./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/libvsync/rec_mcslock.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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/rec_mcslock.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 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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 [2024-10-18 17:58:56,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 17:58:56,777 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 17:58:56,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 17:58:56,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 17:58:56,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 17:58:56,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 17:58:56,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 17:58:56,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 17:58:56,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 17:58:56,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 17:58:56,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 17:58:56,814 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 17:58:56,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 17:58:56,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 17:58:56,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 17:58:56,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 17:58:56,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 17:58:56,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 17:58:56,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 17:58:56,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 17:58:56,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 17:58:56,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 17:58:56,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 17:58:56,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 17:58:56,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 17:58:56,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 17:58:56,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 17:58:56,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 17:58:56,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 17:58:56,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:58:56,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 17:58:56,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 17:58:56,842 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 17:58:56,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 17:58:56,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 17:58:56,845 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 17:58:56,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 17:58:56,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 17:58:56,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 17:58:56,846 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 17:58:56,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 17:58:57,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 17:58:57,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 17:58:57,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 17:58:57,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 17:58:57,110 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 17:58:57,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/libvsync/rec_mcslock.i [2024-10-18 17:58:58,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 17:58:59,050 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 17:58:59,052 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_mcslock.i [2024-10-18 17:58:59,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0732c2d73/151473a2e73a4c94adf7624ef5668c8d/FLAGb71397d9c [2024-10-18 17:58:59,114 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0732c2d73/151473a2e73a4c94adf7624ef5668c8d [2024-10-18 17:58:59,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 17:58:59,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 17:58:59,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 17:58:59,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 17:58:59,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 17:58:59,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:58:59" (1/1) ... [2024-10-18 17:58:59,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7064d584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:58:59, skipping insertion in model container [2024-10-18 17:58:59,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:58:59" (1/1) ... [2024-10-18 17:58:59,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 17:59:00,992 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/rec_mcslock.i[173235,173248] [2024-10-18 17:59:01,003 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/rec_mcslock.i[173609,173622] [2024-10-18 17:59:01,203 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/rec_mcslock.i[196613,196626] [2024-10-18 17:59:01,204 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/rec_mcslock.i[196680,196693] [2024-10-18 17:59:01,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:59:01,234 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 17:59:01,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-10-18 17:59:01,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-10-18 17:59:01,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-10-18 17:59:01,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-10-18 17:59:01,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-10-18 17:59:01,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-10-18 17:59:01,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-10-18 17:59:01,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-10-18 17:59:01,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-10-18 17:59:01,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-10-18 17:59:01,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-10-18 17:59:01,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-10-18 17:59:01,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-10-18 17:59:01,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-10-18 17:59:01,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-10-18 17:59:01,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-10-18 17:59:01,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-10-18 17:59:01,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-10-18 17:59:01,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-10-18 17:59:01,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-10-18 17:59:01,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-10-18 17:59:01,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-10-18 17:59:01,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-10-18 17:59:01,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-10-18 17:59:01,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-10-18 17:59:01,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-10-18 17:59:01,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-10-18 17:59:01,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-10-18 17:59:01,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-10-18 17:59:01,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-10-18 17:59:01,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-10-18 17:59:01,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-10-18 17:59:01,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-10-18 17:59:01,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-10-18 17:59:01,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-10-18 17:59:01,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-10-18 17:59:01,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-10-18 17:59:01,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-10-18 17:59:01,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-10-18 17:59:01,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-10-18 17:59:01,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-10-18 17:59:01,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-10-18 17:59:01,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-10-18 17:59:01,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-10-18 17:59:01,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-10-18 17:59:01,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-10-18 17:59:01,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-10-18 17:59:01,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-10-18 17:59:01,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-10-18 17:59:01,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-10-18 17:59:01,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-10-18 17:59:01,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-10-18 17:59:01,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-10-18 17:59:01,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-10-18 17:59:01,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-10-18 17:59:01,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-10-18 17:59:01,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-10-18 17:59:01,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-10-18 17:59:01,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-10-18 17:59:01,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-10-18 17:59:01,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-10-18 17:59:01,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-10-18 17:59:01,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-10-18 17:59:01,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-10-18 17:59:01,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-10-18 17:59:01,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-10-18 17:59:01,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-10-18 17:59:01,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-10-18 17:59:01,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-10-18 17:59:01,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-10-18 17:59:01,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-10-18 17:59:01,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-10-18 17:59:01,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-10-18 17:59:01,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-10-18 17:59:01,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-10-18 17:59:01,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-10-18 17:59:01,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-10-18 17:59:01,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-10-18 17:59:01,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-10-18 17:59:01,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-10-18 17:59:01,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-10-18 17:59:01,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-10-18 17:59:01,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-10-18 17:59:01,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-10-18 17:59:01,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-10-18 17:59:01,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-10-18 17:59:01,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-10-18 17:59:01,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-10-18 17:59:01,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-10-18 17:59:01,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-10-18 17:59:01,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-10-18 17:59:01,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-10-18 17:59:01,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-10-18 17:59:01,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-10-18 17:59:01,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-10-18 17:59:01,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-10-18 17:59:01,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-10-18 17:59:01,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-10-18 17:59:01,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-10-18 17:59:01,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-10-18 17:59:01,511 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/rec_mcslock.i[173235,173248] [2024-10-18 17:59:01,514 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/rec_mcslock.i[173609,173622] [2024-10-18 17:59:01,525 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/rec_mcslock.i[196613,196626] [2024-10-18 17:59:01,525 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/rec_mcslock.i[196680,196693] [2024-10-18 17:59:01,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:59:01,774 INFO L204 MainTranslator]: Completed translation [2024-10-18 17:59:01,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01 WrapperNode [2024-10-18 17:59:01,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 17:59:01,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 17:59:01,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 17:59:01,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 17:59:01,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,921 INFO L138 Inliner]: procedures = 924, calls = 939, calls flagged for inlining = 834, calls inlined = 53, statements flattened = 495 [2024-10-18 17:59:01,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 17:59:01,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 17:59:01,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 17:59:01,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 17:59:01,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:01,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 17:59:01,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 17:59:01,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 17:59:01,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 17:59:01,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (1/1) ... [2024-10-18 17:59:02,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:59:02,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:59:02,041 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) [2024-10-18 17:59:02,047 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 [2024-10-18 17:59:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 17:59:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 17:59:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-18 17:59:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 17:59:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 17:59:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-10-18 17:59:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-10-18 17:59:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-18 17:59:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-18 17:59:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 17:59:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-18 17:59:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-18 17:59:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 17:59:02,098 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 17:59:02,299 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 17:59:02,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 17:59:02,947 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 17:59:02,947 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 17:59:03,323 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 17:59:03,324 INFO L314 CfgBuilder]: Removed 72 assume(true) statements. [2024-10-18 17:59:03,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:59:03 BoogieIcfgContainer [2024-10-18 17:59:03,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 17:59:03,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 17:59:03,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 17:59:03,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 17:59:03,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 05:58:59" (1/3) ... [2024-10-18 17:59:03,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a6ee39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:59:03, skipping insertion in model container [2024-10-18 17:59:03,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:01" (2/3) ... [2024-10-18 17:59:03,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a6ee39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:59:03, skipping insertion in model container [2024-10-18 17:59:03,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:59:03" (3/3) ... [2024-10-18 17:59:03,335 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_mcslock.i [2024-10-18 17:59:03,352 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 17:59:03,352 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-18 17:59:03,352 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 17:59:03,469 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-18 17:59:03,519 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 17:59:03,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 17:59:03,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:59:03,522 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) [2024-10-18 17:59:03,523 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 [2024-10-18 17:59:03,711 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 17:59:16,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:59:16,400 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == runThread1of1ForFork0 ======== [2024-10-18 17:59:16,406 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;@42a279e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 17:59:16,407 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-18 17:59:17,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr0ASSERT_VIOLATIONERROR_FUNCTION === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 17:59:17,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:59:17,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1942777702, now seen corresponding path program 1 times [2024-10-18 17:59:17,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:59:17,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708612216] [2024-10-18 17:59:17,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:17,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:59:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 17:59:17,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:59:17,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708612216] [2024-10-18 17:59:17,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708612216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:59:17,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:59:17,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 17:59:17,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265173991] [2024-10-18 17:59:17,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:59:17,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-18 17:59:17,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:59:17,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-18 17:59:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-18 17:59:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:17,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:59:17,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2024-10-18 17:59:17,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:17,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 17:59:17,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting runErr0ASSERT_VIOLATIONERROR_FUNCTION === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 17:59:17,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:59:17,752 INFO L85 PathProgramCache]: Analyzing trace with hash -546288379, now seen corresponding path program 1 times [2024-10-18 17:59:17,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:59:17,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787454626] [2024-10-18 17:59:17,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:17,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:59:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:59:18,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:59:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787454626] [2024-10-18 17:59:18,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787454626] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:59:18,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887268793] [2024-10-18 17:59:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:18,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:59:18,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:59:18,268 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) [2024-10-18 17:59:18,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 17:59:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:18,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-18 17:59:18,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:59:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:59:18,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:59:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:59:18,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887268793] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:59:18,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:59:18,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-10-18 17:59:18,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324271651] [2024-10-18 17:59:18,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:59:18,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-18 17:59:18,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:59:18,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 17:59:18,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-18 17:59:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:18,681 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:59:18,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 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) [2024-10-18 17:59:18,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:18,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:19,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 17:59:19,238 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,SelfDestructingSolverStorable1 [2024-10-18 17:59:19,239 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 17:59:19,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:59:19,240 INFO L85 PathProgramCache]: Analyzing trace with hash -310012970, now seen corresponding path program 1 times [2024-10-18 17:59:19,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:59:19,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640879980] [2024-10-18 17:59:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:19,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:59:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 17:59:19,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:59:19,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640879980] [2024-10-18 17:59:19,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640879980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:59:19,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:59:19,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 17:59:19,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23642816] [2024-10-18 17:59:19,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:59:19,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 17:59:19,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:59:19,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 17:59:19,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 17:59:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:19,343 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:59:19,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-18 17:59:19,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:19,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:19,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:19,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:19,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:19,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 17:59:19,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-18 17:59:19,487 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 17:59:19,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:59:19,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1698111489, now seen corresponding path program 1 times [2024-10-18 17:59:19,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:59:19,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580949290] [2024-10-18 17:59:19,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:19,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:59:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:59:19,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:59:19,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580949290] [2024-10-18 17:59:19,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580949290] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:59:19,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951666620] [2024-10-18 17:59:19,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:19,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:59:19,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:59:19,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:59:19,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 17:59:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:20,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-10-18 17:59:20,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:59:20,203 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:59:20,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-10-18 17:59:20,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 17:59:20,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 17:59:20,653 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 [2024-10-18 17:59:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:59:20,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:59:20,902 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_116 (Array Int Int))) (< (+ |c_runThread1of1ForFork0_#in~arg#1.base| |c_runThread1of1ForFork0_#in~arg#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_116) |c_~#lock~0.base|) (+ |c_~#lock~0.offset| 4)))) is different from false [2024-10-18 17:59:21,000 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_116 (Array Int Int))) (< 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_116) |c_~#lock~0.base|) (+ |c_~#lock~0.offset| 4)))) is different from false [2024-10-18 17:59:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-10-18 17:59:21,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951666620] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:59:21,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:59:21,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 26 [2024-10-18 17:59:21,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575553539] [2024-10-18 17:59:21,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:59:21,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-18 17:59:21,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:59:21,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-18 17:59:21,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=472, Unknown=19, NotChecked=90, Total=650 [2024-10-18 17:59:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:21,034 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:59:21,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.5) internal successors, (117), 26 states have internal predecessors, (117), 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) [2024-10-18 17:59:21,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:21,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:21,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 17:59:21,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:22,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:22,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 17:59:22,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:59:22,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 17:59:22,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:59:22,289 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 17:59:22,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:59:22,289 INFO L85 PathProgramCache]: Analyzing trace with hash -100294912, now seen corresponding path program 1 times [2024-10-18 17:59:22,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:59:22,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935499601] [2024-10-18 17:59:22,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:22,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:59:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:59:24,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:59:24,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935499601] [2024-10-18 17:59:24,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935499601] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:59:24,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268812237] [2024-10-18 17:59:24,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:24,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:59:24,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:59:24,938 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:59:24,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 17:59:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:25,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-10-18 17:59:25,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:59:25,519 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 17:59:25,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-10-18 17:59:25,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 17:59:25,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 17:59:26,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 17:59:26,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 17:59:26,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2024-10-18 17:59:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 17:59:26,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2024-10-18 17:59:26,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 19 treesize of output 11 [2024-10-18 17:59:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:59:26,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:59:37,932 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_223 Int) (v_ArrVal_221 Int) (v_ArrVal_219 (Array Int Int)) (|v_runThread1of1ForFork0_vatomic32_write_~a#1.offset_34| Int) (v_ArrVal_220 (Array Int Int))) (or (< 0 (mod (+ (select (select (let ((.cse0 (let ((.cse1 (store (store |c_#memory_int| |c_runThread1of1ForFork0_vatomicptr_write_~a#1.base| v_ArrVal_219) |c_runThread1of1ForFork0_mcslock_acquire_~node#1.base| v_ArrVal_220))) (store .cse1 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.base| (store (select .cse1 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.base|) |c_runThread1of1ForFork0_mcslock_acquire_~l#1.offset| v_ArrVal_221))))) (store .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base| (store (select .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base|) |v_runThread1of1ForFork0_vatomic32_write_~a#1.offset_34| v_ArrVal_223))) |c_~#lock~0.base|) (+ |c_~#lock~0.offset| 8)) 1) 4294967296)) (< (+ |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.offset| 4) |v_runThread1of1ForFork0_vatomic32_write_~a#1.offset_34|))) is different from false [2024-10-18 17:59:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:59:39,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268812237] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:59:39,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:59:39,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 43 [2024-10-18 17:59:39,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337212937] [2024-10-18 17:59:39,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:59:39,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-10-18 17:59:39,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:59:39,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-10-18 17:59:39,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1540, Unknown=40, NotChecked=82, Total=1892 [2024-10-18 17:59:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:39,226 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:59:39,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.295454545454546) internal successors, (189), 43 states have internal predecessors, (189), 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) [2024-10-18 17:59:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:39,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 17:59:39,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:59:39,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:45,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:45,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:45,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 17:59:45,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:59:45,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 17:59:45,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 17:59:45,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:59:45,842 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 17:59:45,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:59:45,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1485253503, now seen corresponding path program 2 times [2024-10-18 17:59:45,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:59:45,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091027691] [2024-10-18 17:59:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:45,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:59:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:59:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:59:46,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:59:46,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091027691] [2024-10-18 17:59:46,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091027691] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:59:46,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670553862] [2024-10-18 17:59:46,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:59:46,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:59:46,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:59:46,090 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) [2024-10-18 17:59:46,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 17:59:46,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:59:46,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:59:46,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 17:59:46,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:59:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 17:59:46,444 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 17:59:46,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670553862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:59:46,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 17:59:46,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-18 17:59:46,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842913010] [2024-10-18 17:59:46,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:59:46,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 17:59:46,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:59:46,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 17:59:46,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-18 17:59:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:46,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:59:46,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-10-18 17:59:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 17:59:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:59:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 17:59:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:59:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 17:59:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 17:59:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:59:47,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 17:59:47,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:59:47,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 17:59:47,769 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,SelfDestructingSolverStorable5 [2024-10-18 17:59:47,770 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 17:59:47,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:59:47,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1845338856, now seen corresponding path program 1 times [2024-10-18 17:59:47,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:59:47,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562701297] [2024-10-18 17:59:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:59:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:59:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:59:47,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 17:59:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 17:59:47,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-18 17:59:47,970 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-18 17:59:47,971 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location runErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-18 17:59:47,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-18 17:59:47,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-18 17:59:47,979 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-10-18 17:59:47,982 INFO L312 ceAbstractionStarter]: Result for error location runThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2024-10-18 17:59:48,125 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 17:59:48,126 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 17:59:48,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 05:59:48 BasicIcfg [2024-10-18 17:59:48,129 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 17:59:48,129 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 17:59:48,129 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 17:59:48,129 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 17:59:48,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:59:03" (3/4) ... [2024-10-18 17:59:48,131 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-18 17:59:48,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 17:59:48,133 INFO L158 Benchmark]: Toolchain (without parser) took 49014.63ms. Allocated memory was 176.2MB in the beginning and 501.2MB in the end (delta: 325.1MB). Free memory was 113.7MB in the beginning and 280.0MB in the end (delta: -166.3MB). Peak memory consumption was 159.1MB. Max. memory is 16.1GB. [2024-10-18 17:59:48,133 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 176.2MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 17:59:48,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2655.95ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 113.5MB in the beginning and 162.8MB in the end (delta: -49.3MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2024-10-18 17:59:48,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.73ms. Allocated memory is still 255.9MB. Free memory was 162.8MB in the beginning and 154.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-18 17:59:48,134 INFO L158 Benchmark]: Boogie Preprocessor took 66.83ms. Allocated memory is still 255.9MB. Free memory was 154.5MB in the beginning and 150.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 17:59:48,134 INFO L158 Benchmark]: RCFGBuilder took 1335.05ms. Allocated memory is still 255.9MB. Free memory was 150.3MB in the beginning and 123.1MB in the end (delta: 27.1MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-10-18 17:59:48,135 INFO L158 Benchmark]: TraceAbstraction took 44801.34ms. Allocated memory was 255.9MB in the beginning and 501.2MB in the end (delta: 245.4MB). Free memory was 122.1MB in the beginning and 281.0MB in the end (delta: -158.9MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2024-10-18 17:59:48,136 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 501.2MB. Free memory was 281.0MB in the beginning and 280.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 17:59:48,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 176.2MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2655.95ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 113.5MB in the beginning and 162.8MB in the end (delta: -49.3MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.73ms. Allocated memory is still 255.9MB. Free memory was 162.8MB in the beginning and 154.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.83ms. Allocated memory is still 255.9MB. Free memory was 154.5MB in the beginning and 150.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1335.05ms. Allocated memory is still 255.9MB. Free memory was 150.3MB in the beginning and 123.1MB in the end (delta: 27.1MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * TraceAbstraction took 44801.34ms. Allocated memory was 255.9MB in the beginning and 501.2MB in the end (delta: 245.4MB). Free memory was 122.1MB in the beginning and 281.0MB in the end (delta: -158.9MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 501.2MB. Free memory was 281.0MB in the beginning and 280.0MB 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: 915, independent: 658, independent conditional: 101, independent unconditional: 557, dependent: 257, dependent conditional: 253, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 662, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 662, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 662, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 666, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 666, independent: 658, independent conditional: 32, independent unconditional: 626, 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: 666, independent: 658, independent conditional: 32, independent unconditional: 626, 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: 544, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 544, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 873, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 666, independent: 118, independent conditional: 32, independent unconditional: 86, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 544, unknown conditional: 0, unknown unconditional: 544] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, 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: 69, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 666, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 666, independent: 658, independent conditional: 32, independent unconditional: 626, 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: 666, independent: 658, independent conditional: 32, independent unconditional: 626, 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: 544, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 544, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 873, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 666, independent: 118, independent conditional: 32, independent unconditional: 86, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 544, unknown conditional: 0, unknown unconditional: 544] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, 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: 69 ], Independence queries for same thread: 253, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 90, Number of trivial persistent sets: 87, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 561, independent: 557, independent conditional: 0, independent unconditional: 557, 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: 915, independent: 658, independent conditional: 101, independent unconditional: 557, dependent: 257, dependent conditional: 253, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 662, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 662, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 662, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 666, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 666, independent: 658, independent conditional: 32, independent unconditional: 626, 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: 666, independent: 658, independent conditional: 32, independent unconditional: 626, 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: 544, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 544, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 873, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 666, independent: 118, independent conditional: 32, independent unconditional: 86, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 544, unknown conditional: 0, unknown unconditional: 544] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, 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: 69, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 666, independent: 658, independent conditional: 101, independent unconditional: 557, 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: 666, independent: 658, independent conditional: 32, independent unconditional: 626, 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: 666, independent: 658, independent conditional: 32, independent unconditional: 626, 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: 544, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 544, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 873, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 666, independent: 118, independent conditional: 32, independent unconditional: 86, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 544, unknown conditional: 0, unknown unconditional: 544] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, 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: 69 ], Independence queries for same thread: 253 - UnprovableResult [Line: 3958]: 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 3958, overapproximation of large string literal at line 5439. Possible FailurePath: [L5998] 0 static vuint32_t g_cs_x = 0; [L5999] 0 static vuint32_t g_cs_y = 0; [L6048] 0 rec_mcslock_t lock = { .lock = { .tail = { ._v = 0 } }, .owner = { ._v = (4294967295U) }, .count = 0, }; [L6049] 0 struct mcs_node_s nodes[3]; [L6033] 0 pthread_t t[3]; [L6034] FCALL 0 init() [L6035] FCALL 0 verification_loop_bound(3 + 1) [L6036] 0 vuintptr_t i = 0; VAL [g_cs_x=0, g_cs_y=0, i=0, lock={5:0}, nodes={6:0}, t={7:0}] [L6036] COND TRUE 0 i < 3 [L6037] FCALL, FORK 0 pthread_create(&t[i], 0, run, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=0, lock={5:0}, nodes={6:0}, t={7:0}] [L6015] 1 vuint32_t tid = (vuintptr_t)arg; [L6016] CALL 1 verification_loop_bound((0 + 2)) [L6036] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=1, lock={5:0}, nodes={6:0}, t={7:0}] [L6036] COND TRUE 0 i < 3 [L6037] FCALL, FORK 0 pthread_create(&t[i], 0, run, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=1, lock={5:0}, nodes={6:0}, t={7:0}] [L6016] RET 1 verification_loop_bound((0 + 2)) [L6017] 1 int i = 0; VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=0, g_cs_y=0, i=0, lock={5:0}, nodes={6:0}, tid=0] [L6017] COND TRUE 1 i == 0 || ((i) == 1 && ((tid) + 1 < (0) + 1)) [L6018] FCALL 1 verification_loop_bound((1 + 2)) [L6019] 1 int j = 0; VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=0, g_cs_y=0, i=0, j=0, lock={5:0}, nodes={6:0}, tid=0] [L6019] COND TRUE 1 j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1)) [L6020] CALL 1 acquire(tid) [L6053] CALL 1 rec_mcslock_acquire(&lock, tid, &nodes[tid]) [L5439] COND FALSE 1 !(!(id != (4294967295U) && "this value is reserved")) VAL [\old(ctx)={6:0}, \old(id)=0, \old(l)={5:0}, ctx={6:0}, g_cs_x=0, g_cs_y=0, id=0, l={5:0}, lock={5:0}, nodes={6:0}] [L5439] CALL, EXPR 1 vatomic32_read_rlx(&l->owner) [L1885] CALL, EXPR 1 vatomic32_read(a) [L3779] EXPR 1 a->_v VAL [\old(a)={5:4}, a={5:4}, g_cs_x=0, g_cs_y=0, lock={5:0}, nodes={6:0}] [L3779] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 1 return tmp; [L1885] RET, EXPR 1 vatomic32_read(a) [L1885] 1 return vatomic32_read(a); [L5439] RET, EXPR 1 vatomic32_read_rlx(&l->owner) [L5439] COND FALSE 1 !(vatomic32_read_rlx(&l->owner) == id) [L5439] CALL 1 mcslock_acquire(&l->lock , ctx) [L5395] 1 mcs_node_t *pred; [L5396] CALL 1 vatomicptr_write_rlx(&node->next, ((void *)0)) [L3665] CALL 1 vatomicptr_write(a, v) [L3665] RET 1 vatomicptr_write(a, v) [L5396] RET 1 vatomicptr_write_rlx(&node->next, ((void *)0)) [L5397] CALL 1 vatomic32_write_rlx(&node->locked, 1) [L1895] CALL 1 vatomic32_write(a, v) [L1895] RET 1 vatomic32_write(a, v) [L5397] RET 1 vatomic32_write_rlx(&node->locked, 1) [L5398] CALL, EXPR 1 vatomicptr_xchg(&l->tail, node) [L3899] EXPR 1 a->_v [L3898-L3899] 1 void *tmp = (void *)__atomic_exchange_n(&a->_v, (void *)v, 5); [L3901] 1 return tmp; [L5398] RET, EXPR 1 vatomicptr_xchg(&l->tail, node) [L5398] 1 pred = (mcs_node_t *)vatomicptr_xchg(&l->tail, node) [L5399] COND FALSE 1 !(\read(*pred)) VAL [\old(l)={5:0}, \old(node)={6:0}, g_cs_x=0, g_cs_y=0, l={5:0}, lock={5:0}, node={6:0}, nodes={6:0}, pred={0:0}] [L5439] RET 1 mcslock_acquire(&l->lock , ctx) [L5439] CALL 1 vatomic32_write_rlx(&l->owner, id) [L1895] CALL 1 vatomic32_write(a, v) [L1895] RET 1 vatomic32_write(a, v) [L5439] RET 1 vatomic32_write_rlx(&l->owner, id) [L6053] RET 1 rec_mcslock_acquire(&lock, tid, &nodes[tid]) [L6020] RET 1 acquire(tid) [L6021] CALL 1 cs() [L6003] 1 g_cs_x++ [L6004] 1 g_cs_y++ [L6021] RET 1 cs() [L6019] 1 j++ VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=1, g_cs_y=1, i=0, j=1, lock={5:0}, nodes={6:0}, tid=0] [L6019] COND TRUE 1 j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1)) [L6020] CALL 1 acquire(tid) [L6053] CALL 1 rec_mcslock_acquire(&lock, tid, &nodes[tid]) [L5439] COND FALSE 1 !(!(id != (4294967295U) && "this value is reserved")) VAL [\old(ctx)={6:0}, \old(id)=0, \old(l)={5:0}, ctx={6:0}, g_cs_x=1, g_cs_y=1, id=0, l={5:0}, lock={5:0}, nodes={6:0}] [L5439] CALL, EXPR 1 vatomic32_read_rlx(&l->owner) [L1885] CALL, EXPR 1 vatomic32_read(a) [L3779] EXPR 1 a->_v VAL [\old(a)={5:4}, a={5:4}, g_cs_x=1, g_cs_y=1, lock={5:0}, nodes={6:0}] [L3779] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 1 return tmp; [L1885] RET, EXPR 1 vatomic32_read(a) [L1885] 1 return vatomic32_read(a); [L5439] RET, EXPR 1 vatomic32_read_rlx(&l->owner) [L5439] COND TRUE 1 vatomic32_read_rlx(&l->owner) == id [L5439] EXPR 1 l->count [L5439] 1 l->count++ [L6053] RET 1 rec_mcslock_acquire(&lock, tid, &nodes[tid]) [L6020] RET 1 acquire(tid) [L6021] CALL 1 cs() [L6003] 1 g_cs_x++ [L6004] 1 g_cs_y++ [L6021] RET 1 cs() [L6019] 1 j++ VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=2, g_cs_y=2, i=0, j=2, lock={5:0}, nodes={6:0}, tid=0] [L6019] COND FALSE 1 !(j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1))) [L6023] FCALL 1 verification_loop_bound((1 + 2)) [L6024] 1 int j = 0; VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=2, g_cs_y=2, i=0, j=0, lock={5:0}, nodes={6:0}, tid=0] [L6024] COND TRUE 1 j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1)) [L6025] CALL 1 release(tid) [L6058] CALL 1 rec_mcslock_release(&lock, &nodes[tid]) [L5439] EXPR 1 l->count VAL [\old(ctx)={6:0}, \old(l)={5:0}, ctx={6:0}, g_cs_x=2, g_cs_y=2, l={5:0}, lock={5:0}, nodes={6:0}] [L5439] COND FALSE 1 !(l->count == 0) [L5439] EXPR 1 l->count [L5439] 1 l->count-- [L6058] RET 1 rec_mcslock_release(&lock, &nodes[tid]) [L6025] RET 1 release(tid) [L6024] 1 j++ VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=2, g_cs_y=2, i=0, j=1, lock={5:0}, nodes={6:0}, tid=0] [L6024] COND TRUE 1 j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1)) [L6025] CALL 1 release(tid) [L6058] CALL 1 rec_mcslock_release(&lock, &nodes[tid]) [L5439] EXPR 1 l->count VAL [\old(ctx)={6:0}, \old(l)={5:0}, ctx={6:0}, g_cs_x=2, g_cs_y=2, l={5:0}, lock={5:0}, nodes={6:0}] [L5439] COND TRUE 1 l->count == 0 [L5439] CALL 1 vatomic32_write_rlx(&l->owner, (4294967295U)) [L1895] CALL 1 vatomic32_write(a, v) [L1895] RET 1 vatomic32_write(a, v) [L5439] RET 1 vatomic32_write_rlx(&l->owner, (4294967295U)) [L5439] CALL 1 mcslock_release(&l->lock , ctx) [L5407] 1 mcs_node_t *next; [L5408] CALL, EXPR 1 vatomicptr_read_rlx(&node->next) [L3655] CALL, EXPR 1 vatomicptr_read(a) [L3803] EXPR 1 a->_v VAL [\old(a)={6:0}, a={6:0}, g_cs_x=2, g_cs_y=2, lock={5:0}, nodes={6:0}] [L3803] 1 void *tmp = (void *)__atomic_load_n(&a->_v, 5); [L3805] 1 return tmp; [L3655] RET, EXPR 1 vatomicptr_read(a) [L3655] 1 return vatomicptr_read(a); [L5408] RET, EXPR 1 vatomicptr_read_rlx(&node->next) [L5408] COND TRUE 1 vatomicptr_read_rlx(&node->next) == ((void *)0) [L5409] CALL 1 vatomicptr_cmpxchg_rel(&l->tail, node, ((void *)0)) [L3700] CALL 1 vatomicptr_cmpxchg(a, e, v) [L3956] 1 void *exp = (void *)e; VAL [\old(a)={5:0}, \old(e)={6:0}, \old(v)={0:0}, a={5:0}, e={6:0}, exp={6:0}, g_cs_x=2, g_cs_y=2, lock={5:0}, nodes={6:0}, v={0:0}] [L3958-L3959] 1 __atomic_compare_exchange_n(&a->_v, &exp, (void *)v, 0, 5, 5) VAL [\old(a)={5:0}, \old(e)={6:0}, \old(v)={0:0}, a={5:0}, e={6:0}, exp={6:0}, g_cs_x=2, g_cs_y=2, lock={5:0}, nodes={6:0}, v={0:0}] - UnprovableResult [Line: 5439]: 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: runThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 226 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 44.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 10.1s, 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: 55, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 600 NumberOfCodeBlocks, 600 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 662 ConstructedInterpolants, 53 QuantifiedInterpolants, 6051 SizeOfPredicates, 86 NumberOfNonLiveVariables, 2125 ConjunctsInSsa, 195 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 176/229 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-18 17:59:48,178 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 [2024-10-18 17:59:48,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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/rec_mcslock.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 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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 [2024-10-18 17:59:50,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 17:59:50,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-18 17:59:50,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 17:59:50,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 17:59:50,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 17:59:50,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 17:59:50,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 17:59:50,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 17:59:50,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 17:59:50,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 17:59:50,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 17:59:50,574 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 17:59:50,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 17:59:50,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 17:59:50,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 17:59:50,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 17:59:50,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 17:59:50,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 17:59:50,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 17:59:50,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 17:59:50,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-18 17:59:50,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 17:59:50,583 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-18 17:59:50,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 17:59:50,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 17:59:50,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 17:59:50,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 17:59:50,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 17:59:50,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 17:59:50,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 17:59:50,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:59:50,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 17:59:50,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 17:59:50,587 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 17:59:50,587 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-18 17:59:50,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 17:59:50,587 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 17:59:50,588 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-18 17:59:50,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 17:59:50,588 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-18 17:59:50,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 17:59:50,588 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 17:59:50,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 17:59:50,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 17:59:50,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 17:59:50,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 17:59:50,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 17:59:50,961 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 17:59:50,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/libvsync/rec_mcslock.i [2024-10-18 17:59:52,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 17:59:52,947 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 17:59:52,949 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_mcslock.i [2024-10-18 17:59:52,993 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bbf8702e0/ae6581754c0746999f496990a461aaab/FLAG0af6b5209 [2024-10-18 17:59:53,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bbf8702e0/ae6581754c0746999f496990a461aaab [2024-10-18 17:59:53,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 17:59:53,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 17:59:53,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 17:59:53,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 17:59:53,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 17:59:53,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:59:53" (1/1) ... [2024-10-18 17:59:53,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420d6104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:53, skipping insertion in model container [2024-10-18 17:59:53,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:59:53" (1/1) ... [2024-10-18 17:59:53,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 17:59:54,472 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/rec_mcslock.i[173235,173248] [2024-10-18 17:59:54,481 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/rec_mcslock.i[173609,173622] [2024-10-18 17:59:54,649 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/rec_mcslock.i[196613,196626] [2024-10-18 17:59:54,651 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/rec_mcslock.i[196680,196693] [2024-10-18 17:59:54,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:59:54,690 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 17:59:54,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-10-18 17:59:54,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-10-18 17:59:54,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-10-18 17:59:54,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-10-18 17:59:54,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-10-18 17:59:54,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-10-18 17:59:54,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-10-18 17:59:54,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-10-18 17:59:54,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-10-18 17:59:54,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-10-18 17:59:54,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-10-18 17:59:54,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-10-18 17:59:54,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-10-18 17:59:54,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-10-18 17:59:54,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-10-18 17:59:54,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-10-18 17:59:54,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-10-18 17:59:54,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-10-18 17:59:54,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-10-18 17:59:54,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-10-18 17:59:54,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-10-18 17:59:54,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-10-18 17:59:54,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-10-18 17:59:54,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-10-18 17:59:54,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-10-18 17:59:54,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-10-18 17:59:54,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-10-18 17:59:54,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-10-18 17:59:54,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-10-18 17:59:54,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-10-18 17:59:54,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-10-18 17:59:54,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-10-18 17:59:54,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-10-18 17:59:54,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-10-18 17:59:54,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-10-18 17:59:54,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-10-18 17:59:54,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-10-18 17:59:54,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-10-18 17:59:54,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-10-18 17:59:54,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-10-18 17:59:54,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-10-18 17:59:54,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-10-18 17:59:54,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-10-18 17:59:54,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-10-18 17:59:54,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-10-18 17:59:54,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-10-18 17:59:54,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-10-18 17:59:54,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-10-18 17:59:54,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-10-18 17:59:54,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-10-18 17:59:54,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-10-18 17:59:54,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-10-18 17:59:54,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-10-18 17:59:54,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-10-18 17:59:54,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-10-18 17:59:54,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-10-18 17:59:54,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-10-18 17:59:54,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-10-18 17:59:54,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-10-18 17:59:54,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-10-18 17:59:54,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-10-18 17:59:54,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-10-18 17:59:54,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-10-18 17:59:54,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-10-18 17:59:54,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-10-18 17:59:54,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-10-18 17:59:54,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-10-18 17:59:54,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-10-18 17:59:54,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-10-18 17:59:54,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-10-18 17:59:54,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-10-18 17:59:54,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-10-18 17:59:54,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-10-18 17:59:54,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-10-18 17:59:54,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-10-18 17:59:54,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-10-18 17:59:54,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-10-18 17:59:54,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-10-18 17:59:54,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-10-18 17:59:54,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-10-18 17:59:54,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-10-18 17:59:54,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-10-18 17:59:54,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-10-18 17:59:54,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-10-18 17:59:54,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-10-18 17:59:54,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-10-18 17:59:54,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-10-18 17:59:54,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-10-18 17:59:54,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-10-18 17:59:54,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-10-18 17:59:54,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-10-18 17:59:54,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-10-18 17:59:54,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-10-18 17:59:54,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-10-18 17:59:54,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-10-18 17:59:54,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-10-18 17:59:54,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-10-18 17:59:54,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-10-18 17:59:54,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-10-18 17:59:54,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-10-18 17:59:54,923 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/rec_mcslock.i[173235,173248] [2024-10-18 17:59:54,924 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/rec_mcslock.i[173609,173622] [2024-10-18 17:59:54,935 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/rec_mcslock.i[196613,196626] [2024-10-18 17:59:54,936 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/rec_mcslock.i[196680,196693] [2024-10-18 17:59:54,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:59:55,387 INFO L204 MainTranslator]: Completed translation [2024-10-18 17:59:55,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55 WrapperNode [2024-10-18 17:59:55,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 17:59:55,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 17:59:55,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 17:59:55,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 17:59:55,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,532 INFO L138 Inliner]: procedures = 932, calls = 939, calls flagged for inlining = 834, calls inlined = 53, statements flattened = 496 [2024-10-18 17:59:55,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 17:59:55,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 17:59:55,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 17:59:55,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 17:59:55,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 17:59:55,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 17:59:55,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 17:59:55,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 17:59:55,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (1/1) ... [2024-10-18 17:59:55,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:59:55,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:59:55,634 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) [2024-10-18 17:59:55,641 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 [2024-10-18 17:59:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 17:59:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-18 17:59:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 17:59:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 17:59:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-10-18 17:59:55,681 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-10-18 17:59:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-18 17:59:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-18 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-18 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-18 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-10-18 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-18 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-18 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-18 17:59:55,704 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 17:59:55,917 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 17:59:55,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 17:59:56,670 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 17:59:56,671 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 17:59:57,101 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 17:59:57,102 INFO L314 CfgBuilder]: Removed 72 assume(true) statements. [2024-10-18 17:59:57,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:59:57 BoogieIcfgContainer [2024-10-18 17:59:57,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 17:59:57,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 17:59:57,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 17:59:57,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 17:59:57,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 05:59:53" (1/3) ... [2024-10-18 17:59:57,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96fb258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:59:57, skipping insertion in model container [2024-10-18 17:59:57,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:59:55" (2/3) ... [2024-10-18 17:59:57,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96fb258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:59:57, skipping insertion in model container [2024-10-18 17:59:57,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:59:57" (3/3) ... [2024-10-18 17:59:57,112 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_mcslock.i [2024-10-18 17:59:57,146 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 17:59:57,146 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-18 17:59:57,146 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 17:59:57,271 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-18 17:59:57,320 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 17:59:57,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 17:59:57,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:59:57,322 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) [2024-10-18 17:59:57,346 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 [2024-10-18 17:59:57,488 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:00:07,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:07,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == runThread1of1ForFork0 ======== [2024-10-18 18:00:07,939 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;@4015df39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:00:07,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-18 18:00:09,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr0ASSERT_VIOLATIONERROR_FUNCTION === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:09,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:09,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1273336472, now seen corresponding path program 1 times [2024-10-18 18:00:09,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:09,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459470899] [2024-10-18 18:00:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:00:09,132 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 [2024-10-18 18:00:09,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:09,136 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) [2024-10-18 18:00:09,138 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 [2024-10-18 18:00:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:00:09,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-18 18:00:09,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:00:09,325 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:00:09,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:09,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459470899] [2024-10-18 18:00:09,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459470899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:00:09,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:00:09,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 18:00:09,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343439619] [2024-10-18 18:00:09,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:00:09,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-18 18:00:09,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:09,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-18 18:00:09,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-18 18:00:09,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:09,367 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:09,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2024-10-18 18:00:09,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:09,550 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 (3)] Forceful destruction successful, exit code 0 [2024-10-18 18:00:09,744 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 [2024-10-18 18:00:09,744 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting runErr0ASSERT_VIOLATIONERROR_FUNCTION === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:09,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2031446407, now seen corresponding path program 1 times [2024-10-18 18:00:09,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:09,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909759908] [2024-10-18 18:00:09,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:00:09,747 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 [2024-10-18 18:00:09,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:09,750 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) [2024-10-18 18:00:09,752 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 [2024-10-18 18:00:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:00:09,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-18 18:00:09,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:09,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:00:09,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:00:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:00:10,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:10,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909759908] [2024-10-18 18:00:10,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909759908] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:00:10,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 18:00:10,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-18 18:00:10,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569536149] [2024-10-18 18:00:10,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 18:00:10,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 18:00:10,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:10,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 18:00:10,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-18 18:00:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:10,095 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:10,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2024-10-18 18:00:10,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:10,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:10,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:10,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:10,679 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 [2024-10-18 18:00:10,872 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 [2024-10-18 18:00:10,873 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:10,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash 843583192, now seen corresponding path program 1 times [2024-10-18 18:00:10,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:10,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934448529] [2024-10-18 18:00:10,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:00:10,875 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 [2024-10-18 18:00:10,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:10,877 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-10-18 18:00:10,878 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 (5)] Waiting until timeout for monitored process [2024-10-18 18:00:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:00:11,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-18 18:00:11,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 18:00:11,077 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:00:11,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:11,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934448529] [2024-10-18 18:00:11,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934448529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:00:11,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:00:11,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 18:00:11,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296929892] [2024-10-18 18:00:11,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:00:11,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:00:11,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:11,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:00:11,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:00:11,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:11,083 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:11,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-18 18:00:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:11,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:11,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:11,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:11,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:11,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:11,320 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 (5)] Ended with exit code 0 [2024-10-18 18:00:11,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-10-18 18:00:11,513 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:11,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:11,514 INFO L85 PathProgramCache]: Analyzing trace with hash 250419715, now seen corresponding path program 1 times [2024-10-18 18:00:11,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:11,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346194688] [2024-10-18 18:00:11,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:00:11,515 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 [2024-10-18 18:00:11,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:11,517 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) [2024-10-18 18:00:11,518 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 [2024-10-18 18:00:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:00:11,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-18 18:00:11,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:11,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:00:11,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:00:11,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:00:11,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:11,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346194688] [2024-10-18 18:00:11,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346194688] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:00:11,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 18:00:11,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-10-18 18:00:11,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669383744] [2024-10-18 18:00:11,984 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 18:00:11,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 18:00:11,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:11,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 18:00:11,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-18 18:00:11,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:11,989 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:11,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 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) [2024-10-18 18:00:11,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:11,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:11,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:11,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:12,671 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 (6)] Forceful destruction successful, exit code 0 [2024-10-18 18:00:12,864 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 [2024-10-18 18:00:12,864 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:12,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:12,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1322633774, now seen corresponding path program 2 times [2024-10-18 18:00:12,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:12,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569163526] [2024-10-18 18:00:12,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 18:00:12,866 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 [2024-10-18 18:00:12,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:12,869 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) [2024-10-18 18:00:12,870 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 [2024-10-18 18:00:13,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 18:00:13,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:00:13,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-18 18:00:13,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:13,235 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-10-18 18:00:13,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-10-18 18:00:13,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 18:00:13,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 18:00:13,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 19 treesize of output 11 [2024-10-18 18:00:13,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 19 treesize of output 11 [2024-10-18 18:00:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:00:14,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:00:14,618 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_108 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 32) (bvadd (_ bv2 32) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_108) |c_~#lock~0.base|) (bvadd (_ bv8 32) |c_~#lock~0.offset|)))))) is different from false [2024-10-18 18:00:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2024-10-18 18:00:14,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:14,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569163526] [2024-10-18 18:00:14,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569163526] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:00:14,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 18:00:14,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-10-18 18:00:14,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752869274] [2024-10-18 18:00:14,690 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 18:00:14,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-18 18:00:14,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:14,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-18 18:00:14,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=376, Unknown=1, NotChecked=42, Total=552 [2024-10-18 18:00:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:14,696 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:14,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.5) internal successors, (108), 23 states have internal predecessors, (108), 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) [2024-10-18 18:00:14,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:14,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:14,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:14,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:14,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 18:00:16,783 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 [2024-10-18 18:00:16,976 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 [2024-10-18 18:00:16,977 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:16,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:16,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2106222738, now seen corresponding path program 1 times [2024-10-18 18:00:16,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:16,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535475109] [2024-10-18 18:00:16,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:00:16,979 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 [2024-10-18 18:00:16,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:16,984 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-10-18 18:00:16,985 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 (8)] Waiting until timeout for monitored process [2024-10-18 18:00:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:00:17,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 18:00:17,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:17,261 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 18:00:17,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:00:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 18:00:17,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:17,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535475109] [2024-10-18 18:00:17,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535475109] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:00:17,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 18:00:17,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-18 18:00:17,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317507081] [2024-10-18 18:00:17,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 18:00:17,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 18:00:17,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:17,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 18:00:17,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-18 18:00:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:17,348 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:17,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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) [2024-10-18 18:00:17,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:17,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:17,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:17,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:17,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 18:00:17,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:18,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:18,160 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 (8)] Ended with exit code 0 [2024-10-18 18:00:18,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 [2024-10-18 18:00:18,350 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:18,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:18,350 INFO L85 PathProgramCache]: Analyzing trace with hash 425706635, now seen corresponding path program 1 times [2024-10-18 18:00:18,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:18,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393743476] [2024-10-18 18:00:18,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:00:18,351 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 [2024-10-18 18:00:18,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:18,355 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) [2024-10-18 18:00:18,356 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 [2024-10-18 18:00:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:00:18,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-18 18:00:18,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 18:00:18,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:00:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 18:00:19,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:19,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393743476] [2024-10-18 18:00:19,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393743476] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:00:19,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 18:00:19,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-10-18 18:00:19,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90236134] [2024-10-18 18:00:19,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 18:00:19,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 18:00:19,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:19,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 18:00:19,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-18 18:00:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:19,328 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:19,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 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) [2024-10-18 18:00:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:19,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:19,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:19,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:19,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:19,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:19,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:19,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:00:19,858 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 [2024-10-18 18:00:20,046 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 [2024-10-18 18:00:20,047 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:20,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:20,047 INFO L85 PathProgramCache]: Analyzing trace with hash 735653669, now seen corresponding path program 1 times [2024-10-18 18:00:20,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:20,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718976047] [2024-10-18 18:00:20,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:00:20,048 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 [2024-10-18 18:00:20,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:20,049 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) [2024-10-18 18:00:20,050 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 [2024-10-18 18:00:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:00:20,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-18 18:00:20,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:20,489 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-10-18 18:00:20,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-10-18 18:00:20,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-10-18 18:00:20,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-10-18 18:00:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 18:00:20,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:00:21,209 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_292 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_292) |c_~#lock~0.base|) (bvadd (_ bv4 32) |c_~#lock~0.offset|)) (bvadd |c_runThread1of1ForFork0_#in~arg#1.base| |c_runThread1of1ForFork0_#in~arg#1.offset|)))) is different from false [2024-10-18 18:00:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 18:00:21,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:21,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718976047] [2024-10-18 18:00:21,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718976047] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:00:21,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 18:00:21,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-10-18 18:00:21,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575346919] [2024-10-18 18:00:21,327 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 18:00:21,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-18 18:00:21,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:21,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-18 18:00:21,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=270, Unknown=23, NotChecked=34, Total=380 [2024-10-18 18:00:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:21,331 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:21,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.35) internal successors, (107), 19 states have internal predecessors, (107), 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) [2024-10-18 18:00:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:21,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:21,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:00:21,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:00:22,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 18:00:22,668 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 [2024-10-18 18:00:22,856 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 [2024-10-18 18:00:22,856 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:22,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:22,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1386330907, now seen corresponding path program 2 times [2024-10-18 18:00:22,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:22,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230842520] [2024-10-18 18:00:22,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 18:00:22,857 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 [2024-10-18 18:00:22,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:22,858 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) [2024-10-18 18:00:22,860 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 [2024-10-18 18:00:23,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 18:00:23,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:00:23,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-18 18:00:23,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:23,320 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-10-18 18:00:23,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-10-18 18:00:23,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 18:00:23,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 18:00:23,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 18:00:23,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 18:00:23,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2024-10-18 18:00:23,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2024-10-18 18:00:24,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 19 treesize of output 11 [2024-10-18 18:00:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 18:00:24,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:00:24,717 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_360 (_ BitVec 32)) (v_ArrVal_358 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_359 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| |c_runThread1of1ForFork0_vatomic32_write_~a#1.base| v_ArrVal_358))) (or (not (= (bvadd (_ bv1 32) (select (select (let ((.cse0 (store .cse1 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.base| v_ArrVal_359))) (store .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base| (store (select .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base|) (bvadd (_ bv4 32) |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.offset|) v_ArrVal_360))) |c_~#lock~0.base|) (bvadd (_ bv8 32) |c_~#lock~0.offset|))) (_ bv0 32))) (not (= v_ArrVal_359 (store (select .cse1 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.base|) |c_runThread1of1ForFork0_mcslock_acquire_~l#1.offset| (select v_ArrVal_359 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.offset|))))))) is different from false [2024-10-18 18:00:24,746 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_360 (_ BitVec 32)) (v_ArrVal_358 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_359 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| |c_runThread1of1ForFork0_mcslock_acquire_~node#1.base| v_ArrVal_358))) (or (not (= (_ bv0 32) (bvadd (_ bv1 32) (select (select (let ((.cse0 (store .cse1 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.base| v_ArrVal_359))) (store .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base| (store (select .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base|) (bvadd (_ bv4 32) |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.offset|) v_ArrVal_360))) |c_~#lock~0.base|) (bvadd (_ bv8 32) |c_~#lock~0.offset|))))) (not (= v_ArrVal_359 (store (select .cse1 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.base|) |c_runThread1of1ForFork0_mcslock_acquire_~l#1.offset| (select v_ArrVal_359 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.offset|))))))) is different from false [2024-10-18 18:00:24,780 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_360 (_ BitVec 32)) (v_ArrVal_357 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_358 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_359 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store |c_#memory_int| |c_runThread1of1ForFork0_vatomicptr_write_~a#1.base| v_ArrVal_357) |c_runThread1of1ForFork0_mcslock_acquire_~node#1.base| v_ArrVal_358))) (or (not (= (bvadd (_ bv1 32) (select (select (let ((.cse0 (store .cse1 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.base| v_ArrVal_359))) (store .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base| (store (select .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base|) (bvadd (_ bv4 32) |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.offset|) v_ArrVal_360))) |c_~#lock~0.base|) (bvadd (_ bv8 32) |c_~#lock~0.offset|))) (_ bv0 32))) (not (= v_ArrVal_359 (store (select .cse1 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.base|) |c_runThread1of1ForFork0_mcslock_acquire_~l#1.offset| (select v_ArrVal_359 |c_runThread1of1ForFork0_mcslock_acquire_~l#1.offset|))))))) is different from false [2024-10-18 18:00:24,812 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_360 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_ArrVal_358 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 32) (bvadd (_ bv1 32) (select (select (let ((.cse0 (store |c_#memory_int| |c_runThread1of1ForFork0_rec_mcslock_acquire_~ctx#1.base| v_ArrVal_358))) (store .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base| (store (store (select .cse0 |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.base|) |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.offset| v_DerPreprocessor_1) (bvadd (_ bv4 32) |c_runThread1of1ForFork0_rec_mcslock_acquire_~l#1.offset|) v_ArrVal_360))) |c_~#lock~0.base|) (bvadd (_ bv8 32) |c_~#lock~0.offset|)))))) is different from false [2024-10-18 18:00:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 6 not checked. [2024-10-18 18:00:25,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:25,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230842520] [2024-10-18 18:00:25,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230842520] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:00:25,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 18:00:25,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2024-10-18 18:00:25,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410731576] [2024-10-18 18:00:25,060 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 18:00:25,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-18 18:00:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:25,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-18 18:00:25,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=509, Unknown=34, NotChecked=204, Total=870 [2024-10-18 18:00:25,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:25,063 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:25,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.6) internal successors, (138), 29 states have internal predecessors, (138), 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) [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 18:00:25,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:00:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 18:00:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:00:28,188 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 (11)] Ended with exit code 0 [2024-10-18 18:00:28,378 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 [2024-10-18 18:00:28,378 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:28,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:28,379 INFO L85 PathProgramCache]: Analyzing trace with hash -332545626, now seen corresponding path program 3 times [2024-10-18 18:00:28,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:28,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611826255] [2024-10-18 18:00:28,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 18:00:28,380 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 [2024-10-18 18:00:28,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:28,381 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) [2024-10-18 18:00:28,382 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 [2024-10-18 18:00:28,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-18 18:00:28,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:00:28,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 18:00:28,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:00:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 67 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 18:00:29,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:00:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 51 proven. 24 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-18 18:00:29,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-18 18:00:29,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611826255] [2024-10-18 18:00:29,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611826255] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:00:29,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-18 18:00:29,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-10-18 18:00:29,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099865982] [2024-10-18 18:00:29,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-18 18:00:29,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 18:00:29,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-18 18:00:29,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 18:00:29,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-18 18:00:29,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:29,327 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:00:29,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 13 states have internal predecessors, (155), 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) [2024-10-18 18:00:29,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:29,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:29,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:29,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:29,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:29,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:29,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:00:29,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 18:00:29,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 18:00:29,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:30,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:00:30,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:30,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:00:30,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:00:30,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 18:00:30,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:00:30,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:00:30,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 18:00:30,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 18:00:30,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:00:30,406 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 [2024-10-18 18:00:30,595 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 [2024-10-18 18:00:30,595 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 18:00:30,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:00:30,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1240431528, now seen corresponding path program 1 times [2024-10-18 18:00:30,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-18 18:00:30,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312511388] [2024-10-18 18:00:30,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:00:30,599 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 [2024-10-18 18:00:30,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-10-18 18:00:30,601 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) [2024-10-18 18:00:30,603 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 [2024-10-18 18:00:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:00:30,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:00:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:00:31,365 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-18 18:00:31,365 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-18 18:00:31,366 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location runErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-18 18:00:31,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-18 18:00:31,380 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 (13)] Ended with exit code 0 [2024-10-18 18:00:31,568 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 [2024-10-18 18:00:31,572 INFO L414 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1] [2024-10-18 18:00:31,574 INFO L312 ceAbstractionStarter]: Result for error location runThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2024-10-18 18:00:31,689 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 18:00:31,689 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 18:00:31,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 06:00:31 BasicIcfg [2024-10-18 18:00:31,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 18:00:31,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 18:00:31,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 18:00:31,693 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 18:00:31,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:59:57" (3/4) ... [2024-10-18 18:00:31,698 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-18 18:00:31,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 18:00:31,700 INFO L158 Benchmark]: Toolchain (without parser) took 38687.44ms. Allocated memory was 69.2MB in the beginning and 260.0MB in the end (delta: 190.8MB). Free memory was 43.1MB in the beginning and 89.5MB in the end (delta: -46.4MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. [2024-10-18 18:00:31,700 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 46.1MB. Free memory was 24.2MB in the beginning and 24.2MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 18:00:31,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2373.65ms. Allocated memory was 69.2MB in the beginning and 130.0MB in the end (delta: 60.8MB). Free memory was 42.9MB in the beginning and 52.6MB in the end (delta: -9.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-10-18 18:00:31,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.57ms. Allocated memory is still 130.0MB. Free memory was 52.6MB in the beginning and 43.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-18 18:00:31,701 INFO L158 Benchmark]: Boogie Preprocessor took 58.92ms. Allocated memory is still 130.0MB. Free memory was 43.3MB in the beginning and 39.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 18:00:31,701 INFO L158 Benchmark]: RCFGBuilder took 1510.40ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 39.1MB in the beginning and 56.9MB in the end (delta: -17.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-10-18 18:00:31,702 INFO L158 Benchmark]: TraceAbstraction took 34587.69ms. Allocated memory was 172.0MB in the beginning and 260.0MB in the end (delta: 88.1MB). Free memory was 55.8MB in the beginning and 90.5MB in the end (delta: -34.7MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-10-18 18:00:31,702 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 260.0MB. Free memory was 90.5MB in the beginning and 89.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 18:00:31,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 46.1MB. Free memory was 24.2MB in the beginning and 24.2MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2373.65ms. Allocated memory was 69.2MB in the beginning and 130.0MB in the end (delta: 60.8MB). Free memory was 42.9MB in the beginning and 52.6MB in the end (delta: -9.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.57ms. Allocated memory is still 130.0MB. Free memory was 52.6MB in the beginning and 43.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.92ms. Allocated memory is still 130.0MB. Free memory was 43.3MB in the beginning and 39.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1510.40ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 39.1MB in the beginning and 56.9MB in the end (delta: -17.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * TraceAbstraction took 34587.69ms. Allocated memory was 172.0MB in the beginning and 260.0MB in the end (delta: 88.1MB). Free memory was 55.8MB in the beginning and 90.5MB in the end (delta: -34.7MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 260.0MB. Free memory was 90.5MB in the beginning and 89.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 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: 1214, independent: 740, independent conditional: 183, independent unconditional: 557, dependent: 474, dependent conditional: 470, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 744, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 744, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 744, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 748, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 748, independent: 740, independent conditional: 64, independent unconditional: 676, 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: 748, independent: 740, independent conditional: 64, independent unconditional: 676, 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: 544, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 544, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1102, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 972, dependent conditional: 0, dependent unconditional: 972, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 748, independent: 200, independent conditional: 64, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 544, unknown conditional: 0, unknown unconditional: 544] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, 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: 119, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 748, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 748, independent: 740, independent conditional: 64, independent unconditional: 676, 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: 748, independent: 740, independent conditional: 64, independent unconditional: 676, 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: 544, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 544, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1102, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 972, dependent conditional: 0, dependent unconditional: 972, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 748, independent: 200, independent conditional: 64, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 544, unknown conditional: 0, unknown unconditional: 544] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, 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: 119 ], Independence queries for same thread: 470, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, Number of persistent set computation: 90, Number of trivial persistent sets: 87, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 561, independent: 557, independent conditional: 0, independent unconditional: 557, 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: 1214, independent: 740, independent conditional: 183, independent unconditional: 557, dependent: 474, dependent conditional: 470, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 744, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 744, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 744, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 748, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 748, independent: 740, independent conditional: 64, independent unconditional: 676, 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: 748, independent: 740, independent conditional: 64, independent unconditional: 676, 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: 544, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 544, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1102, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 972, dependent conditional: 0, dependent unconditional: 972, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 748, independent: 200, independent conditional: 64, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 544, unknown conditional: 0, unknown unconditional: 544] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, 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: 119, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 748, independent: 740, independent conditional: 183, independent unconditional: 557, 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: 748, independent: 740, independent conditional: 64, independent unconditional: 676, 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: 748, independent: 740, independent conditional: 64, independent unconditional: 676, 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: 544, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 544, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1102, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 972, dependent conditional: 0, dependent unconditional: 972, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 748, independent: 200, independent conditional: 64, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 544, unknown conditional: 0, unknown unconditional: 544] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 540, Positive conditional cache size: 0, Positive unconditional cache size: 540, 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: 119 ], Independence queries for same thread: 470 - UnprovableResult [Line: 3958]: 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 3958, overapproximation of large string literal at line 5439. Possible FailurePath: [L5998] 0 static vuint32_t g_cs_x = 0; [L5999] 0 static vuint32_t g_cs_y = 0; [L6048] 0 rec_mcslock_t lock = { .lock = { .tail = { ._v = 0 } }, .owner = { ._v = (4294967295U) }, .count = 0, }; [L6049] 0 struct mcs_node_s nodes[3]; [L6033] 0 pthread_t t[3]; [L6034] FCALL 0 init() [L6035] FCALL 0 verification_loop_bound(3 + 1) [L6036] 0 vuintptr_t i = 0; VAL [g_cs_x=0, g_cs_y=0, i=0, lock={5:0}, nodes={6:0}, t={7:0}] [L6036] COND TRUE 0 i < 3 [L6037] FCALL, FORK 0 pthread_create(&t[i], 0, run, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=0, lock={5:0}, nodes={6:0}, t={7:0}] [L6015] 1 vuint32_t tid = (vuintptr_t)arg; [L6016] CALL 1 verification_loop_bound((0 + 2)) [L6036] 0 i++ VAL [g_cs_x=0, g_cs_y=0, i=1, lock={5:0}, nodes={6:0}, t={7:0}] [L6036] COND TRUE 0 i < 3 [L6037] FCALL, FORK 0 pthread_create(&t[i], 0, run, (void *)i) VAL [g_cs_x=0, g_cs_y=0, i=1, lock={5:0}, nodes={6:0}, t={7:0}] [L6016] RET 1 verification_loop_bound((0 + 2)) [L6017] 1 int i = 0; VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=0, g_cs_y=0, i=0, lock={5:0}, nodes={6:0}, tid=0] [L6017] COND TRUE 1 i == 0 || ((i) == 1 && ((tid) + 1 < (0) + 1)) [L6018] FCALL 1 verification_loop_bound((1 + 2)) [L6019] 1 int j = 0; VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=0, g_cs_y=0, i=0, j=0, lock={5:0}, nodes={6:0}, tid=0] [L6019] COND TRUE 1 j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1)) [L6020] CALL 1 acquire(tid) [L6053] CALL 1 rec_mcslock_acquire(&lock, tid, &nodes[tid]) [L5439] COND FALSE 1 !(!(id != (4294967295U) && "this value is reserved")) VAL [\old(ctx)={6:0}, \old(id)=0, \old(l)={5:0}, ctx={6:0}, g_cs_x=0, g_cs_y=0, id=0, l={5:0}, lock={5:0}, nodes={6:0}] [L5439] CALL, EXPR 1 vatomic32_read_rlx(&l->owner) [L1885] CALL, EXPR 1 vatomic32_read(a) [L3779] EXPR 1 a->_v VAL [\old(a)={5:4}, a={5:4}, g_cs_x=0, g_cs_y=0, lock={5:0}, nodes={6:0}] [L3779] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 1 return tmp; [L1885] RET, EXPR 1 vatomic32_read(a) [L1885] 1 return vatomic32_read(a); [L5439] RET, EXPR 1 vatomic32_read_rlx(&l->owner) [L5439] COND FALSE 1 !(vatomic32_read_rlx(&l->owner) == id) [L5439] CALL 1 mcslock_acquire(&l->lock , ctx) [L5395] 1 mcs_node_t *pred; [L5396] CALL 1 vatomicptr_write_rlx(&node->next, ((void *)0)) [L3665] CALL 1 vatomicptr_write(a, v) [L3665] RET 1 vatomicptr_write(a, v) [L5396] RET 1 vatomicptr_write_rlx(&node->next, ((void *)0)) [L5397] CALL 1 vatomic32_write_rlx(&node->locked, 1) [L1895] CALL 1 vatomic32_write(a, v) [L1895] RET 1 vatomic32_write(a, v) [L5397] RET 1 vatomic32_write_rlx(&node->locked, 1) [L5398] CALL, EXPR 1 vatomicptr_xchg(&l->tail, node) [L3899] EXPR 1 a->_v [L3898-L3899] 1 void *tmp = (void *)__atomic_exchange_n(&a->_v, (void *)v, 5); [L3901] 1 return tmp; [L5398] RET, EXPR 1 vatomicptr_xchg(&l->tail, node) [L5398] 1 pred = (mcs_node_t *)vatomicptr_xchg(&l->tail, node) [L5399] COND FALSE 1 !(\read(*pred)) VAL [\old(l)={5:0}, \old(node)={6:0}, g_cs_x=0, g_cs_y=0, l={5:0}, lock={5:0}, node={6:0}, nodes={6:0}, pred={0:0}] [L5439] RET 1 mcslock_acquire(&l->lock , ctx) [L5439] CALL 1 vatomic32_write_rlx(&l->owner, id) [L1895] CALL 1 vatomic32_write(a, v) [L1895] RET 1 vatomic32_write(a, v) [L5439] RET 1 vatomic32_write_rlx(&l->owner, id) [L6053] RET 1 rec_mcslock_acquire(&lock, tid, &nodes[tid]) [L6020] RET 1 acquire(tid) [L6021] CALL 1 cs() [L6003] 1 g_cs_x++ [L6004] 1 g_cs_y++ [L6021] RET 1 cs() [L6019] 1 j++ VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=1, g_cs_y=1, i=0, j=1, lock={5:0}, nodes={6:0}, tid=0] [L6019] COND TRUE 1 j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1)) [L6020] CALL 1 acquire(tid) [L6053] CALL 1 rec_mcslock_acquire(&lock, tid, &nodes[tid]) [L5439] COND FALSE 1 !(!(id != (4294967295U) && "this value is reserved")) VAL [\old(ctx)={6:0}, \old(id)=0, \old(l)={5:0}, ctx={6:0}, g_cs_x=1, g_cs_y=1, id=0, l={5:0}, lock={5:0}, nodes={6:0}] [L5439] CALL, EXPR 1 vatomic32_read_rlx(&l->owner) [L1885] CALL, EXPR 1 vatomic32_read(a) [L3779] EXPR 1 a->_v VAL [\old(a)={5:4}, a={5:4}, g_cs_x=1, g_cs_y=1, lock={5:0}, nodes={6:0}] [L3779] 1 vuint32_t tmp = (vuint32_t)__atomic_load_n(&a->_v, 5); [L3781] 1 return tmp; [L1885] RET, EXPR 1 vatomic32_read(a) [L1885] 1 return vatomic32_read(a); [L5439] RET, EXPR 1 vatomic32_read_rlx(&l->owner) [L5439] COND TRUE 1 vatomic32_read_rlx(&l->owner) == id [L5439] EXPR 1 l->count [L5439] 1 l->count++ [L6053] RET 1 rec_mcslock_acquire(&lock, tid, &nodes[tid]) [L6020] RET 1 acquire(tid) [L6021] CALL 1 cs() [L6003] 1 g_cs_x++ [L6004] 1 g_cs_y++ [L6021] RET 1 cs() [L6019] 1 j++ VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=2, g_cs_y=2, i=0, j=2, lock={5:0}, nodes={6:0}, tid=0] [L6019] COND FALSE 1 !(j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1))) [L6023] FCALL 1 verification_loop_bound((1 + 2)) [L6024] 1 int j = 0; VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=2, g_cs_y=2, i=0, j=0, lock={5:0}, nodes={6:0}, tid=0] [L6024] COND TRUE 1 j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1)) [L6025] CALL 1 release(tid) [L6058] CALL 1 rec_mcslock_release(&lock, &nodes[tid]) [L5439] EXPR 1 l->count VAL [\old(ctx)={6:0}, \old(l)={5:0}, ctx={6:0}, g_cs_x=2, g_cs_y=2, l={5:0}, lock={5:0}, nodes={6:0}] [L5439] COND FALSE 1 !(l->count == 0) [L5439] EXPR 1 l->count [L5439] 1 l->count-- [L6058] RET 1 rec_mcslock_release(&lock, &nodes[tid]) [L6025] RET 1 release(tid) [L6024] 1 j++ VAL [\old(arg)={0:0}, arg={0:0}, g_cs_x=2, g_cs_y=2, i=0, j=1, lock={5:0}, nodes={6:0}, tid=0] [L6024] COND TRUE 1 j == 0 || ((j) == 1 && ((tid) + 1 < (1) + 1)) [L6025] CALL 1 release(tid) [L6058] CALL 1 rec_mcslock_release(&lock, &nodes[tid]) [L5439] EXPR 1 l->count VAL [\old(ctx)={6:0}, \old(l)={5:0}, ctx={6:0}, g_cs_x=2, g_cs_y=2, l={5:0}, lock={5:0}, nodes={6:0}] [L5439] COND TRUE 1 l->count == 0 [L5439] CALL 1 vatomic32_write_rlx(&l->owner, (4294967295U)) [L1895] CALL 1 vatomic32_write(a, v) [L1895] RET 1 vatomic32_write(a, v) [L5439] RET 1 vatomic32_write_rlx(&l->owner, (4294967295U)) [L5439] CALL 1 mcslock_release(&l->lock , ctx) [L5407] 1 mcs_node_t *next; [L5408] CALL, EXPR 1 vatomicptr_read_rlx(&node->next) [L3655] CALL, EXPR 1 vatomicptr_read(a) [L3803] EXPR 1 a->_v VAL [\old(a)={6:0}, a={6:0}, g_cs_x=2, g_cs_y=2, lock={5:0}, nodes={6:0}] [L3803] 1 void *tmp = (void *)__atomic_load_n(&a->_v, 5); [L3805] 1 return tmp; [L3655] RET, EXPR 1 vatomicptr_read(a) [L3655] 1 return vatomicptr_read(a); [L5408] RET, EXPR 1 vatomicptr_read_rlx(&node->next) [L5408] COND TRUE 1 vatomicptr_read_rlx(&node->next) == ((void *)0) [L5409] CALL 1 vatomicptr_cmpxchg_rel(&l->tail, node, ((void *)0)) [L3700] CALL 1 vatomicptr_cmpxchg(a, e, v) [L3956] 1 void *exp = (void *)e; VAL [\old(a)={5:0}, \old(e)={6:0}, \old(v)={0:0}, a={5:0}, e={6:0}, exp={6:0}, g_cs_x=2, g_cs_y=2, lock={5:0}, nodes={6:0}, v={0:0}] [L3958-L3959] 1 __atomic_compare_exchange_n(&a->_v, &exp, (void *)v, 0, 5, 5) VAL [\old(a)={5:0}, \old(e)={6:0}, \old(v)={0:0}, a={5:0}, e={6:0}, exp={6:0}, g_cs_x=2, g_cs_y=2, lock={5:0}, nodes={6:0}, v={0:0}] - UnprovableResult [Line: 5439]: 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: runThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 226 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 34.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 11.7s, 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: 101, 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, 1.7s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 709 NumberOfCodeBlocks, 691 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1202 ConstructedInterpolants, 65 QuantifiedInterpolants, 8390 SizeOfPredicates, 127 NumberOfNonLiveVariables, 3238 ConjunctsInSsa, 185 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 492/600 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-18 18:00:31,742 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 [2024-10-18 18:00:31,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample