./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/hclhlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 21:55:24,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:55:24,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:55:24,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:55:24,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:55:24,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:55:24,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:55:24,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:55:24,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:55:24,260 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:55:24,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:55:24,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:55:24,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:55:24,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:55:24,262 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:55:24,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:55:24,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:55:24,263 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:55:24,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:55:24,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:55:24,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:55:24,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:55:24,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:55:24,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:55:24,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:55:24,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:55:24,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:55:24,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:55:24,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:55:24,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:55:24,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:55:24,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:55:24,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:24,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:55:24,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:55:24,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:55:24,276 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:55:24,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:55:24,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:55:24,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:55:24,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:55:24,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:55:24,280 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2024-10-31 21:55:24,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:55:24,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:55:24,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:55:24,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:55:24,609 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:55:24,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/libvsync/hclhlock.i Unable to find full path for "g++" [2024-10-31 21:55:26,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:55:27,137 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:55:27,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i [2024-10-31 21:55:27,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/data/65739da23/10834d7449b2449cafa0f206a9db92b1/FLAG66f08eefe [2024-10-31 21:55:27,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/data/65739da23/10834d7449b2449cafa0f206a9db92b1 [2024-10-31 21:55:27,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:55:27,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:55:27,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:55:27,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:55:27,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:55:27,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed8440b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27, skipping insertion in model container [2024-10-31 21:55:27,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:55:30,348 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172094,172107] [2024-10-31 21:55:30,351 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172145,172158] [2024-10-31 21:55:30,352 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172202,172215] [2024-10-31 21:55:30,357 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172763,172776] [2024-10-31 21:55:30,358 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172814,172827] [2024-10-31 21:55:30,365 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174060,174073] [2024-10-31 21:55:30,366 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174118,174131] [2024-10-31 21:55:30,368 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174622,174635] [2024-10-31 21:55:30,369 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174679,174692] [2024-10-31 21:55:30,370 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174746,174759] [2024-10-31 21:55:30,372 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[175274,175287] [2024-10-31 21:55:30,373 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[175341,175354] [2024-10-31 21:55:30,375 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[175944,175957] [2024-10-31 21:55:30,693 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[198494,198507] [2024-10-31 21:55:30,693 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[198561,198574] [2024-10-31 21:55:30,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:55:30,729 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:55:30,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-10-31 21:55:30,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-10-31 21:55:30,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-10-31 21:55:30,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-10-31 21:55:30,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-10-31 21:55:30,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-10-31 21:55:30,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-10-31 21:55:30,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-10-31 21:55:30,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-10-31 21:55:30,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-10-31 21:55:30,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-10-31 21:55:30,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-10-31 21:55:30,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-10-31 21:55:30,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-10-31 21:55:30,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-10-31 21:55:30,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-10-31 21:55:30,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-10-31 21:55:30,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-10-31 21:55:30,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-10-31 21:55:30,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-10-31 21:55:30,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-10-31 21:55:30,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-10-31 21:55:30,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-10-31 21:55:30,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-10-31 21:55:30,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-10-31 21:55:30,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-10-31 21:55:30,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-10-31 21:55:30,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-10-31 21:55:30,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-10-31 21:55:30,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-10-31 21:55:30,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-10-31 21:55:30,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-10-31 21:55:30,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-10-31 21:55:30,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-10-31 21:55:30,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-10-31 21:55:30,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-10-31 21:55:30,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-10-31 21:55:30,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-10-31 21:55:30,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-10-31 21:55:30,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-10-31 21:55:30,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-10-31 21:55:30,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-10-31 21:55:30,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-10-31 21:55:30,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-10-31 21:55:30,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-10-31 21:55:30,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-10-31 21:55:30,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-10-31 21:55:30,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-10-31 21:55:30,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-10-31 21:55:30,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-10-31 21:55:30,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-10-31 21:55:30,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-10-31 21:55:30,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-10-31 21:55:30,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-10-31 21:55:30,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-10-31 21:55:30,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-10-31 21:55:30,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-10-31 21:55:30,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-10-31 21:55:30,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-10-31 21:55:30,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-10-31 21:55:30,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-10-31 21:55:30,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-10-31 21:55:30,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-10-31 21:55:30,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-10-31 21:55:30,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-10-31 21:55:30,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-10-31 21:55:30,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-10-31 21:55:30,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-10-31 21:55:30,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-10-31 21:55:30,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-10-31 21:55:30,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-10-31 21:55:30,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-10-31 21:55:30,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-10-31 21:55:30,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-10-31 21:55:30,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-10-31 21:55:30,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-10-31 21:55:30,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-10-31 21:55:30,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-10-31 21:55:30,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-10-31 21:55:30,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-10-31 21:55:30,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-10-31 21:55:30,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-10-31 21:55:30,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-10-31 21:55:30,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-10-31 21:55:30,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-10-31 21:55:30,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-10-31 21:55:30,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-10-31 21:55:30,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-10-31 21:55:30,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-10-31 21:55:30,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-10-31 21:55:30,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-10-31 21:55:30,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-10-31 21:55:30,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-10-31 21:55:30,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-10-31 21:55:30,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-10-31 21:55:30,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-10-31 21:55:30,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-10-31 21:55:30,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-10-31 21:55:30,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-10-31 21:55:30,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-10-31 21:55:31,021 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172094,172107] [2024-10-31 21:55:31,022 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172145,172158] [2024-10-31 21:55:31,023 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172202,172215] [2024-10-31 21:55:31,025 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172763,172776] [2024-10-31 21:55:31,026 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[172814,172827] [2024-10-31 21:55:31,029 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174060,174073] [2024-10-31 21:55:31,030 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174118,174131] [2024-10-31 21:55:31,032 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174622,174635] [2024-10-31 21:55:31,036 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174679,174692] [2024-10-31 21:55:31,036 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[174746,174759] [2024-10-31 21:55:31,038 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[175274,175287] [2024-10-31 21:55:31,038 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[175341,175354] [2024-10-31 21:55:31,040 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[175944,175957] [2024-10-31 21:55:31,055 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[198494,198507] [2024-10-31 21:55:31,056 WARN L251 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_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/sv-benchmarks/c/libvsync/hclhlock.i[198561,198574] [2024-10-31 21:55:31,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:55:31,527 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:55:31,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31 WrapperNode [2024-10-31 21:55:31,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:55:31,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:55:31,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:55:31,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:55:31,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,730 INFO L138 Inliner]: procedures = 921, calls = 957, calls flagged for inlining = 833, calls inlined = 67, statements flattened = 875 [2024-10-31 21:55:31,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:55:31,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:55:31,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:55:31,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:55:31,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,832 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]. [2024-10-31 21:55:31,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:55:31,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:55:31,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:55:31,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:55:31,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (1/1) ... [2024-10-31 21:55:31,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:55:31,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:55:31,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:55:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:55:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:55:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:55:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:55:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-10-31 21:55:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-10-31 21:55:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:55:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:55:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:55:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:55:32,004 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:55:32,235 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:55:32,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:55:33,809 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:55:33,810 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:55:34,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:55:34,454 INFO L316 CfgBuilder]: Removed 106 assume(true) statements. [2024-10-31 21:55:34,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:34 BoogieIcfgContainer [2024-10-31 21:55:34,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:55:34,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:55:34,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:55:34,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:55:34,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:55:27" (1/3) ... [2024-10-31 21:55:34,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110d93b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:55:34, skipping insertion in model container [2024-10-31 21:55:34,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:31" (2/3) ... [2024-10-31 21:55:34,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110d93b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:55:34, skipping insertion in model container [2024-10-31 21:55:34,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:34" (3/3) ... [2024-10-31 21:55:34,464 INFO L112 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2024-10-31 21:55:34,484 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:55:34,484 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-31 21:55:34,484 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:55:34,802 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 21:55:34,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 385 transitions, 777 flow [2024-10-31 21:55:35,007 INFO L124 PetriNetUnfolderBase]: 152/415 cut-off events. [2024-10-31 21:55:35,007 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 21:55:35,020 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 1283 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. [2024-10-31 21:55:35,020 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 385 transitions, 777 flow [2024-10-31 21:55:35,033 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 385 transitions, 777 flow [2024-10-31 21:55:35,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:55:35,050 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;@3abd7574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:55:35,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-10-31 21:55:35,060 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:55:35,061 INFO L124 PetriNetUnfolderBase]: 4/19 cut-off events. [2024-10-31 21:55:35,061 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:55:35,061 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:35,062 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:35,063 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)] === [2024-10-31 21:55:35,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:35,070 INFO L85 PathProgramCache]: Analyzing trace with hash -345191653, now seen corresponding path program 1 times [2024-10-31 21:55:35,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:35,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876283738] [2024-10-31 21:55:35,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:35,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:55:35,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:35,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876283738] [2024-10-31 21:55:35,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876283738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:35,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:35,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:35,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341204720] [2024-10-31 21:55:35,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:35,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:55:35,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:35,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:55:35,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:55:35,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-10-31 21:55:35,708 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) [2024-10-31 21:55:35,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:35,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-10-31 21:55:35,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:36,770 INFO L124 PetriNetUnfolderBase]: 945/2650 cut-off events. [2024-10-31 21:55:36,773 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 21:55:36,785 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 17823 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. [2024-10-31 21:55:36,799 INFO L140 encePairwiseOnDemand]: 274/385 looper letters, 141 selfloop transitions, 3 changer transitions 0/275 dead transitions. [2024-10-31 21:55:36,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 275 transitions, 845 flow [2024-10-31 21:55:36,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:55:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 21:55:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 780 transitions. [2024-10-31 21:55:36,823 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5064935064935064 [2024-10-31 21:55:36,826 INFO L175 Difference]: Start difference. First operand has 247 places, 385 transitions, 777 flow. Second operand 4 states and 780 transitions. [2024-10-31 21:55:36,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 275 transitions, 845 flow [2024-10-31 21:55:36,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 275 transitions, 845 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:55:36,842 INFO L231 Difference]: Finished difference. Result has 248 places, 275 transitions, 563 flow [2024-10-31 21:55:36,844 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} [2024-10-31 21:55:36,851 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 1 predicate places. [2024-10-31 21:55:36,851 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 275 transitions, 563 flow [2024-10-31 21:55:36,852 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) [2024-10-31 21:55:36,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:36,852 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:36,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:55:36,852 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)] === [2024-10-31 21:55:36,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:36,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1016649958, now seen corresponding path program 1 times [2024-10-31 21:55:36,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:36,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124141229] [2024-10-31 21:55:36,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:36,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:55:37,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:37,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124141229] [2024-10-31 21:55:37,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124141229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:37,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:37,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:37,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78944119] [2024-10-31 21:55:37,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:37,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:55:37,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:37,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:55:37,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:55:37,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-10-31 21:55:37,043 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) [2024-10-31 21:55:37,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:37,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-10-31 21:55:37,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:37,934 INFO L124 PetriNetUnfolderBase]: 945/2648 cut-off events. [2024-10-31 21:55:37,935 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 21:55:37,940 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 17853 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. [2024-10-31 21:55:37,952 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 141 selfloop transitions, 3 changer transitions 0/273 dead transitions. [2024-10-31 21:55:37,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 273 transitions, 847 flow [2024-10-31 21:55:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:55:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 21:55:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 673 transitions. [2024-10-31 21:55:37,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.437012987012987 [2024-10-31 21:55:37,957 INFO L175 Difference]: Start difference. First operand has 248 places, 275 transitions, 563 flow. Second operand 4 states and 673 transitions. [2024-10-31 21:55:37,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 273 transitions, 847 flow [2024-10-31 21:55:37,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 273 transitions, 841 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 21:55:37,970 INFO L231 Difference]: Finished difference. Result has 246 places, 273 transitions, 559 flow [2024-10-31 21:55:37,974 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} [2024-10-31 21:55:37,975 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -1 predicate places. [2024-10-31 21:55:37,975 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 273 transitions, 559 flow [2024-10-31 21:55:37,975 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) [2024-10-31 21:55:37,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:37,976 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:37,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:55:37,976 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)] === [2024-10-31 21:55:37,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:37,977 INFO L85 PathProgramCache]: Analyzing trace with hash -2043223717, now seen corresponding path program 1 times [2024-10-31 21:55:37,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:37,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393049012] [2024-10-31 21:55:37,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:37,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:55:38,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:38,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393049012] [2024-10-31 21:55:38,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393049012] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:38,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:38,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:38,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106015104] [2024-10-31 21:55:38,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:38,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:55:38,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:38,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:55:38,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:38,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-10-31 21:55:38,136 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) [2024-10-31 21:55:38,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:38,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-10-31 21:55:38,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:38,935 INFO L124 PetriNetUnfolderBase]: 945/2651 cut-off events. [2024-10-31 21:55:38,936 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 21:55:38,941 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 17839 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. [2024-10-31 21:55:38,952 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 145 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2024-10-31 21:55:38,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 276 transitions, 859 flow [2024-10-31 21:55:38,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:55:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:55:38,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2024-10-31 21:55:38,954 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47359307359307357 [2024-10-31 21:55:38,954 INFO L175 Difference]: Start difference. First operand has 246 places, 273 transitions, 559 flow. Second operand 3 states and 547 transitions. [2024-10-31 21:55:38,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 276 transitions, 859 flow [2024-10-31 21:55:38,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 276 transitions, 853 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 21:55:38,963 INFO L231 Difference]: Finished difference. Result has 246 places, 274 transitions, 565 flow [2024-10-31 21:55:38,964 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} [2024-10-31 21:55:38,965 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -1 predicate places. [2024-10-31 21:55:38,965 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 274 transitions, 565 flow [2024-10-31 21:55:38,966 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) [2024-10-31 21:55:38,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:38,966 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:38,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:55:38,967 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)] === [2024-10-31 21:55:38,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1006974997, now seen corresponding path program 1 times [2024-10-31 21:55:38,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:38,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61809703] [2024-10-31 21:55:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:38,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:55:39,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:39,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61809703] [2024-10-31 21:55:39,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61809703] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:55:39,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363481192] [2024-10-31 21:55:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:39,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:55:39,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:55:39,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:55:39,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:55:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:39,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:55:39,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:55:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:55:39,390 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:55:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:55:39,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363481192] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:55:39,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:55:39,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 21:55:39,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896169815] [2024-10-31 21:55:39,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:55:39,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:55:39,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:39,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:55:39,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:55:39,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-10-31 21:55:39,441 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) [2024-10-31 21:55:39,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:39,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-10-31 21:55:39,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:40,578 INFO L124 PetriNetUnfolderBase]: 945/2654 cut-off events. [2024-10-31 21:55:40,578 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 21:55:40,583 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 17900 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. [2024-10-31 21:55:40,593 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 145 selfloop transitions, 5 changer transitions 0/279 dead transitions. [2024-10-31 21:55:40,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 279 transitions, 877 flow [2024-10-31 21:55:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:55:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 21:55:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 816 transitions. [2024-10-31 21:55:40,597 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4238961038961039 [2024-10-31 21:55:40,597 INFO L175 Difference]: Start difference. First operand has 246 places, 274 transitions, 565 flow. Second operand 5 states and 816 transitions. [2024-10-31 21:55:40,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 279 transitions, 877 flow [2024-10-31 21:55:40,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 279 transitions, 875 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:55:40,605 INFO L231 Difference]: Finished difference. Result has 251 places, 276 transitions, 589 flow [2024-10-31 21:55:40,605 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} [2024-10-31 21:55:40,606 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 4 predicate places. [2024-10-31 21:55:40,606 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 276 transitions, 589 flow [2024-10-31 21:55:40,607 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) [2024-10-31 21:55:40,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:40,607 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:40,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 21:55:40,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:55:40,808 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)] === [2024-10-31 21:55:40,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:40,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1948686171, now seen corresponding path program 2 times [2024-10-31 21:55:40,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:40,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484862163] [2024-10-31 21:55:40,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:40,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:55:41,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:41,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484862163] [2024-10-31 21:55:41,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484862163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:41,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:41,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:41,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837230936] [2024-10-31 21:55:41,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:41,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:55:41,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:41,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:55:41,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:41,085 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-10-31 21:55:41,086 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) [2024-10-31 21:55:41,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:41,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-10-31 21:55:41,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:41,885 INFO L124 PetriNetUnfolderBase]: 945/2652 cut-off events. [2024-10-31 21:55:41,886 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-31 21:55:41,893 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 17852 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. [2024-10-31 21:55:41,904 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 145 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2024-10-31 21:55:41,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 274 transitions, 879 flow [2024-10-31 21:55:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:55:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:55:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2024-10-31 21:55:41,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4683982683982684 [2024-10-31 21:55:41,907 INFO L175 Difference]: Start difference. First operand has 251 places, 276 transitions, 589 flow. Second operand 3 states and 541 transitions. [2024-10-31 21:55:41,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 274 transitions, 879 flow [2024-10-31 21:55:41,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 274 transitions, 873 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-31 21:55:41,915 INFO L231 Difference]: Finished difference. Result has 250 places, 274 transitions, 583 flow [2024-10-31 21:55:41,915 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} [2024-10-31 21:55:41,916 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 3 predicate places. [2024-10-31 21:55:41,916 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 274 transitions, 583 flow [2024-10-31 21:55:41,917 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) [2024-10-31 21:55:41,917 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:41,917 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:41,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:55:41,918 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)] === [2024-10-31 21:55:41,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:41,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1764510388, now seen corresponding path program 1 times [2024-10-31 21:55:41,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:41,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937339104] [2024-10-31 21:55:41,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:41,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:55:42,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:42,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937339104] [2024-10-31 21:55:42,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937339104] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:42,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:42,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:55:42,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445152693] [2024-10-31 21:55:42,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:42,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:55:42,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:42,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:55:42,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:55:42,178 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 385 [2024-10-31 21:55:42,179 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) [2024-10-31 21:55:42,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:42,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 385 [2024-10-31 21:55:42,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:43,191 INFO L124 PetriNetUnfolderBase]: 945/2650 cut-off events. [2024-10-31 21:55:43,191 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 21:55:43,198 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 17839 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. [2024-10-31 21:55:43,211 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 143 selfloop transitions, 4 changer transitions 0/272 dead transitions. [2024-10-31 21:55:43,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 272 transitions, 873 flow [2024-10-31 21:55:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:55:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 21:55:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 669 transitions. [2024-10-31 21:55:43,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4344155844155844 [2024-10-31 21:55:43,214 INFO L175 Difference]: Start difference. First operand has 250 places, 274 transitions, 583 flow. Second operand 4 states and 669 transitions. [2024-10-31 21:55:43,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 272 transitions, 873 flow [2024-10-31 21:55:43,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 272 transitions, 869 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:55:43,222 INFO L231 Difference]: Finished difference. Result has 249 places, 272 transitions, 583 flow [2024-10-31 21:55:43,222 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} [2024-10-31 21:55:43,225 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 2 predicate places. [2024-10-31 21:55:43,226 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 272 transitions, 583 flow [2024-10-31 21:55:43,226 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) [2024-10-31 21:55:43,227 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:43,227 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] [2024-10-31 21:55:43,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:55:43,227 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)] === [2024-10-31 21:55:43,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:43,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1707069689, now seen corresponding path program 1 times [2024-10-31 21:55:43,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:43,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691009626] [2024-10-31 21:55:43,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:43,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:55:43,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:43,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691009626] [2024-10-31 21:55:43,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691009626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:43,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:43,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:43,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221229029] [2024-10-31 21:55:43,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:43,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:55:43,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:43,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:55:43,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:43,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-10-31 21:55:43,376 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) [2024-10-31 21:55:43,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:43,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-10-31 21:55:43,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:44,072 INFO L124 PetriNetUnfolderBase]: 948/2673 cut-off events. [2024-10-31 21:55:44,072 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 21:55:44,078 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 17842 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. [2024-10-31 21:55:44,091 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 156 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-10-31 21:55:44,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 283 transitions, 929 flow [2024-10-31 21:55:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:55:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:55:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-10-31 21:55:44,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4805194805194805 [2024-10-31 21:55:44,094 INFO L175 Difference]: Start difference. First operand has 249 places, 272 transitions, 583 flow. Second operand 3 states and 555 transitions. [2024-10-31 21:55:44,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 283 transitions, 929 flow [2024-10-31 21:55:44,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 283 transitions, 913 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 21:55:44,103 INFO L231 Difference]: Finished difference. Result has 249 places, 273 transitions, 587 flow [2024-10-31 21:55:44,103 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} [2024-10-31 21:55:44,104 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 2 predicate places. [2024-10-31 21:55:44,104 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 273 transitions, 587 flow [2024-10-31 21:55:44,105 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) [2024-10-31 21:55:44,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:44,105 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] [2024-10-31 21:55:44,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:55:44,106 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)] === [2024-10-31 21:55:44,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:44,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1208477997, now seen corresponding path program 1 times [2024-10-31 21:55:44,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:44,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305034983] [2024-10-31 21:55:44,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:44,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:55:44,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:44,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305034983] [2024-10-31 21:55:44,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305034983] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:55:44,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544923797] [2024-10-31 21:55:44,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:44,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:55:44,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:55:44,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:55:44,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 21:55:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:55:44,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:55:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:55:44,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:55:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:55:44,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544923797] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:55:44,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:55:44,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 6] total 9 [2024-10-31 21:55:44,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817004829] [2024-10-31 21:55:44,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:55:44,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 21:55:44,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:44,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 21:55:44,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-31 21:55:44,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-10-31 21:55:44,833 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) [2024-10-31 21:55:44,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:44,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-10-31 21:55:44,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:46,274 INFO L124 PetriNetUnfolderBase]: 951/2697 cut-off events. [2024-10-31 21:55:46,274 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:55:46,283 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 17732 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. [2024-10-31 21:55:46,299 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 165 selfloop transitions, 5 changer transitions 0/295 dead transitions. [2024-10-31 21:55:46,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 295 transitions, 973 flow [2024-10-31 21:55:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:55:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 21:55:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 834 transitions. [2024-10-31 21:55:46,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43324675324675327 [2024-10-31 21:55:46,306 INFO L175 Difference]: Start difference. First operand has 249 places, 273 transitions, 587 flow. Second operand 5 states and 834 transitions. [2024-10-31 21:55:46,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 295 transitions, 973 flow [2024-10-31 21:55:46,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 295 transitions, 971 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:55:46,315 INFO L231 Difference]: Finished difference. Result has 255 places, 275 transitions, 615 flow [2024-10-31 21:55:46,315 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} [2024-10-31 21:55:46,317 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 8 predicate places. [2024-10-31 21:55:46,318 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 275 transitions, 615 flow [2024-10-31 21:55:46,319 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) [2024-10-31 21:55:46,320 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:46,320 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] [2024-10-31 21:55:46,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 21:55:46,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:55:46,523 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)] === [2024-10-31 21:55:46,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:46,523 INFO L85 PathProgramCache]: Analyzing trace with hash 716716409, now seen corresponding path program 2 times [2024-10-31 21:55:46,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:46,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197506437] [2024-10-31 21:55:46,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:46,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 21:55:47,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:47,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197506437] [2024-10-31 21:55:47,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197506437] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:55:47,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366532082] [2024-10-31 21:55:47,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:55:47,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:55:47,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:55:47,341 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:55:47,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 21:55:47,831 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:55:47,831 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:55:47,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-31 21:55:47,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:55:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 21:55:47,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:55:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 21:55:48,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366532082] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:55:48,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:55:48,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 16 [2024-10-31 21:55:48,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419780173] [2024-10-31 21:55:48,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:55:48,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-31 21:55:48,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:48,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-31 21:55:48,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-10-31 21:55:49,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 385 [2024-10-31 21:55:49,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 275 transitions, 615 flow. Second operand has 16 states, 16 states have (on average 131.6875) internal successors, (2107), 16 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:55:49,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:49,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 385 [2024-10-31 21:55:49,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:51,721 INFO L124 PetriNetUnfolderBase]: 953/2733 cut-off events. [2024-10-31 21:55:51,722 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-10-31 21:55:51,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4576 conditions, 2733 events. 953/2733 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17973 event pairs, 696 based on Foata normal form. 2/2324 useless extension candidates. Maximal degree in co-relation 4527. Up to 1723 conditions per place. [2024-10-31 21:55:51,739 INFO L140 encePairwiseOnDemand]: 374/385 looper letters, 177 selfloop transitions, 27 changer transitions 0/326 dead transitions. [2024-10-31 21:55:51,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 326 transitions, 1145 flow [2024-10-31 21:55:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-31 21:55:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-31 21:55:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2508 transitions. [2024-10-31 21:55:51,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3619047619047619 [2024-10-31 21:55:51,749 INFO L175 Difference]: Start difference. First operand has 255 places, 275 transitions, 615 flow. Second operand 18 states and 2508 transitions. [2024-10-31 21:55:51,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 326 transitions, 1145 flow [2024-10-31 21:55:51,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 326 transitions, 1137 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-10-31 21:55:51,760 INFO L231 Difference]: Finished difference. Result has 281 places, 299 transitions, 792 flow [2024-10-31 21:55:51,761 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=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=792, PETRI_PLACES=281, PETRI_TRANSITIONS=299} [2024-10-31 21:55:51,762 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 34 predicate places. [2024-10-31 21:55:51,762 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 299 transitions, 792 flow [2024-10-31 21:55:51,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 131.6875) internal successors, (2107), 16 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:55:51,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:51,764 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] [2024-10-31 21:55:51,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 21:55:51,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cb66ca-d2bd-4a7f-8b8f-4a4321317cd8/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-31 21:55:51,965 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)] === [2024-10-31 21:55:51,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:51,965 INFO L85 PathProgramCache]: Analyzing trace with hash -486077235, now seen corresponding path program 1 times [2024-10-31 21:55:51,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583242869] [2024-10-31 21:55:51,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:51,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-31 21:55:52,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:52,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583242869] [2024-10-31 21:55:52,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583242869] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:52,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:52,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:52,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947197471] [2024-10-31 21:55:52,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:52,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:55:52,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:52,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:55:52,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:52,371 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 385 [2024-10-31 21:55:52,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 299 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:55:52,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:55:52,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 385 [2024-10-31 21:55:52,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:55:53,275 INFO L124 PetriNetUnfolderBase]: 945/2705 cut-off events. [2024-10-31 21:55:53,275 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-10-31 21:55:53,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4586 conditions, 2705 events. 945/2705 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17828 event pairs, 696 based on Foata normal form. 4/2306 useless extension candidates. Maximal degree in co-relation 4526. Up to 1757 conditions per place. [2024-10-31 21:55:53,306 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 161 selfloop transitions, 6 changer transitions 0/289 dead transitions. [2024-10-31 21:55:53,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 289 transitions, 1082 flow [2024-10-31 21:55:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:55:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:55:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2024-10-31 21:55:53,309 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4649350649350649 [2024-10-31 21:55:53,309 INFO L175 Difference]: Start difference. First operand has 281 places, 299 transitions, 792 flow. Second operand 3 states and 537 transitions. [2024-10-31 21:55:53,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 289 transitions, 1082 flow [2024-10-31 21:55:53,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 289 transitions, 1059 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-10-31 21:55:53,318 INFO L231 Difference]: Finished difference. Result has 274 places, 289 transitions, 737 flow [2024-10-31 21:55:53,322 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=737, PETRI_PLACES=274, PETRI_TRANSITIONS=289} [2024-10-31 21:55:53,326 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, 27 predicate places. [2024-10-31 21:55:53,327 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 289 transitions, 737 flow [2024-10-31 21:55:53,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:55:53,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:55:53,327 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] [2024-10-31 21:55:53,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 21:55:53,328 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-10-31 21:55:53,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:53,328 INFO L85 PathProgramCache]: Analyzing trace with hash 639319446, now seen corresponding path program 1 times [2024-10-31 21:55:53,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:53,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682656960] [2024-10-31 21:55:53,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:53,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:55:53,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.