./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/libvsync/cnalock.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/cnalock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-19 01:56:43,056 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-19 01:56:43,133 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-19 01:56:43,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-19 01:56:43,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-19 01:56:43,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-19 01:56:43,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-19 01:56:43,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-19 01:56:43,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-19 01:56:43,173 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-19 01:56:43,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-19 01:56:43,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-19 01:56:43,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-19 01:56:43,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-19 01:56:43,177 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-19 01:56:43,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-19 01:56:43,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-19 01:56:43,178 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-19 01:56:43,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-19 01:56:43,179 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-19 01:56:43,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-19 01:56:43,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-19 01:56:43,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-19 01:56:43,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-19 01:56:43,181 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-19 01:56:43,181 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-19 01:56:43,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-19 01:56:43,182 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-19 01:56:43,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-19 01:56:43,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-19 01:56:43,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-19 01:56:43,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-19 01:56:43,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 01:56:43,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-19 01:56:43,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-19 01:56:43,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-19 01:56:43,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-19 01:56:43,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-19 01:56:43,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-19 01:56:43,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-19 01:56:43,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-19 01:56:43,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-19 01:56:43,193 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002
[2024-11-19 01:56:43,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-19 01:56:43,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-19 01:56:43,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-19 01:56:43,464 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-19 01:56:43,464 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-19 01:56:43,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/cnalock.i
[2024-11-19 01:56:44,814 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-19 01:56:45,280 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-19 01:56:45,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i
[2024-11-19 01:56:45,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e467de7/e243bbcc34b7400db2219a4ddb27756e/FLAGb51377aa5
[2024-11-19 01:56:45,434 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e467de7/e243bbcc34b7400db2219a4ddb27756e
[2024-11-19 01:56:45,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-19 01:56:45,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-19 01:56:45,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-19 01:56:45,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-19 01:56:45,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-19 01:56:45,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:56:45" (1/1) ...
[2024-11-19 01:56:45,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aebfab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:45, skipping insertion in model container
[2024-11-19 01:56:45,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:56:45" (1/1) ...
[2024-11-19 01:56:45,533 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-19 01:56:47,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i[196596,196609]
[2024-11-19 01:56:47,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i[196663,196676]
[2024-11-19 01:56:47,921 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-19 01:56:47,938 INFO L200 MainTranslator]: Completed pre-run
[2024-11-19 01:56:48,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755]
[2024-11-19 01:56:48,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757]
[2024-11-19 01:56:48,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762]
[2024-11-19 01:56:48,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764]
[2024-11-19 01:56:48,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770]
[2024-11-19 01:56:48,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772]
[2024-11-19 01:56:48,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778]
[2024-11-19 01:56:48,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780]
[2024-11-19 01:56:48,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786]
[2024-11-19 01:56:48,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788]
[2024-11-19 01:56:48,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794]
[2024-11-19 01:56:48,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796]
[2024-11-19 01:56:48,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802]
[2024-11-19 01:56:48,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804]
[2024-11-19 01:56:48,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810]
[2024-11-19 01:56:48,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812]
[2024-11-19 01:56:48,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817]
[2024-11-19 01:56:48,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819]
[2024-11-19 01:56:48,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824]
[2024-11-19 01:56:48,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826]
[2024-11-19 01:56:48,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831]
[2024-11-19 01:56:48,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833]
[2024-11-19 01:56:48,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838]
[2024-11-19 01:56:48,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840]
[2024-11-19 01:56:48,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845]
[2024-11-19 01:56:48,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847]
[2024-11-19 01:56:48,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852]
[2024-11-19 01:56:48,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855]
[2024-11-19 01:56:48,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861]
[2024-11-19 01:56:48,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864]
[2024-11-19 01:56:48,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870]
[2024-11-19 01:56:48,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873]
[2024-11-19 01:56:48,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879]
[2024-11-19 01:56:48,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882]
[2024-11-19 01:56:48,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888]
[2024-11-19 01:56:48,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891]
[2024-11-19 01:56:48,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897]
[2024-11-19 01:56:48,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900]
[2024-11-19 01:56:48,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907]
[2024-11-19 01:56:48,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910]
[2024-11-19 01:56:48,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917]
[2024-11-19 01:56:48,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920]
[2024-11-19 01:56:48,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927]
[2024-11-19 01:56:48,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930]
[2024-11-19 01:56:48,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937]
[2024-11-19 01:56:48,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940]
[2024-11-19 01:56:48,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947]
[2024-11-19 01:56:48,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950]
[2024-11-19 01:56:48,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957]
[2024-11-19 01:56:48,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960]
[2024-11-19 01:56:48,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966]
[2024-11-19 01:56:48,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969]
[2024-11-19 01:56:48,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975]
[2024-11-19 01:56:48,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978]
[2024-11-19 01:56:48,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984]
[2024-11-19 01:56:48,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987]
[2024-11-19 01:56:48,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993]
[2024-11-19 01:56:48,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996]
[2024-11-19 01:56:48,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002]
[2024-11-19 01:56:48,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005]
[2024-11-19 01:56:48,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011]
[2024-11-19 01:56:48,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014]
[2024-11-19 01:56:48,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020]
[2024-11-19 01:56:48,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023]
[2024-11-19 01:56:48,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029]
[2024-11-19 01:56:48,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032]
[2024-11-19 01:56:48,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038]
[2024-11-19 01:56:48,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041]
[2024-11-19 01:56:48,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047]
[2024-11-19 01:56:48,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050]
[2024-11-19 01:56:48,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056]
[2024-11-19 01:56:48,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059]
[2024-11-19 01:56:48,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065]
[2024-11-19 01:56:48,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068]
[2024-11-19 01:56:48,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074]
[2024-11-19 01:56:48,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077]
[2024-11-19 01:56:48,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083]
[2024-11-19 01:56:48,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086]
[2024-11-19 01:56:48,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092]
[2024-11-19 01:56:48,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095]
[2024-11-19 01:56:48,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101]
[2024-11-19 01:56:48,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103]
[2024-11-19 01:56:48,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109]
[2024-11-19 01:56:48,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111]
[2024-11-19 01:56:48,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117]
[2024-11-19 01:56:48,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119]
[2024-11-19 01:56:48,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125]
[2024-11-19 01:56:48,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127]
[2024-11-19 01:56:48,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133]
[2024-11-19 01:56:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135]
[2024-11-19 01:56:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141]
[2024-11-19 01:56:48,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143]
[2024-11-19 01:56:48,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149]
[2024-11-19 01:56:48,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151]
[2024-11-19 01:56:48,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157]
[2024-11-19 01:56:48,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159]
[2024-11-19 01:56:48,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165]
[2024-11-19 01:56:48,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167]
[2024-11-19 01:56:48,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173]
[2024-11-19 01:56:48,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175]
[2024-11-19 01:56:48,182 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i[196596,196609]
[2024-11-19 01:56:48,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i[196663,196676]
[2024-11-19 01:56:48,192 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-19 01:56:48,404 INFO L204 MainTranslator]: Completed translation
[2024-11-19 01:56:48,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48 WrapperNode
[2024-11-19 01:56:48,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-19 01:56:48,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-19 01:56:48,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-19 01:56:48,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-19 01:56:48,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,558 INFO L138 Inliner]: procedures = 919, calls = 956, calls flagged for inlining = 840, calls inlined = 85, statements flattened = 763
[2024-11-19 01:56:48,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-19 01:56:48,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-19 01:56:48,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-19 01:56:48,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-19 01:56:48,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,633 INFO L175 MemorySlicer]: Split 56 memory accesses to 3 slices as follows [2, 52, 2]. 93 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 17, 0]. The 19 writes are split as follows [0, 18, 1].
[2024-11-19 01:56:48,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-19 01:56:48,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-19 01:56:48,673 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-19 01:56:48,673 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-19 01:56:48,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (1/1) ...
[2024-11-19 01:56:48,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 01:56:48,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 01:56:48,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-19 01:56:48,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-19 01:56:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-19 01:56:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-19 01:56:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-19 01:56:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-19 01:56:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-19 01:56:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-19 01:56:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-19 01:56:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-19 01:56:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-19 01:56:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure run
[2024-11-19 01:56:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure run
[2024-11-19 01:56:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-19 01:56:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-19 01:56:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-19 01:56:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-19 01:56:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-19 01:56:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-19 01:56:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-19 01:56:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-19 01:56:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-19 01:56:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-19 01:56:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-19 01:56:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-19 01:56:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-19 01:56:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-19 01:56:48,787 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-19 01:56:48,996 INFO L238 CfgBuilder]: Building ICFG
[2024-11-19 01:56:48,998 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-19 01:56:50,007 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-19 01:56:50,007 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-19 01:56:50,529 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-19 01:56:50,530 INFO L316 CfgBuilder]: Removed 70 assume(true) statements.
[2024-11-19 01:56:50,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:56:50 BoogieIcfgContainer
[2024-11-19 01:56:50,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-19 01:56:50,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-19 01:56:50,532 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-19 01:56:50,535 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-19 01:56:50,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:56:45" (1/3) ...
[2024-11-19 01:56:50,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a9a9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:56:50, skipping insertion in model container
[2024-11-19 01:56:50,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:56:48" (2/3) ...
[2024-11-19 01:56:50,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a9a9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:56:50, skipping insertion in model container
[2024-11-19 01:56:50,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:56:50" (3/3) ...
[2024-11-19 01:56:50,539 INFO L112 eAbstractionObserver]: Analyzing ICFG cnalock.i
[2024-11-19 01:56:50,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-19 01:56:50,556 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-19 01:56:50,556 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-19 01:56:50,724 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-19 01:56:50,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 168 places, 242 transitions, 491 flow
[2024-11-19 01:56:50,837 INFO L124 PetriNetUnfolderBase]: 88/274 cut-off events.
[2024-11-19 01:56:50,838 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-19 01:56:50,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 274 events. 88/274 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 856 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 226. Up to 6 conditions per place.
[2024-11-19 01:56:50,845 INFO L82 GeneralOperation]: Start removeDead. Operand has 168 places, 242 transitions, 491 flow
[2024-11-19 01:56:50,852 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 168 places, 242 transitions, 491 flow
[2024-11-19 01:56:50,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 01:56:50,874 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=PETRI_NET, 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;@2774012e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 01:56:50,875 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-19 01:56:50,882 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 01:56:50,882 INFO L124 PetriNetUnfolderBase]: 8/31 cut-off events.
[2024-11-19 01:56:50,883 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-19 01:56:50,883 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 01:56:50,883 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:56:50,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-19 01:56:50,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:56:50,890 INFO L85 PathProgramCache]: Analyzing trace with hash -106683097, now seen corresponding path program 1 times
[2024-11-19 01:56:50,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:56:50,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768602159]
[2024-11-19 01:56:50,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:56:50,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:56:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:56:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-19 01:56:51,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:56:51,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768602159]
[2024-11-19 01:56:51,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768602159] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:56:51,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:56:51,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 01:56:51,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214623448]
[2024-11-19 01:56:51,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:56:51,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-19 01:56:51,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:56:51,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-19 01:56:51,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-19 01:56:51,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 242
[2024-11-19 01:56:51,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 242 transitions, 491 flow. Second operand has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 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)
[2024-11-19 01:56:51,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 01:56:51,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 242
[2024-11-19 01:56:51,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 01:56:51,881 INFO L124 PetriNetUnfolderBase]: 1191/2739 cut-off events.
[2024-11-19 01:56:51,881 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-19 01:56:51,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5027 conditions, 2739 events. 1191/2739 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 17735 event pairs, 970 based on Foata normal form. 1299/3643 useless extension candidates. Maximal degree in co-relation 4974. Up to 2283 conditions per place.
[2024-11-19 01:56:51,903 INFO L140 encePairwiseOnDemand]: 186/242 looper letters, 132 selfloop transitions, 0 changer transitions 1/186 dead transitions.
[2024-11-19 01:56:51,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 186 transitions, 645 flow
[2024-11-19 01:56:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-19 01:56:51,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-19 01:56:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 295 transitions.
[2024-11-19 01:56:51,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.609504132231405
[2024-11-19 01:56:51,917 INFO L175 Difference]: Start difference. First operand has 168 places, 242 transitions, 491 flow. Second operand 2 states and 295 transitions.
[2024-11-19 01:56:51,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 186 transitions, 645 flow
[2024-11-19 01:56:51,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 186 transitions, 645 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-19 01:56:51,925 INFO L231 Difference]: Finished difference. Result has 169 places, 185 transitions, 377 flow
[2024-11-19 01:56:51,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=377, PETRI_PLACES=169, PETRI_TRANSITIONS=185}
[2024-11-19 01:56:51,931 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, 1 predicate places.
[2024-11-19 01:56:51,932 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 185 transitions, 377 flow
[2024-11-19 01:56:51,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 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)
[2024-11-19 01:56:51,932 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 01:56:51,932 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:56:51,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-19 01:56:51,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-19 01:56:51,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:56:51,934 INFO L85 PathProgramCache]: Analyzing trace with hash 859603067, now seen corresponding path program 1 times
[2024-11-19 01:56:51,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:56:51,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213990292]
[2024-11-19 01:56:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:56:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:56:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 01:56:51,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-19 01:56:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 01:56:52,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-19 01:56:52,069 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-19 01:56:52,071 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining)
[2024-11-19 01:56:52,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2024-11-19 01:56:52,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining)
[2024-11-19 01:56:52,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-19 01:56:52,075 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-19 01:56:52,078 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-19 01:56:52,079 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-19 01:56:52,305 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-19 01:56:52,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 304 places, 437 transitions, 890 flow
[2024-11-19 01:56:52,390 INFO L124 PetriNetUnfolderBase]: 167/523 cut-off events.
[2024-11-19 01:56:52,390 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-19 01:56:52,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 523 events. 167/523 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2284 event pairs, 0 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 439. Up to 12 conditions per place.
[2024-11-19 01:56:52,404 INFO L82 GeneralOperation]: Start removeDead. Operand has 304 places, 437 transitions, 890 flow
[2024-11-19 01:56:52,417 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 304 places, 437 transitions, 890 flow
[2024-11-19 01:56:52,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 01:56:52,419 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=PETRI_NET, 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;@2774012e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 01:56:52,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-19 01:56:52,427 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 01:56:52,427 INFO L124 PetriNetUnfolderBase]: 21/72 cut-off events.
[2024-11-19 01:56:52,427 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-19 01:56:52,427 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 01:56:52,427 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:56:52,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-19 01:56:52,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:56:52,428 INFO L85 PathProgramCache]: Analyzing trace with hash -833109972, now seen corresponding path program 1 times
[2024-11-19 01:56:52,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:56:52,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312467060]
[2024-11-19 01:56:52,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:56:52,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:56:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:56:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-19 01:56:52,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:56:52,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312467060]
[2024-11-19 01:56:52,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312467060] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:56:52,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:56:52,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 01:56:52,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476803958]
[2024-11-19 01:56:52,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:56:52,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-19 01:56:52,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:56:52,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-19 01:56:52,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-19 01:56:52,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 437
[2024-11-19 01:56:52,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 437 transitions, 890 flow. Second operand has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 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)
[2024-11-19 01:56:52,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 01:56:52,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 437
[2024-11-19 01:56:52,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand