 3 semaphore_acquire(&l->rs, 1U) [L5382] CALL 3 vatomic32_await_ge_sub_acq(&s->s, i, i) [L2425] CALL 3 vatomic32_await_ge_sub(a, c, v) [L5034] 3 vuint32_t cur = 0; [L5035] CALL, EXPR 3 vatomic32_read(a) [L3779] EXPR 3 a->_v VAL [\old(a)={4:8}, \result=0, \result=0, a={4:8}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 3 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 3 return tmp; [L5035] RET, EXPR 3 vatomic32_read(a) [L5035] 3 vuint32_t old = vatomic32_read(a); [L5037] 3 cur = old VAL [\old(a)={4:8}, \old(c)=1, \old(v)=1, a={4:8}, c=1, cur=1073741824, g_cs_x=0, g_cs_y=0, lock={4:0}, old=1073741824, v=1] [L4840] RET, EXPR 4 verification_spin_end(1) [L4840] EXPR 4 ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0) VAL [\old(a)={4:4}, \old(c)=0, \result=0, \result=0, a={4:4}, c=0, g_cs_x=0, g_cs_y=0, lock={4:0}, o=0, ret=0] [L4840] COND FALSE 4 !((verification_spin_start(), ((o = vatomic32_read(a)) != c) ? 1 : (verification_spin_end(1), 0))) [L4844] 4 return ret; [L2255] RET, EXPR 4 vatomic32_await_eq(a, v) [L2255] 4 return vatomic32_await_eq(a, v); [L5437] RET 4 vatomic32_await_eq_rlx(&l->wb, 0) [L5438] CALL 4 semaphore_acquire(&l->rs, 1U) [L5382] CALL 4 vatomic32_await_ge_sub_acq(&s->s, i, i) [L2425] CALL 4 vatomic32_await_ge_sub(a, c, v) [L5034] 4 vuint32_t cur = 0; [L5035] CALL, EXPR 4 vatomic32_read(a) [L3779] EXPR 4 a->_v VAL [\old(a)={4:8}, \result=0, \result=1073741824, a={4:8}, g_cs_x=0, g_cs_y=0, lock={4:0}] [L3779] 4 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 4 return tmp; [L5035] RET, EXPR 4 vatomic32_read(a) [L5035] 4 vuint32_t old = vatomic32_read(a); [L5038] COND FALSE 3 !(!(cur >= c)) [L5041] CALL 3 vatomic32_cmpxchg(a, cur, cur - v) [L3926] 3 vuint32_t exp = (vuint32_t)e; VAL [\old(a)={4:4}, \old(a)={4:8}, \old(e)=0, \old(e)=1073741824, \old(v)=1, \old(v)=1073741823, a={4:4}, a={4:8}, e=0, e=1073741824, exp=0, exp=1073741824, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1, v=1073741823] [L5037] 4 cur = old VAL [\old(a)={4:8}, \old(c)=1, \old(v)=1, a={4:8}, c=1, cur=1073741824, g_cs_x=0, g_cs_y=0, lock={4:0}, old=1073741824, v=1] [L3928-L3929] 3 __atomic_compare_exchange_n(&a->_v, &exp, (vuint32_t)v, 0, 5, 5) VAL [\old(a)={4:4}, \old(a)={4:8}, \old(e)=0, \old(e)=1073741824, \old(v)=1, \old(v)=1073741823, a={4:4}, a={4:8}, e=0, e=1073741824, exp=0, exp=1073741824, g_cs_x=0, g_cs_y=0, lock={4:0}, v=1, v=1073741823] - UnprovableResult [Line: 6047]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 336 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 11.4s, 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: 6, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 587 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 51/53 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: 2, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 336 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of2ForFork0 with 1 thread instances CFG has 7 procedures, 484 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 56.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 50.3s, 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: 51, 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: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1951 NumberOfCodeBlocks, 1951 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2008 ConstructedInterpolants, 0 QuantifiedInterpolants, 2869 SizeOfPredicates, 111 NumberOfNonLiveVariables, 5068 ConjunctsInSsa, 133 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 1462/1472 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: 20, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-17 09:56:22,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Ended with exit code 0 [2024-10-17 09:56:23,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2024-10-17 09:56:23,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-17 09:56:23,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample