./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/libvsync/hclhlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/hclhlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd --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 b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:57:17,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:57:17,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:57:17,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:57:17,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:57:17,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:57:17,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:57:17,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:57:17,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:57:17,637 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:57:17,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:57:17,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:57:17,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:57:17,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:57:17,640 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:57:17,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:57:17,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:57:17,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:57:17,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:57:17,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:57:17,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:57:17,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:57:17,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:57:17,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:57:17,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:57:17,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:57:17,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:57:17,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:57:17,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:57:17,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:57:17,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:57:17,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:57:17,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:57:17,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:57:17,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:57:17,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:57:17,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:57:17,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:57:17,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:57:17,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:57:17,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:57:17,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:57:17,647 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_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd 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 -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2024-11-13 15:57:18,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:57:18,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:57:18,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:57:18,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:57:18,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:57:18,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/libvsync/hclhlock.i Unable to find full path for "g++" [2024-11-13 15:57:20,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:57:21,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:57:21,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i [2024-11-13 15:57:21,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/data/8bbbb189a/8554d16aab3342e19a3505324b56f8ba/FLAGab410e46f [2024-11-13 15:57:21,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/data/8bbbb189a/8554d16aab3342e19a3505324b56f8ba [2024-11-13 15:57:21,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:57:21,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:57:21,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:57:21,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:57:21,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:57:21,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:57:21" (1/1) ... [2024-11-13 15:57:21,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56bdbb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:21, skipping insertion in model container [2024-11-13 15:57:21,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:57:21" (1/1) ... [2024-11-13 15:57:21,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:57:24,696 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172094,172107] [2024-11-13 15:57:24,698 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172145,172158] [2024-11-13 15:57:24,699 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172202,172215] [2024-11-13 15:57:24,706 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172763,172776] [2024-11-13 15:57:24,706 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172814,172827] [2024-11-13 15:57:24,715 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174060,174073] [2024-11-13 15:57:24,715 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174118,174131] [2024-11-13 15:57:24,718 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174622,174635] [2024-11-13 15:57:24,718 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174679,174692] [2024-11-13 15:57:24,719 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174746,174759] [2024-11-13 15:57:24,720 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[175274,175287] [2024-11-13 15:57:24,721 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[175341,175354] [2024-11-13 15:57:24,724 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[175944,175957] [2024-11-13 15:57:25,216 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[198494,198507] [2024-11-13 15:57:25,217 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[198561,198574] [2024-11-13 15:57:25,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:57:25,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:57:25,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-13 15:57:25,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-13 15:57:25,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-13 15:57:25,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-13 15:57:25,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-13 15:57:25,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-13 15:57:25,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-13 15:57:25,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-13 15:57:25,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-13 15:57:25,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-13 15:57:25,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-13 15:57:25,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-13 15:57:25,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-13 15:57:25,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-13 15:57:25,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-13 15:57:25,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-13 15:57:25,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-13 15:57:25,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-13 15:57:25,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-13 15:57:25,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-13 15:57:25,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-13 15:57:25,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-13 15:57:25,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-13 15:57:25,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-13 15:57:25,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-13 15:57:25,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-13 15:57:25,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-13 15:57:25,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-13 15:57:25,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-13 15:57:25,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-13 15:57:25,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-13 15:57:25,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-13 15:57:25,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-13 15:57:25,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-13 15:57:25,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-13 15:57:25,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-13 15:57:25,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-13 15:57:25,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-13 15:57:25,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-13 15:57:25,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-13 15:57:25,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-13 15:57:25,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-13 15:57:25,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-13 15:57:25,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-13 15:57:25,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-13 15:57:25,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-13 15:57:25,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-13 15:57:25,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-13 15:57:25,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-13 15:57:25,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-13 15:57:25,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-13 15:57:25,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-13 15:57:25,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-13 15:57:25,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-13 15:57:25,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-13 15:57:25,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-13 15:57:25,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-13 15:57:25,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-13 15:57:25,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-13 15:57:25,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-13 15:57:25,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-13 15:57:25,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-13 15:57:25,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-13 15:57:25,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-13 15:57:25,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-13 15:57:25,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-13 15:57:25,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-13 15:57:25,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-13 15:57:25,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-13 15:57:25,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-13 15:57:25,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-13 15:57:25,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-13 15:57:25,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-13 15:57:25,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-13 15:57:25,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-13 15:57:25,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-13 15:57:25,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-13 15:57:25,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-13 15:57:25,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-13 15:57:25,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-13 15:57:25,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-13 15:57:25,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-13 15:57:25,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-13 15:57:25,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-13 15:57:25,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-13 15:57:25,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-13 15:57:25,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-13 15:57:25,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-13 15:57:25,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-13 15:57:25,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-13 15:57:25,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-13 15:57:25,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-13 15:57:25,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-13 15:57:25,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-13 15:57:25,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-13 15:57:25,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-13 15:57:25,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-13 15:57:25,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-13 15:57:25,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-13 15:57:25,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-13 15:57:25,626 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172094,172107] [2024-11-13 15:57:25,628 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172145,172158] [2024-11-13 15:57:25,628 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172202,172215] [2024-11-13 15:57:25,631 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172763,172776] [2024-11-13 15:57:25,632 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[172814,172827] [2024-11-13 15:57:25,637 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174060,174073] [2024-11-13 15:57:25,638 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174118,174131] [2024-11-13 15:57:25,643 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174622,174635] [2024-11-13 15:57:25,644 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174679,174692] [2024-11-13 15:57:25,644 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[174746,174759] [2024-11-13 15:57:25,645 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[175274,175287] [2024-11-13 15:57:25,646 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[175341,175354] [2024-11-13 15:57:25,649 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[175944,175957] [2024-11-13 15:57:25,719 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[198494,198507] [2024-11-13 15:57:25,720 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_2c002285-ad05-4649-9812-d1c051502a51/sv-benchmarks/c/libvsync/hclhlock.i[198561,198574] [2024-11-13 15:57:25,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:57:26,078 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:57:26,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26 WrapperNode [2024-11-13 15:57:26,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:57:26,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:57:26,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:57:26,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:57:26,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,270 INFO L138 Inliner]: procedures = 921, calls = 957, calls flagged for inlining = 833, calls inlined = 67, statements flattened = 815 [2024-11-13 15:57:26,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:57:26,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:57:26,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:57:26,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:57:26,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,370 INFO L175 MemorySlicer]: Split 50 memory accesses to 4 slices as follows [2, 28, 18, 2]. 56 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 7, 6, 0]. The 15 writes are split as follows [0, 9, 5, 1]. [2024-11-13 15:57:26,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:57:26,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:57:26,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:57:26,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:57:26,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (1/1) ... [2024-11-13 15:57:26,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:57:26,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:57:26,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:57:26,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:57:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:57:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:57:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:57:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:57:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:57:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:57:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:57:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 15:57:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 15:57:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:57:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:57:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-13 15:57:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-13 15:57:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:57:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:57:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:57:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 15:57:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 15:57:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:57:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:57:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:57:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:57:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:57:26,624 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:57:26,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:57:26,944 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:57:28,930 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:57:28,930 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:57:29,739 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:57:29,739 INFO L316 CfgBuilder]: Removed 106 assume(true) statements. [2024-11-13 15:57:29,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:57:29 BoogieIcfgContainer [2024-11-13 15:57:29,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:57:29,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:57:29,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:57:29,752 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:57:29,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:57:21" (1/3) ... [2024-11-13 15:57:29,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c78ed90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:57:29, skipping insertion in model container [2024-11-13 15:57:29,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:57:26" (2/3) ... [2024-11-13 15:57:29,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c78ed90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:57:29, skipping insertion in model container [2024-11-13 15:57:29,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:57:29" (3/3) ... [2024-11-13 15:57:29,758 INFO L112 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2024-11-13 15:57:29,783 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:57:29,785 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hclhlock.i that has 2 procedures, 244 locations, 1 initial locations, 60 loop locations, and 17 error locations. [2024-11-13 15:57:29,786 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:57:30,151 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 15:57:30,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 385 transitions, 777 flow [2024-11-13 15:57:30,413 INFO L124 PetriNetUnfolderBase]: 152/415 cut-off events. [2024-11-13 15:57:30,420 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:57:30,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 415 events. 152/415 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1286 event pairs, 0 based on Foata normal form. 0/241 useless extension candidates. Maximal degree in co-relation 316. Up to 6 conditions per place. [2024-11-13 15:57:30,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 385 transitions, 777 flow [2024-11-13 15:57:30,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 385 transitions, 777 flow [2024-11-13 15:57:30,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:57:30,501 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;@2347d54c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:57:30,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-13 15:57:30,517 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:57:30,517 INFO L124 PetriNetUnfolderBase]: 4/19 cut-off events. [2024-11-13 15:57:30,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:57:30,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:30,519 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:30,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:30,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:30,526 INFO L85 PathProgramCache]: Analyzing trace with hash -145439912, now seen corresponding path program 1 times [2024-11-13 15:57:30,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:30,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179023885] [2024-11-13 15:57:30,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:30,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:57:31,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:31,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179023885] [2024-11-13 15:57:31,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179023885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:57:31,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:57:31,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:57:31,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615610558] [2024-11-13 15:57:31,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:57:31,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:57:31,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:31,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:57:31,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:57:31,264 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-11-13 15:57:31,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 385 transitions, 777 flow. Second operand has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-13 15:57:31,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:31,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-11-13 15:57:31,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:32,561 INFO L124 PetriNetUnfolderBase]: 945/2650 cut-off events. [2024-11-13 15:57:32,562 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:57:32,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4383 conditions, 2650 events. 945/2650 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17898 event pairs, 696 based on Foata normal form. 1475/3717 useless extension candidates. Maximal degree in co-relation 4276. Up to 1717 conditions per place. [2024-11-13 15:57:32,592 INFO L140 encePairwiseOnDemand]: 274/385 looper letters, 141 selfloop transitions, 3 changer transitions 0/275 dead transitions. [2024-11-13 15:57:32,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 275 transitions, 845 flow [2024-11-13 15:57:32,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:57:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 15:57:32,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 780 transitions. [2024-11-13 15:57:32,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5064935064935064 [2024-11-13 15:57:32,633 INFO L175 Difference]: Start difference. First operand has 247 places, 385 transitions, 777 flow. Second operand 4 states and 780 transitions. [2024-11-13 15:57:32,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 275 transitions, 845 flow [2024-11-13 15:57:32,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 275 transitions, 845 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:57:32,655 INFO L231 Difference]: Finished difference. Result has 248 places, 275 transitions, 563 flow [2024-11-13 15:57:32,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=563, PETRI_PLACES=248, PETRI_TRANSITIONS=275} [2024-11-13 15:57:32,665 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 1 predicate places. [2024-11-13 15:57:32,666 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 275 transitions, 563 flow [2024-11-13 15:57:32,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-13 15:57:32,667 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:32,667 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:32,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:57:32,668 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:32,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:32,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1966211378, now seen corresponding path program 1 times [2024-11-13 15:57:32,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:32,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798978803] [2024-11-13 15:57:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:32,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:57:32,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:32,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798978803] [2024-11-13 15:57:32,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798978803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:57:32,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:57:32,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:57:32,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444885720] [2024-11-13 15:57:32,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:57:32,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:57:32,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:32,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:57:32,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:57:32,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-11-13 15:57:33,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 275 transitions, 563 flow. Second operand has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-13 15:57:33,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:33,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-11-13 15:57:33,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:34,068 INFO L124 PetriNetUnfolderBase]: 945/2648 cut-off events. [2024-11-13 15:57:34,068 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:57:34,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4385 conditions, 2648 events. 945/2648 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17866 event pairs, 696 based on Foata normal form. 1/2243 useless extension candidates. Maximal degree in co-relation 4338. Up to 1717 conditions per place. [2024-11-13 15:57:34,087 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 141 selfloop transitions, 3 changer transitions 0/273 dead transitions. [2024-11-13 15:57:34,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 273 transitions, 847 flow [2024-11-13 15:57:34,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:57:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 15:57:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 673 transitions. [2024-11-13 15:57:34,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.437012987012987 [2024-11-13 15:57:34,093 INFO L175 Difference]: Start difference. First operand has 248 places, 275 transitions, 563 flow. Second operand 4 states and 673 transitions. [2024-11-13 15:57:34,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 273 transitions, 847 flow [2024-11-13 15:57:34,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 273 transitions, 841 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 15:57:34,108 INFO L231 Difference]: Finished difference. Result has 246 places, 273 transitions, 559 flow [2024-11-13 15:57:34,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=559, PETRI_PLACES=246, PETRI_TRANSITIONS=273} [2024-11-13 15:57:34,110 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -1 predicate places. [2024-11-13 15:57:34,112 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 273 transitions, 559 flow [2024-11-13 15:57:34,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-13 15:57:34,113 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:34,113 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:34,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:57:34,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:34,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:34,115 INFO L85 PathProgramCache]: Analyzing trace with hash -256663301, now seen corresponding path program 1 times [2024-11-13 15:57:34,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:34,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590847244] [2024-11-13 15:57:34,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:34,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:57:34,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:34,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590847244] [2024-11-13 15:57:34,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590847244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:57:34,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:57:34,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:57:34,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629613831] [2024-11-13 15:57:34,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:57:34,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:57:34,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:34,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:57:34,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:57:34,330 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-11-13 15:57:34,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 273 transitions, 559 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2024-11-13 15:57:34,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:34,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-11-13 15:57:34,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:35,305 INFO L124 PetriNetUnfolderBase]: 945/2651 cut-off events. [2024-11-13 15:57:35,305 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:57:35,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4391 conditions, 2651 events. 945/2651 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17917 event pairs, 696 based on Foata normal form. 0/2245 useless extension candidates. Maximal degree in co-relation 4344. Up to 1724 conditions per place. [2024-11-13 15:57:35,324 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 145 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2024-11-13 15:57:35,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 276 transitions, 859 flow [2024-11-13 15:57:35,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:57:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:57:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2024-11-13 15:57:35,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47359307359307357 [2024-11-13 15:57:35,328 INFO L175 Difference]: Start difference. First operand has 246 places, 273 transitions, 559 flow. Second operand 3 states and 547 transitions. [2024-11-13 15:57:35,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 276 transitions, 859 flow [2024-11-13 15:57:35,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 276 transitions, 853 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 15:57:35,339 INFO L231 Difference]: Finished difference. Result has 246 places, 274 transitions, 565 flow [2024-11-13 15:57:35,340 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=246, PETRI_TRANSITIONS=274} [2024-11-13 15:57:35,341 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -1 predicate places. [2024-11-13 15:57:35,341 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 274 transitions, 565 flow [2024-11-13 15:57:35,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2024-11-13 15:57:35,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:35,342 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:35,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:57:35,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:35,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:35,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1133070540, now seen corresponding path program 1 times [2024-11-13 15:57:35,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:35,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133122052] [2024-11-13 15:57:35,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:35,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:57:35,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:35,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133122052] [2024-11-13 15:57:35,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133122052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:57:35,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135101444] [2024-11-13 15:57:35,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:35,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:57:35,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:57:35,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:57:35,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:57:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:35,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:57:35,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:57:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:57:35,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:57:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:57:36,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135101444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:57:36,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:57:36,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 15:57:36,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176501983] [2024-11-13 15:57:36,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:57:36,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:57:36,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:36,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:57:36,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:57:36,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-11-13 15:57:36,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 274 transitions, 565 flow. Second operand has 7 states, 7 states have (on average 135.42857142857142) internal successors, (948), 7 states have internal predecessors, (948), 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) [2024-11-13 15:57:36,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:36,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-11-13 15:57:36,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:37,522 INFO L124 PetriNetUnfolderBase]: 945/2654 cut-off events. [2024-11-13 15:57:37,522 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:57:37,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4401 conditions, 2654 events. 945/2654 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17852 event pairs, 696 based on Foata normal form. 1/2249 useless extension candidates. Maximal degree in co-relation 4377. Up to 1722 conditions per place. [2024-11-13 15:57:37,538 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 145 selfloop transitions, 5 changer transitions 0/279 dead transitions. [2024-11-13 15:57:37,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 279 transitions, 877 flow [2024-11-13 15:57:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:57:37,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 15:57:37,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 816 transitions. [2024-11-13 15:57:37,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4238961038961039 [2024-11-13 15:57:37,543 INFO L175 Difference]: Start difference. First operand has 246 places, 274 transitions, 565 flow. Second operand 5 states and 816 transitions. [2024-11-13 15:57:37,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 279 transitions, 877 flow [2024-11-13 15:57:37,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 279 transitions, 875 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:57:37,550 INFO L231 Difference]: Finished difference. Result has 251 places, 276 transitions, 589 flow [2024-11-13 15:57:37,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=589, PETRI_PLACES=251, PETRI_TRANSITIONS=276} [2024-11-13 15:57:37,551 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 4 predicate places. [2024-11-13 15:57:37,551 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 276 transitions, 589 flow [2024-11-13 15:57:37,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 135.42857142857142) internal successors, (948), 7 states have internal predecessors, (948), 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) [2024-11-13 15:57:37,552 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:37,552 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:37,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:57:37,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:57:37,756 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:37,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:37,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1074935205, now seen corresponding path program 2 times [2024-11-13 15:57:37,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:37,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865334619] [2024-11-13 15:57:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:37,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:57:38,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:38,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865334619] [2024-11-13 15:57:38,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865334619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:57:38,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:57:38,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:57:38,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135726184] [2024-11-13 15:57:38,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:57:38,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:57:38,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:38,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:57:38,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:57:38,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-11-13 15:57:38,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 276 transitions, 589 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2024-11-13 15:57:38,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:38,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-11-13 15:57:38,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:38,927 INFO L124 PetriNetUnfolderBase]: 945/2652 cut-off events. [2024-11-13 15:57:38,927 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-13 15:57:38,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4410 conditions, 2652 events. 945/2652 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17885 event pairs, 696 based on Foata normal form. 1/2248 useless extension candidates. Maximal degree in co-relation 4362. Up to 1724 conditions per place. [2024-11-13 15:57:38,942 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 145 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2024-11-13 15:57:38,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 274 transitions, 879 flow [2024-11-13 15:57:38,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:57:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:57:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2024-11-13 15:57:38,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4683982683982684 [2024-11-13 15:57:38,946 INFO L175 Difference]: Start difference. First operand has 251 places, 276 transitions, 589 flow. Second operand 3 states and 541 transitions. [2024-11-13 15:57:38,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 274 transitions, 879 flow [2024-11-13 15:57:38,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 274 transitions, 873 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-13 15:57:38,955 INFO L231 Difference]: Finished difference. Result has 250 places, 274 transitions, 583 flow [2024-11-13 15:57:38,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=583, PETRI_PLACES=250, PETRI_TRANSITIONS=274} [2024-11-13 15:57:38,956 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 3 predicate places. [2024-11-13 15:57:38,956 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 274 transitions, 583 flow [2024-11-13 15:57:38,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2024-11-13 15:57:38,957 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:38,957 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:38,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:57:38,957 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:38,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:38,958 INFO L85 PathProgramCache]: Analyzing trace with hash -119727379, now seen corresponding path program 1 times [2024-11-13 15:57:38,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:38,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766428166] [2024-11-13 15:57:38,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:38,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:57:39,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:39,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766428166] [2024-11-13 15:57:39,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766428166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:57:39,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:57:39,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:57:39,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621978936] [2024-11-13 15:57:39,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:57:39,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:57:39,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:39,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:57:39,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:57:39,326 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 385 [2024-11-13 15:57:39,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 274 transitions, 583 flow. Second operand has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-13 15:57:39,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:39,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 385 [2024-11-13 15:57:39,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:40,344 INFO L124 PetriNetUnfolderBase]: 945/2650 cut-off events. [2024-11-13 15:57:40,345 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 15:57:40,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4408 conditions, 2650 events. 945/2650 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17819 event pairs, 696 based on Foata normal form. 1/2248 useless extension candidates. Maximal degree in co-relation 4365. Up to 1724 conditions per place. [2024-11-13 15:57:40,366 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 143 selfloop transitions, 4 changer transitions 0/272 dead transitions. [2024-11-13 15:57:40,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 272 transitions, 873 flow [2024-11-13 15:57:40,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:57:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 15:57:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 669 transitions. [2024-11-13 15:57:40,370 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4344155844155844 [2024-11-13 15:57:40,370 INFO L175 Difference]: Start difference. First operand has 250 places, 274 transitions, 583 flow. Second operand 4 states and 669 transitions. [2024-11-13 15:57:40,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 272 transitions, 873 flow [2024-11-13 15:57:40,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 272 transitions, 869 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:57:40,377 INFO L231 Difference]: Finished difference. Result has 249 places, 272 transitions, 583 flow [2024-11-13 15:57:40,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=583, PETRI_PLACES=249, PETRI_TRANSITIONS=272} [2024-11-13 15:57:40,379 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 2 predicate places. [2024-11-13 15:57:40,379 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 272 transitions, 583 flow [2024-11-13 15:57:40,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-13 15:57:40,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:40,382 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:40,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:57:40,382 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:40,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:40,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1746343248, now seen corresponding path program 1 times [2024-11-13 15:57:40,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:40,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139094183] [2024-11-13 15:57:40,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:40,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 15:57:40,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:40,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139094183] [2024-11-13 15:57:40,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139094183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:57:40,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:57:40,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:57:40,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282298110] [2024-11-13 15:57:40,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:57:40,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:57:40,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:40,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:57:40,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:57:40,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-11-13 15:57:40,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 272 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2024-11-13 15:57:40,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:40,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-11-13 15:57:40,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:41,445 INFO L124 PetriNetUnfolderBase]: 948/2673 cut-off events. [2024-11-13 15:57:41,446 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-13 15:57:41,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4448 conditions, 2673 events. 948/2673 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17847 event pairs, 696 based on Foata normal form. 1/2271 useless extension candidates. Maximal degree in co-relation 4402. Up to 1734 conditions per place. [2024-11-13 15:57:41,460 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 156 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-13 15:57:41,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 283 transitions, 929 flow [2024-11-13 15:57:41,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:57:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:57:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-13 15:57:41,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4805194805194805 [2024-11-13 15:57:41,464 INFO L175 Difference]: Start difference. First operand has 249 places, 272 transitions, 583 flow. Second operand 3 states and 555 transitions. [2024-11-13 15:57:41,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 283 transitions, 929 flow [2024-11-13 15:57:41,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 283 transitions, 913 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 15:57:41,471 INFO L231 Difference]: Finished difference. Result has 249 places, 273 transitions, 587 flow [2024-11-13 15:57:41,472 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=249, PETRI_TRANSITIONS=273} [2024-11-13 15:57:41,473 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 2 predicate places. [2024-11-13 15:57:41,473 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 273 transitions, 587 flow [2024-11-13 15:57:41,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2024-11-13 15:57:41,473 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:41,474 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:41,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:57:41,474 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:41,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:41,475 INFO L85 PathProgramCache]: Analyzing trace with hash -637210158, now seen corresponding path program 1 times [2024-11-13 15:57:41,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:41,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012418984] [2024-11-13 15:57:41,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:41,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 15:57:41,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:41,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012418984] [2024-11-13 15:57:41,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012418984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:57:41,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634464674] [2024-11-13 15:57:41,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:41,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:57:41,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:57:41,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:57:41,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:57:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:42,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 15:57:42,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:57:42,092 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 15:57:42,092 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:57:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:57:42,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634464674] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:57:42,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:57:42,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 6] total 9 [2024-11-13 15:57:42,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831596293] [2024-11-13 15:57:42,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:57:42,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:57:42,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:42,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:57:42,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:57:42,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-11-13 15:57:42,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 273 transitions, 587 flow. Second operand has 9 states, 9 states have (on average 137.44444444444446) internal successors, (1237), 9 states have internal predecessors, (1237), 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) [2024-11-13 15:57:42,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:42,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-11-13 15:57:42,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:43,973 INFO L124 PetriNetUnfolderBase]: 951/2697 cut-off events. [2024-11-13 15:57:43,973 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-13 15:57:43,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4483 conditions, 2697 events. 951/2697 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17766 event pairs, 696 based on Foata normal form. 2/2296 useless extension candidates. Maximal degree in co-relation 4436. Up to 1723 conditions per place. [2024-11-13 15:57:43,989 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 165 selfloop transitions, 5 changer transitions 0/295 dead transitions. [2024-11-13 15:57:43,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 295 transitions, 973 flow [2024-11-13 15:57:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:57:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 15:57:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 834 transitions. [2024-11-13 15:57:43,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43324675324675327 [2024-11-13 15:57:43,993 INFO L175 Difference]: Start difference. First operand has 249 places, 273 transitions, 587 flow. Second operand 5 states and 834 transitions. [2024-11-13 15:57:43,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 295 transitions, 973 flow [2024-11-13 15:57:43,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 295 transitions, 971 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:57:44,001 INFO L231 Difference]: Finished difference. Result has 255 places, 275 transitions, 615 flow [2024-11-13 15:57:44,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=615, PETRI_PLACES=255, PETRI_TRANSITIONS=275} [2024-11-13 15:57:44,002 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 8 predicate places. [2024-11-13 15:57:44,003 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 275 transitions, 615 flow [2024-11-13 15:57:44,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 137.44444444444446) internal successors, (1237), 9 states have internal predecessors, (1237), 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) [2024-11-13 15:57:44,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:44,004 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:44,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:57:44,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-13 15:57:44,209 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:44,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:44,209 INFO L85 PathProgramCache]: Analyzing trace with hash 782857238, now seen corresponding path program 2 times [2024-11-13 15:57:44,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:44,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999911424] [2024-11-13 15:57:44,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:44,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:57:45,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:45,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999911424] [2024-11-13 15:57:45,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999911424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:57:45,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155872062] [2024-11-13 15:57:45,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:57:45,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:57:45,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:57:45,370 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:57:45,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:57:46,058 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:57:46,059 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:57:46,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:57:46,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:57:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:57:46,170 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:57:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:57:46,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155872062] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:57:46,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:57:46,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 16 [2024-11-13 15:57:46,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131315773] [2024-11-13 15:57:46,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:57:46,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:57:46,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:46,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:57:46,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:57:46,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 385 [2024-11-13 15:57:46,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 275 transitions, 615 flow. Second operand has 16 states, 16 states have (on average 130.625) internal successors, (2090), 16 states have internal predecessors, (2090), 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) [2024-11-13 15:57:46,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:46,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 385 [2024-11-13 15:57:46,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:57:49,863 INFO L124 PetriNetUnfolderBase]: 955/2747 cut-off events. [2024-11-13 15:57:49,863 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-13 15:57:49,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4606 conditions, 2747 events. 955/2747 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 18007 event pairs, 696 based on Foata normal form. 0/2332 useless extension candidates. Maximal degree in co-relation 4557. Up to 1723 conditions per place. [2024-11-13 15:57:49,879 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 185 selfloop transitions, 35 changer transitions 0/341 dead transitions. [2024-11-13 15:57:49,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 341 transitions, 1207 flow [2024-11-13 15:57:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:57:49,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-13 15:57:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3014 transitions. [2024-11-13 15:57:49,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35584415584415585 [2024-11-13 15:57:49,893 INFO L175 Difference]: Start difference. First operand has 255 places, 275 transitions, 615 flow. Second operand 22 states and 3014 transitions. [2024-11-13 15:57:49,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 341 transitions, 1207 flow [2024-11-13 15:57:49,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 341 transitions, 1199 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-13 15:57:49,904 INFO L231 Difference]: Finished difference. Result has 287 places, 307 transitions, 844 flow [2024-11-13 15:57:49,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=844, PETRI_PLACES=287, PETRI_TRANSITIONS=307} [2024-11-13 15:57:49,908 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 40 predicate places. [2024-11-13 15:57:49,908 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 307 transitions, 844 flow [2024-11-13 15:57:49,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 130.625) internal successors, (2090), 16 states have internal predecessors, (2090), 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) [2024-11-13 15:57:49,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:49,911 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:49,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:57:50,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c002285-ad05-4649-9812-d1c051502a51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 15:57:50,116 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-13 15:57:50,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:50,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1593089005, now seen corresponding path program 1 times [2024-11-13 15:57:50,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:50,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570381922] [2024-11-13 15:57:50,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:50,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:57:50,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:57:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:57:50,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:57:50,975 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:57:50,976 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining) [2024-11-13 15:57:50,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 29 remaining) [2024-11-13 15:57:50,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (26 of 29 remaining) [2024-11-13 15:57:50,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (25 of 29 remaining) [2024-11-13 15:57:50,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (24 of 29 remaining) [2024-11-13 15:57:50,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (23 of 29 remaining) [2024-11-13 15:57:50,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (22 of 29 remaining) [2024-11-13 15:57:50,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONERROR_FUNCTION (20 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONERROR_FUNCTION (19 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONERROR_FUNCTION (18 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONERROR_FUNCTION (17 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONERROR_FUNCTION (16 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONERROR_FUNCTION (15 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONERROR_FUNCTION (14 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONERROR_FUNCTION (13 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONERROR_FUNCTION (12 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONERROR_FUNCTION (11 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 29 remaining) [2024-11-13 15:57:50,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 29 remaining) [2024-11-13 15:57:50,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONERROR_FUNCTION (8 of 29 remaining) [2024-11-13 15:57:50,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONERROR_FUNCTION (7 of 29 remaining) [2024-11-13 15:57:50,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONERROR_FUNCTION (6 of 29 remaining) [2024-11-13 15:57:50,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONERROR_FUNCTION (5 of 29 remaining) [2024-11-13 15:57:50,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 29 remaining) [2024-11-13 15:57:50,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 29 remaining) [2024-11-13 15:57:50,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONERROR_FUNCTION (2 of 29 remaining) [2024-11-13 15:57:50,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONERROR_FUNCTION (1 of 29 remaining) [2024-11-13 15:57:50,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 29 remaining) [2024-11-13 15:57:50,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:57:50,986 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:50,989 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 15:57:50,989 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 15:57:51,253 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 15:57:51,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 672 transitions, 1360 flow [2024-11-13 15:57:51,502 INFO L124 PetriNetUnfolderBase]: 277/754 cut-off events. [2024-11-13 15:57:51,503 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-13 15:57:51,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 754 events. 277/754 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3110 event pairs, 0 based on Foata normal form. 0/439 useless extension candidates. Maximal degree in co-relation 621. Up to 12 conditions per place. [2024-11-13 15:57:51,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 672 transitions, 1360 flow [2024-11-13 15:57:51,551 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 429 places, 672 transitions, 1360 flow [2024-11-13 15:57:51,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:57:51,556 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;@2347d54c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:57:51,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-13 15:57:51,563 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:57:51,563 INFO L124 PetriNetUnfolderBase]: 4/19 cut-off events. [2024-11-13 15:57:51,563 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:57:51,564 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:57:51,564 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:57:51,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2024-11-13 15:57:51,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:57:51,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1465611768, now seen corresponding path program 1 times [2024-11-13 15:57:51,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:57:51,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452933790] [2024-11-13 15:57:51,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:57:51,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:57:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:57:51,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:57:51,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:57:51,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452933790] [2024-11-13 15:57:51,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452933790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:57:51,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:57:51,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:57:51,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913811173] [2024-11-13 15:57:51,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:57:51,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:57:51,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:57:51,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:57:51,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:57:51,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 672 [2024-11-13 15:57:51,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 672 transitions, 1360 flow. Second operand has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 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) [2024-11-13 15:57:51,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:57:51,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 672 [2024-11-13 15:57:51,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand