./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/libvsync/ttaslock.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/ttaslock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC --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 1232142cbd2d3669d71853399351b59e265805f095536d7cdae31e54b7810261
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:05:43,776 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:05:43,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 23:05:43,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:05:43,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:05:43,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:05:43,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:05:43,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:05:43,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:05:43,944 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:05:43,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:05:43,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:05:43,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:05:43,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:05:43,946 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:05:43,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:05:43,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:05:43,946 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:05:43,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:05:43,947 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:05:43,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:05:43,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:05:43,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:05:43,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:05:43,948 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:05:43,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:05:43,948 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:05:43,948 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:05:43,948 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:05:43,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:05:43,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:05:43,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:05:43,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:05:43,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:05:43,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:05:43,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:05:43,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:05:43,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:05:43,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:05:43,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:05:43,950 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:05:43,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:05:43,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:05:43,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:05:43,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:05:43,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:05:43,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:05:43,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:05:43,952 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC
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 -> 1232142cbd2d3669d71853399351b59e265805f095536d7cdae31e54b7810261
[2024-11-23 23:05:44,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:05:44,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:05:44,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:05:44,313 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:05:44,314 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:05:44,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/libvsync/ttaslock.i
[2024-11-23 23:05:47,986 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/data/21b574619/4aba77c0b88748ed83dd101b9b5e55f1/FLAG1fd4c0b3e
[2024-11-23 23:05:48,873 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:05:48,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/sv-benchmarks/c/libvsync/ttaslock.i
[2024-11-23 23:05:48,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/data/21b574619/4aba77c0b88748ed83dd101b9b5e55f1/FLAG1fd4c0b3e
[2024-11-23 23:05:49,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/data/21b574619/4aba77c0b88748ed83dd101b9b5e55f1
[2024-11-23 23:05:49,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:05:49,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:05:49,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:05:49,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:05:49,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:05:49,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:49" (1/1) ...
[2024-11-23 23:05:49,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d454c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:49, skipping insertion in model container
[2024-11-23 23:05:49,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:49" (1/1) ...
[2024-11-23 23:05:49,277 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:05:53,519 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/sv-benchmarks/c/libvsync/ttaslock.i[193996,194009]
[2024-11-23 23:05:53,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/sv-benchmarks/c/libvsync/ttaslock.i[194063,194076]
[2024-11-23 23:05:53,557 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:05:53,577 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:05:53,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755]
[2024-11-23 23:05:53,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757]
[2024-11-23 23:05:53,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762]
[2024-11-23 23:05:53,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764]
[2024-11-23 23:05:53,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770]
[2024-11-23 23:05:53,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772]
[2024-11-23 23:05:53,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778]
[2024-11-23 23:05:53,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780]
[2024-11-23 23:05:53,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786]
[2024-11-23 23:05:53,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788]
[2024-11-23 23:05:53,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794]
[2024-11-23 23:05:53,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796]
[2024-11-23 23:05:53,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802]
[2024-11-23 23:05:53,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804]
[2024-11-23 23:05:53,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810]
[2024-11-23 23:05:53,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812]
[2024-11-23 23:05:53,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817]
[2024-11-23 23:05:53,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819]
[2024-11-23 23:05:53,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824]
[2024-11-23 23:05:53,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826]
[2024-11-23 23:05:53,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831]
[2024-11-23 23:05:53,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833]
[2024-11-23 23:05:53,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838]
[2024-11-23 23:05:53,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840]
[2024-11-23 23:05:53,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845]
[2024-11-23 23:05:53,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847]
[2024-11-23 23:05:53,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852]
[2024-11-23 23:05:53,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855]
[2024-11-23 23:05:53,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861]
[2024-11-23 23:05:53,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864]
[2024-11-23 23:05:53,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870]
[2024-11-23 23:05:53,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873]
[2024-11-23 23:05:53,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879]
[2024-11-23 23:05:53,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882]
[2024-11-23 23:05:53,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888]
[2024-11-23 23:05:53,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891]
[2024-11-23 23:05:53,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897]
[2024-11-23 23:05:53,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900]
[2024-11-23 23:05:53,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907]
[2024-11-23 23:05:53,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910]
[2024-11-23 23:05:53,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917]
[2024-11-23 23:05:53,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920]
[2024-11-23 23:05:53,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927]
[2024-11-23 23:05:53,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930]
[2024-11-23 23:05:53,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937]
[2024-11-23 23:05:53,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940]
[2024-11-23 23:05:53,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947]
[2024-11-23 23:05:53,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950]
[2024-11-23 23:05:53,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957]
[2024-11-23 23:05:53,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960]
[2024-11-23 23:05:53,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966]
[2024-11-23 23:05:53,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969]
[2024-11-23 23:05:53,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975]
[2024-11-23 23:05:53,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978]
[2024-11-23 23:05:53,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984]
[2024-11-23 23:05:53,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987]
[2024-11-23 23:05:53,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993]
[2024-11-23 23:05:53,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996]
[2024-11-23 23:05:53,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002]
[2024-11-23 23:05:53,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005]
[2024-11-23 23:05:53,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011]
[2024-11-23 23:05:53,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014]
[2024-11-23 23:05:53,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020]
[2024-11-23 23:05:53,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023]
[2024-11-23 23:05:53,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029]
[2024-11-23 23:05:53,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032]
[2024-11-23 23:05:53,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038]
[2024-11-23 23:05:53,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041]
[2024-11-23 23:05:53,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047]
[2024-11-23 23:05:53,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050]
[2024-11-23 23:05:53,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056]
[2024-11-23 23:05:53,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059]
[2024-11-23 23:05:53,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065]
[2024-11-23 23:05:53,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068]
[2024-11-23 23:05:53,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074]
[2024-11-23 23:05:53,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077]
[2024-11-23 23:05:53,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083]
[2024-11-23 23:05:53,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086]
[2024-11-23 23:05:53,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092]
[2024-11-23 23:05:53,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095]
[2024-11-23 23:05:53,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101]
[2024-11-23 23:05:53,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103]
[2024-11-23 23:05:53,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109]
[2024-11-23 23:05:53,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111]
[2024-11-23 23:05:53,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117]
[2024-11-23 23:05:53,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119]
[2024-11-23 23:05:53,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125]
[2024-11-23 23:05:53,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127]
[2024-11-23 23:05:53,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133]
[2024-11-23 23:05:53,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135]
[2024-11-23 23:05:53,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141]
[2024-11-23 23:05:53,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143]
[2024-11-23 23:05:53,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149]
[2024-11-23 23:05:53,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151]
[2024-11-23 23:05:53,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157]
[2024-11-23 23:05:53,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159]
[2024-11-23 23:05:53,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165]
[2024-11-23 23:05:53,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167]
[2024-11-23 23:05:53,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173]
[2024-11-23 23:05:53,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175]
[2024-11-23 23:05:53,924 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/sv-benchmarks/c/libvsync/ttaslock.i[193996,194009]
[2024-11-23 23:05:53,925 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/sv-benchmarks/c/libvsync/ttaslock.i[194063,194076]
[2024-11-23 23:05:53,935 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:05:54,305 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:05:54,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54 WrapperNode
[2024-11-23 23:05:54,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:05:54,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:05:54,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:05:54,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:05:54,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,497 INFO L138 Inliner]: procedures = 917, calls = 911, calls flagged for inlining = 813, calls inlined = 27, statements flattened = 269
[2024-11-23 23:05:54,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:05:54,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:05:54,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:05:54,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:05:54,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,544 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 3 writes are split as follows [0, 2, 1].
[2024-11-23 23:05:54,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,555 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:05:54,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:05:54,593 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:05:54,593 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:05:54,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (1/1) ...
[2024-11-23 23:05:54,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:05:54,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:05:54,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:05:54,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cceabbf2-3ac5-4e7c-8e48-b1847e037c87/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:05:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 23:05:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 23:05:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-23 23:05:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:05:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:05:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:05:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure run
[2024-11-23 23:05:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure run
[2024-11-23 23:05:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-23 23:05:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 23:05:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 23:05:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-23 23:05:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 23:05:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:05:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 23:05:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-23 23:05:54,708 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 23:05:54,950 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:05:54,954 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:05:55,634 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 23:05:55,634 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:05:56,070 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:05:56,070 INFO L312 CfgBuilder]: Removed 38 assume(true) statements.
[2024-11-23 23:05:56,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:56 BoogieIcfgContainer
[2024-11-23 23:05:56,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:05:56,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:05:56,077 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:05:56,086 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:05:56,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:05:49" (1/3) ...
[2024-11-23 23:05:56,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dbeb8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:56, skipping insertion in model container
[2024-11-23 23:05:56,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:54" (2/3) ...
[2024-11-23 23:05:56,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dbeb8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:56, skipping insertion in model container
[2024-11-23 23:05:56,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:56" (3/3) ...
[2024-11-23 23:05:56,093 INFO L128 eAbstractionObserver]: Analyzing ICFG ttaslock.i
[2024-11-23 23:05:56,115 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:05:56,117 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ttaslock.i that has 2 procedures, 90 locations, 1 initial locations, 37 loop locations, and 2 error locations.
[2024-11-23 23:05:56,121 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 23:05:56,309 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-23 23:05:56,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 151 transitions, 309 flow
[2024-11-23 23:05:56,496 INFO L124 PetriNetUnfolderBase]: 72/181 cut-off events.
[2024-11-23 23:05:56,499 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:05:56,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 181 events. 72/181 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 484 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 135. Up to 6 conditions per place.
[2024-11-23 23:05:56,510 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 151 transitions, 309 flow
[2024-11-23 23:05:56,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 151 transitions, 309 flow
[2024-11-23 23:05:56,542 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:05:56,569 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;@2e514313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:05:56,570 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-23 23:05:56,593 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:05:56,593 INFO L124 PetriNetUnfolderBase]: 13/40 cut-off events.
[2024-11-23 23:05:56,593 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:05:56,594 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:05:56,594 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:05:56,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 23:05:56,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:05:56,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1091675312, now seen corresponding path program 1 times
[2024-11-23 23:05:56,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:05:56,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548196882]
[2024-11-23 23:05:56,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:05:56,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:05:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:05:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:05:56,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:05:56,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548196882]
[2024-11-23 23:05:56,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548196882] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:05:56,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:05:56,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:05:56,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868268496]
[2024-11-23 23:05:56,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:05:56,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:05:56,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:05:56,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:05:56,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:05:56,924 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 151
[2024-11-23 23:05:56,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 151 transitions, 309 flow. Second operand has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 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)
[2024-11-23 23:05:56,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:05:56,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 151
[2024-11-23 23:05:56,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:05:57,492 INFO L124 PetriNetUnfolderBase]: 311/907 cut-off events.
[2024-11-23 23:05:57,492 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:05:57,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1532 conditions, 907 events. 311/907 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5175 event pairs, 256 based on Foata normal form. 588/1351 useless extension candidates. Maximal degree in co-relation 1480. Up to 620 conditions per place.
[2024-11-23 23:05:57,509 INFO L140 encePairwiseOnDemand]: 97/151 looper letters, 51 selfloop transitions, 0 changer transitions 1/97 dead transitions.
[2024-11-23 23:05:57,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 97 transitions, 305 flow
[2024-11-23 23:05:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:05:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-23 23:05:57,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 196 transitions.
[2024-11-23 23:05:57,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6490066225165563
[2024-11-23 23:05:57,542 INFO L175 Difference]: Start difference. First operand has 93 places, 151 transitions, 309 flow. Second operand 2 states and 196 transitions.
[2024-11-23 23:05:57,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 97 transitions, 305 flow
[2024-11-23 23:05:57,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 97 transitions, 305 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:05:57,560 INFO L231 Difference]: Finished difference. Result has 94 places, 96 transitions, 199 flow
[2024-11-23 23:05:57,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=199, PETRI_PLACES=94, PETRI_TRANSITIONS=96}
[2024-11-23 23:05:57,571 INFO L279 CegarLoopForPetriNet]: 93 programPoint places, 1 predicate places.
[2024-11-23 23:05:57,574 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 96 transitions, 199 flow
[2024-11-23 23:05:57,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 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)
[2024-11-23 23:05:57,574 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:05:57,575 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:05:57,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:05:57,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 23:05:57,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:05:57,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1676953866, now seen corresponding path program 1 times
[2024-11-23 23:05:57,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:05:57,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948827557]
[2024-11-23 23:05:57,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:05:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:05:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:05:57,679 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:05:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:05:57,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:05:57,772 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:05:57,777 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining)
[2024-11-23 23:05:57,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2024-11-23 23:05:57,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining)
[2024-11-23 23:05:57,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:05:57,782 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-23 23:05:57,788 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 23:05:57,789 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-23 23:05:57,940 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-23 23:05:57,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 257 transitions, 530 flow
[2024-11-23 23:05:58,087 INFO L124 PetriNetUnfolderBase]: 135/339 cut-off events.
[2024-11-23 23:05:58,088 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-23 23:05:58,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 339 events. 135/339 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1262 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 259. Up to 12 conditions per place.
[2024-11-23 23:05:58,095 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 257 transitions, 530 flow
[2024-11-23 23:05:58,105 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 257 transitions, 530 flow
[2024-11-23 23:05:58,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:05:58,108 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;@2e514313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:05:58,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-23 23:05:58,117 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:05:58,117 INFO L124 PetriNetUnfolderBase]: 21/62 cut-off events.
[2024-11-23 23:05:58,117 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:05:58,117 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:05:58,117 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:05:58,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 23:05:58,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:05:58,118 INFO L85 PathProgramCache]: Analyzing trace with hash 360425567, now seen corresponding path program 1 times
[2024-11-23 23:05:58,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:05:58,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231841679]
[2024-11-23 23:05:58,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:05:58,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:05:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:05:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:05:58,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:05:58,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231841679]
[2024-11-23 23:05:58,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231841679] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:05:58,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:05:58,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:05:58,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816760165]
[2024-11-23 23:05:58,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:05:58,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:05:58,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:05:58,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:05:58,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:05:58,155 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 257
[2024-11-23 23:05:58,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 257 transitions, 530 flow. Second operand has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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)
[2024-11-23 23:05:58,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:05:58,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 257
[2024-11-23 23:05:58,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:06:06,072 INFO L124 PetriNetUnfolderBase]: 22089/39984 cut-off events.
[2024-11-23 23:06:06,072 INFO L125 PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES.
[2024-11-23 23:06:06,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72553 conditions, 39984 events. 22089/39984 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 888. Compared 352371 event pairs, 18400 based on Foata normal form. 28193/61518 useless extension candidates. Maximal degree in co-relation 64353. Up to 32397 conditions per place.
[2024-11-23 23:06:06,373 INFO L140 encePairwiseOnDemand]: 165/257 looper letters, 91 selfloop transitions, 0 changer transitions 1/165 dead transitions.
[2024-11-23 23:06:06,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 165 transitions, 530 flow
[2024-11-23 23:06:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:06:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-23 23:06:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 330 transitions.
[2024-11-23 23:06:06,382 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.642023346303502
[2024-11-23 23:06:06,384 INFO L175 Difference]: Start difference. First operand has 156 places, 257 transitions, 530 flow. Second operand 2 states and 330 transitions.
[2024-11-23 23:06:06,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 165 transitions, 530 flow
[2024-11-23 23:06:06,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 165 transitions, 530 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:06:06,395 INFO L231 Difference]: Finished difference. Result has 157 places, 164 transitions, 344 flow
[2024-11-23 23:06:06,395 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=344, PETRI_PLACES=157, PETRI_TRANSITIONS=164}
[2024-11-23 23:06:06,396 INFO L279 CegarLoopForPetriNet]: 156 programPoint places, 1 predicate places.
[2024-11-23 23:06:06,397 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 164 transitions, 344 flow
[2024-11-23 23:06:06,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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)
[2024-11-23 23:06:06,397 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:06:06,397 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:06,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:06:06,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 23:06:06,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:06,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1909057338, now seen corresponding path program 1 times
[2024-11-23 23:06:06,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:06:06,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614596512]
[2024-11-23 23:06:06,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:06,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:06,510 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:06:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:06,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:06:06,591 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:06:06,591 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining)
[2024-11-23 23:06:06,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2024-11-23 23:06:06,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining)
[2024-11-23 23:06:06,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 23:06:06,592 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-23 23:06:06,592 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 23:06:06,593 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-23 23:06:06,769 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-23 23:06:06,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 219 places, 363 transitions, 753 flow
[2024-11-23 23:06:07,036 INFO L124 PetriNetUnfolderBase]: 213/538 cut-off events.
[2024-11-23 23:06:07,037 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-11-23 23:06:07,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 538 events. 213/538 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2301 event pairs, 1 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 405. Up to 24 conditions per place.
[2024-11-23 23:06:07,047 INFO L82 GeneralOperation]: Start removeDead. Operand has 219 places, 363 transitions, 753 flow
[2024-11-23 23:06:07,062 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 363 transitions, 753 flow
[2024-11-23 23:06:07,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:06:07,064 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;@2e514313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:06:07,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-23 23:06:07,070 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:06:07,071 INFO L124 PetriNetUnfolderBase]: 21/62 cut-off events.
[2024-11-23 23:06:07,071 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:06:07,071 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:06:07,071 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:07,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 23:06:07,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:07,073 INFO L85 PathProgramCache]: Analyzing trace with hash 559592522, now seen corresponding path program 1 times
[2024-11-23 23:06:07,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:06:07,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313887915]
[2024-11-23 23:06:07,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:07,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:06:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:06:07,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:06:07,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313887915]
[2024-11-23 23:06:07,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313887915] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:06:07,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:06:07,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:06:07,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965879453]
[2024-11-23 23:06:07,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:06:07,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:06:07,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:06:07,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:06:07,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:06:07,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 363
[2024-11-23 23:06:07,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 363 transitions, 753 flow. Second operand has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 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)
[2024-11-23 23:06:07,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:06:07,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 363
[2024-11-23 23:06:07,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand