./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:43:45,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:43:45,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 03:43:45,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:43:45,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:43:45,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:43:45,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:43:45,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:43:45,814 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:43:45,814 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:43:45,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:43:45,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:43:45,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:43:45,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:43:45,817 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:43:45,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:43:45,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:43:45,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:43:45,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:43:45,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:43:45,819 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 03:43:45,819 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 03:43:45,823 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 03:43:45,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:43:45,823 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 03:43:45,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:43:45,824 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:43:45,824 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:43:45,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:43:45,824 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:43:45,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:43:45,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:43:45,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:43:45,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:43:45,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:43:45,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:43:45,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:43:45,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:43:45,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:43:45,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:43:45,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:43:45,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:43:45,826 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe [2024-11-17 03:43:46,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:43:46,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:43:46,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:43:46,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:43:46,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:43:46,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-17 03:43:47,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:43:47,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:43:47,550 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-17 03:43:47,583 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae445a66/f097ae397c9f4732a2670f4ceac5c8d4/FLAGbfe9058ec [2024-11-17 03:43:47,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae445a66/f097ae397c9f4732a2670f4ceac5c8d4 [2024-11-17 03:43:47,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:43:47,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:43:47,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:43:47,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:43:47,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:43:47,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:43:47" (1/1) ... [2024-11-17 03:43:47,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a73f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:47, skipping insertion in model container [2024-11-17 03:43:47,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:43:47" (1/1) ... [2024-11-17 03:43:47,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:43:49,055 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:43:49,059 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:43:49,059 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:43:49,065 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:43:49,066 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:43:49,188 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:43:49,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:43:49,203 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:43:49,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-17 03:43:49,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-17 03:43:49,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-17 03:43:49,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-17 03:43:49,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-17 03:43:49,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-17 03:43:49,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-17 03:43:49,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-17 03:43:49,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-17 03:43:49,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-17 03:43:49,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-17 03:43:49,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-17 03:43:49,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-17 03:43:49,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-17 03:43:49,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-17 03:43:49,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-17 03:43:49,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-17 03:43:49,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-17 03:43:49,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-17 03:43:49,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-17 03:43:49,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-17 03:43:49,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-17 03:43:49,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-17 03:43:49,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-17 03:43:49,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-17 03:43:49,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-17 03:43:49,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-17 03:43:49,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-17 03:43:49,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-17 03:43:49,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-17 03:43:49,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-17 03:43:49,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-17 03:43:49,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-17 03:43:49,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-17 03:43:49,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-17 03:43:49,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-17 03:43:49,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-17 03:43:49,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-17 03:43:49,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-17 03:43:49,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-17 03:43:49,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-17 03:43:49,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-17 03:43:49,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-17 03:43:49,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-17 03:43:49,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-17 03:43:49,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-17 03:43:49,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-17 03:43:49,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-17 03:43:49,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-17 03:43:49,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-17 03:43:49,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-17 03:43:49,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-17 03:43:49,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-17 03:43:49,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-17 03:43:49,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-17 03:43:49,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-17 03:43:49,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-17 03:43:49,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-17 03:43:49,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-17 03:43:49,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-17 03:43:49,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-17 03:43:49,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-17 03:43:49,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-17 03:43:49,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-17 03:43:49,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-17 03:43:49,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-17 03:43:49,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-17 03:43:49,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-17 03:43:49,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-17 03:43:49,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-17 03:43:49,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-17 03:43:49,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-17 03:43:49,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-17 03:43:49,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-17 03:43:49,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-17 03:43:49,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-17 03:43:49,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-17 03:43:49,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-17 03:43:49,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-17 03:43:49,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-17 03:43:49,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-17 03:43:49,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-17 03:43:49,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-17 03:43:49,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-17 03:43:49,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-17 03:43:49,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-17 03:43:49,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-17 03:43:49,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-17 03:43:49,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-17 03:43:49,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-17 03:43:49,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-17 03:43:49,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-17 03:43:49,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-17 03:43:49,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-17 03:43:49,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-17 03:43:49,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-17 03:43:49,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-17 03:43:49,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-17 03:43:49,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-17 03:43:49,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-17 03:43:49,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:43:49,607 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:43:49,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49 WrapperNode [2024-11-17 03:43:49,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:43:49,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:43:49,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:43:49,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:43:49,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,754 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 655 [2024-11-17 03:43:49,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:43:49,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:43:49,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:43:49,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:43:49,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,801 INFO L175 MemorySlicer]: Split 65 memory accesses to 5 slices as follows [2, 9, 8, 44, 2]. 68 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 4, 6, 0]. The 20 writes are split as follows [0, 2, 3, 14, 1]. [2024-11-17 03:43:49,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:43:49,850 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:43:49,850 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:43:49,851 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:43:49,852 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (1/1) ... [2024-11-17 03:43:49,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:43:49,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:43:49,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:43:49,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:43:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:43:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:43:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 03:43:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 03:43:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-17 03:43:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:43:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 03:43:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 03:43:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 03:43:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 03:43:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-17 03:43:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:43:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:43:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:43:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 03:43:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 03:43:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 03:43:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 03:43:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-17 03:43:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:43:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:43:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 03:43:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 03:43:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-17 03:43:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:43:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-17 03:43:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-17 03:43:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-17 03:43:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-17 03:43:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-17 03:43:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-17 03:43:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-17 03:43:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:43:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:43:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 03:43:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 03:43:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-17 03:43:49,930 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 03:43:50,127 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:43:50,129 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:43:50,850 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2024-11-17 03:43:50,850 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483-9: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2024-11-17 03:43:50,850 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483-18: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2024-11-17 03:43:50,851 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc vatomic32_read_rlx_#t~ret116#1; [2024-11-17 03:43:50,851 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438-9: havoc vatomic32_read_rlx_#t~ret116#1; [2024-11-17 03:43:50,851 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2024-11-17 03:43:50,851 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-9: havoc vatomic32_read_acq_#t~ret117#1; [2024-11-17 03:43:50,851 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-18: havoc vatomic32_read_acq_#t~ret117#1; [2024-11-17 03:43:50,851 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-27: havoc vatomic32_read_acq_#t~ret117#1; [2024-11-17 03:43:50,851 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6036-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-17 03:43:50,852 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6036: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-17 03:43:50,852 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6043: havoc main_~#r~0#1.base, main_~#r~0#1.offset; [2024-11-17 03:43:50,852 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6043-1: SUMMARY for call ULTIMATE.dealloc(main_~#r~0#1.base, main_~#r~0#1.offset); srcloc: null [2024-11-17 03:43:50,852 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2808: havoc vatomic32_await_eq_rlx_#t~ret172#1; [2024-11-17 03:43:51,006 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2024-11-17 03:43:51,006 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019: havoc ~#xbo~0#1.base, ~#xbo~0#1.offset; [2024-11-17 03:43:51,006 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019-1: SUMMARY for call ULTIMATE.dealloc(~#xbo~0#1.base, ~#xbo~0#1.offset); srcloc: null [2024-11-17 03:43:51,006 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc vatomic32_read_rlx_#t~ret116#1; [2024-11-17 03:43:51,006 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2024-11-17 03:43:51,008 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 03:43:51,008 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:43:51,330 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:43:51,331 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:43:51,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:43:51 BoogieIcfgContainer [2024-11-17 03:43:51,331 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:43:51,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:43:51,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:43:51,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:43:51,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:43:47" (1/3) ... [2024-11-17 03:43:51,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348f425a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:43:51, skipping insertion in model container [2024-11-17 03:43:51,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:43:49" (2/3) ... [2024-11-17 03:43:51,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348f425a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:43:51, skipping insertion in model container [2024-11-17 03:43:51,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:43:51" (3/3) ... [2024-11-17 03:43:51,339 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-11-17 03:43:51,351 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:43:51,352 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2024-11-17 03:43:51,352 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 03:43:51,436 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-17 03:43:51,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 344 transitions, 695 flow [2024-11-17 03:43:51,551 INFO L124 PetriNetUnfolderBase]: 121/589 cut-off events. [2024-11-17 03:43:51,552 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-17 03:43:51,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 589 events. 121/589 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2780 event pairs, 0 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 295. Up to 6 conditions per place. [2024-11-17 03:43:51,558 INFO L82 GeneralOperation]: Start removeDead. Operand has 279 places, 344 transitions, 695 flow [2024-11-17 03:43:51,565 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 344 transitions, 695 flow [2024-11-17 03:43:51,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:43:51,578 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=None, 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;@5ce8948b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:43:51,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2024-11-17 03:43:51,582 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 03:43:51,582 INFO L124 PetriNetUnfolderBase]: 6/18 cut-off events. [2024-11-17 03:43:51,582 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:43:51,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:51,583 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-17 03:43:51,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:51,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:51,587 INFO L85 PathProgramCache]: Analyzing trace with hash 64961959, now seen corresponding path program 1 times [2024-11-17 03:43:51,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:51,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805934911] [2024-11-17 03:43:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:51,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:51,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:51,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805934911] [2024-11-17 03:43:51,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805934911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:51,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:51,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:43:51,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704837912] [2024-11-17 03:43:51,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:51,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 03:43:51,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:51,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 03:43:51,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:43:51,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 344 [2024-11-17 03:43:51,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 344 transitions, 695 flow. Second operand has 2 states, 2 states have (on average 130.5) internal successors, (261), 2 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:51,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:51,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 344 [2024-11-17 03:43:51,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:43:52,639 INFO L124 PetriNetUnfolderBase]: 2772/7446 cut-off events. [2024-11-17 03:43:52,640 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-17 03:43:52,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12646 conditions, 7446 events. 2772/7446 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 60324 event pairs, 2203 based on Foata normal form. 1278/6021 useless extension candidates. Maximal degree in co-relation 12297. Up to 5195 conditions per place. [2024-11-17 03:43:52,672 INFO L140 encePairwiseOnDemand]: 281/344 looper letters, 145 selfloop transitions, 0 changer transitions 0/274 dead transitions. [2024-11-17 03:43:52,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 274 transitions, 845 flow [2024-11-17 03:43:52,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 03:43:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-17 03:43:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 466 transitions. [2024-11-17 03:43:52,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6773255813953488 [2024-11-17 03:43:52,687 INFO L175 Difference]: Start difference. First operand has 279 places, 344 transitions, 695 flow. Second operand 2 states and 466 transitions. [2024-11-17 03:43:52,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 274 transitions, 845 flow [2024-11-17 03:43:52,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 274 transitions, 845 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-17 03:43:52,694 INFO L231 Difference]: Finished difference. Result has 265 places, 274 transitions, 555 flow [2024-11-17 03:43:52,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=555, PETRI_PLACES=265, PETRI_TRANSITIONS=274} [2024-11-17 03:43:52,698 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -14 predicate places. [2024-11-17 03:43:52,698 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 274 transitions, 555 flow [2024-11-17 03:43:52,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 130.5) internal successors, (261), 2 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:52,699 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:52,699 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 03:43:52,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:43:52,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:52,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:52,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2013555680, now seen corresponding path program 1 times [2024-11-17 03:43:52,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:52,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475523114] [2024-11-17 03:43:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:52,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:52,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:52,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475523114] [2024-11-17 03:43:52,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475523114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:52,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:52,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:43:52,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325612620] [2024-11-17 03:43:52,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:52,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:43:52,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:52,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:43:52,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:43:52,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 344 [2024-11-17 03:43:52,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 274 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:52,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:52,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 344 [2024-11-17 03:43:52,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:43:53,629 INFO L124 PetriNetUnfolderBase]: 2772/7443 cut-off events. [2024-11-17 03:43:53,629 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-17 03:43:53,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12643 conditions, 7443 events. 2772/7443 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 60381 event pairs, 2203 based on Foata normal form. 1/4741 useless extension candidates. Maximal degree in co-relation 12639. Up to 5176 conditions per place. [2024-11-17 03:43:53,658 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 142 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2024-11-17 03:43:53,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 271 transitions, 837 flow [2024-11-17 03:43:53,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:43:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:43:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2024-11-17 03:43:53,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5155038759689923 [2024-11-17 03:43:53,661 INFO L175 Difference]: Start difference. First operand has 265 places, 274 transitions, 555 flow. Second operand 3 states and 532 transitions. [2024-11-17 03:43:53,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 271 transitions, 837 flow [2024-11-17 03:43:53,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 271 transitions, 837 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-17 03:43:53,666 INFO L231 Difference]: Finished difference. Result has 264 places, 271 transitions, 553 flow [2024-11-17 03:43:53,666 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=553, PETRI_PLACES=264, PETRI_TRANSITIONS=271} [2024-11-17 03:43:53,667 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -15 predicate places. [2024-11-17 03:43:53,667 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 271 transitions, 553 flow [2024-11-17 03:43:53,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:53,668 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:53,668 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:43:53,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:43:53,671 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:53,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:53,672 INFO L85 PathProgramCache]: Analyzing trace with hash -2074058166, now seen corresponding path program 1 times [2024-11-17 03:43:53,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:53,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257384293] [2024-11-17 03:43:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:53,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:53,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:53,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257384293] [2024-11-17 03:43:53,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257384293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:53,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:53,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:43:53,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953679069] [2024-11-17 03:43:53,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:53,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:43:53,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:53,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:43:53,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:43:53,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 344 [2024-11-17 03:43:53,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 271 transitions, 553 flow. Second operand has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:53,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:53,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 344 [2024-11-17 03:43:53,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:43:54,608 INFO L124 PetriNetUnfolderBase]: 2772/7441 cut-off events. [2024-11-17 03:43:54,608 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-17 03:43:54,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12644 conditions, 7441 events. 2772/7441 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 60335 event pairs, 2203 based on Foata normal form. 1/4741 useless extension candidates. Maximal degree in co-relation 12639. Up to 5176 conditions per place. [2024-11-17 03:43:54,636 INFO L140 encePairwiseOnDemand]: 340/344 looper letters, 142 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2024-11-17 03:43:54,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 269 transitions, 837 flow [2024-11-17 03:43:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:43:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:43:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-17 03:43:54,639 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5106589147286822 [2024-11-17 03:43:54,639 INFO L175 Difference]: Start difference. First operand has 264 places, 271 transitions, 553 flow. Second operand 3 states and 527 transitions. [2024-11-17 03:43:54,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 269 transitions, 837 flow [2024-11-17 03:43:54,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 269 transitions, 833 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:43:54,643 INFO L231 Difference]: Finished difference. Result has 262 places, 269 transitions, 549 flow [2024-11-17 03:43:54,643 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=262, PETRI_TRANSITIONS=269} [2024-11-17 03:43:54,644 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -17 predicate places. [2024-11-17 03:43:54,644 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 269 transitions, 549 flow [2024-11-17 03:43:54,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:54,645 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:54,645 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:43:54,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:43:54,645 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:54,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:54,646 INFO L85 PathProgramCache]: Analyzing trace with hash -2074058165, now seen corresponding path program 1 times [2024-11-17 03:43:54,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:54,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970666782] [2024-11-17 03:43:54,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:54,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:54,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:54,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970666782] [2024-11-17 03:43:54,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970666782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:54,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:54,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:43:54,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747578900] [2024-11-17 03:43:54,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:54,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:43:54,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:54,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:43:54,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:43:54,818 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 344 [2024-11-17 03:43:54,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 269 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:54,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:54,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 344 [2024-11-17 03:43:54,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:43:55,550 INFO L124 PetriNetUnfolderBase]: 2772/7439 cut-off events. [2024-11-17 03:43:55,550 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-17 03:43:55,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12642 conditions, 7439 events. 2772/7439 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 60316 event pairs, 2203 based on Foata normal form. 1/4740 useless extension candidates. Maximal degree in co-relation 12637. Up to 5176 conditions per place. [2024-11-17 03:43:55,581 INFO L140 encePairwiseOnDemand]: 340/344 looper letters, 142 selfloop transitions, 2 changer transitions 0/267 dead transitions. [2024-11-17 03:43:55,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 267 transitions, 833 flow [2024-11-17 03:43:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:43:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:43:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-17 03:43:55,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5106589147286822 [2024-11-17 03:43:55,583 INFO L175 Difference]: Start difference. First operand has 262 places, 269 transitions, 549 flow. Second operand 3 states and 527 transitions. [2024-11-17 03:43:55,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 267 transitions, 833 flow [2024-11-17 03:43:55,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 267 transitions, 829 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:43:55,587 INFO L231 Difference]: Finished difference. Result has 260 places, 267 transitions, 545 flow [2024-11-17 03:43:55,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=545, PETRI_PLACES=260, PETRI_TRANSITIONS=267} [2024-11-17 03:43:55,588 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -19 predicate places. [2024-11-17 03:43:55,589 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 267 transitions, 545 flow [2024-11-17 03:43:55,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:55,589 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:55,589 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:43:55,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:43:55,590 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:55,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:55,590 INFO L85 PathProgramCache]: Analyzing trace with hash -2074054986, now seen corresponding path program 1 times [2024-11-17 03:43:55,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:55,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274136950] [2024-11-17 03:43:55,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:55,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:55,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:55,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274136950] [2024-11-17 03:43:55,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274136950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:55,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:55,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:43:55,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060584802] [2024-11-17 03:43:55,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:55,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:43:55,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:55,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:43:55,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:43:55,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 344 [2024-11-17 03:43:55,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 267 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:55,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:55,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 344 [2024-11-17 03:43:55,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:43:56,232 INFO L124 PetriNetUnfolderBase]: 2772/7436 cut-off events. [2024-11-17 03:43:56,232 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-17 03:43:56,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12638 conditions, 7436 events. 2772/7436 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 60395 event pairs, 2203 based on Foata normal form. 1/4737 useless extension candidates. Maximal degree in co-relation 12633. Up to 5176 conditions per place. [2024-11-17 03:43:56,261 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 141 selfloop transitions, 2 changer transitions 0/264 dead transitions. [2024-11-17 03:43:56,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 264 transitions, 825 flow [2024-11-17 03:43:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:43:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:43:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2024-11-17 03:43:56,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5145348837209303 [2024-11-17 03:43:56,264 INFO L175 Difference]: Start difference. First operand has 260 places, 267 transitions, 545 flow. Second operand 3 states and 531 transitions. [2024-11-17 03:43:56,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 264 transitions, 825 flow [2024-11-17 03:43:56,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 264 transitions, 821 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:43:56,268 INFO L231 Difference]: Finished difference. Result has 257 places, 264 transitions, 539 flow [2024-11-17 03:43:56,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=539, PETRI_PLACES=257, PETRI_TRANSITIONS=264} [2024-11-17 03:43:56,270 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -22 predicate places. [2024-11-17 03:43:56,270 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 264 transitions, 539 flow [2024-11-17 03:43:56,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:56,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:56,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:43:56,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:43:56,271 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:56,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:56,273 INFO L85 PathProgramCache]: Analyzing trace with hash -305005188, now seen corresponding path program 1 times [2024-11-17 03:43:56,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:56,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393315768] [2024-11-17 03:43:56,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:56,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:56,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:56,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393315768] [2024-11-17 03:43:56,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393315768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:56,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:56,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:43:56,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785268295] [2024-11-17 03:43:56,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:56,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:43:56,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:56,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:43:56,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:43:56,414 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 344 [2024-11-17 03:43:56,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 264 transitions, 539 flow. Second operand has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:56,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:56,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 344 [2024-11-17 03:43:56,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:43:57,049 INFO L124 PetriNetUnfolderBase]: 2772/7435 cut-off events. [2024-11-17 03:43:57,050 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-17 03:43:57,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12637 conditions, 7435 events. 2772/7435 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 60431 event pairs, 2125 based on Foata normal form. 0/4739 useless extension candidates. Maximal degree in co-relation 12632. Up to 5008 conditions per place. [2024-11-17 03:43:57,075 INFO L140 encePairwiseOnDemand]: 330/344 looper letters, 162 selfloop transitions, 10 changer transitions 0/292 dead transitions. [2024-11-17 03:43:57,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 292 transitions, 939 flow [2024-11-17 03:43:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:43:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 03:43:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 806 transitions. [2024-11-17 03:43:57,078 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4686046511627907 [2024-11-17 03:43:57,078 INFO L175 Difference]: Start difference. First operand has 257 places, 264 transitions, 539 flow. Second operand 5 states and 806 transitions. [2024-11-17 03:43:57,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 292 transitions, 939 flow [2024-11-17 03:43:57,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 292 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:43:57,083 INFO L231 Difference]: Finished difference. Result has 256 places, 264 transitions, 570 flow [2024-11-17 03:43:57,084 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=570, PETRI_PLACES=256, PETRI_TRANSITIONS=264} [2024-11-17 03:43:57,085 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -23 predicate places. [2024-11-17 03:43:57,085 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 264 transitions, 570 flow [2024-11-17 03:43:57,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:57,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:57,086 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:43:57,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:43:57,086 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:57,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:57,087 INFO L85 PathProgramCache]: Analyzing trace with hash -305005187, now seen corresponding path program 1 times [2024-11-17 03:43:57,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:57,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323661275] [2024-11-17 03:43:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:57,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:57,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:57,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323661275] [2024-11-17 03:43:57,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323661275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:57,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:57,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:43:57,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910353883] [2024-11-17 03:43:57,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:57,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:43:57,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:57,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:43:57,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:43:57,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 344 [2024-11-17 03:43:57,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 264 transitions, 570 flow. Second operand has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:57,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:57,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 344 [2024-11-17 03:43:57,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:43:58,230 INFO L124 PetriNetUnfolderBase]: 2772/7434 cut-off events. [2024-11-17 03:43:58,230 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2024-11-17 03:43:58,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12980 conditions, 7434 events. 2772/7434 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 60400 event pairs, 2200 based on Foata normal form. 0/4823 useless extension candidates. Maximal degree in co-relation 12974. Up to 5179 conditions per place. [2024-11-17 03:43:58,259 INFO L140 encePairwiseOnDemand]: 339/344 looper letters, 138 selfloop transitions, 4 changer transitions 0/263 dead transitions. [2024-11-17 03:43:58,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 263 transitions, 852 flow [2024-11-17 03:43:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:43:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:43:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 647 transitions. [2024-11-17 03:43:58,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.470203488372093 [2024-11-17 03:43:58,262 INFO L175 Difference]: Start difference. First operand has 256 places, 264 transitions, 570 flow. Second operand 4 states and 647 transitions. [2024-11-17 03:43:58,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 263 transitions, 852 flow [2024-11-17 03:43:58,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 263 transitions, 839 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-17 03:43:58,272 INFO L231 Difference]: Finished difference. Result has 255 places, 263 transitions, 563 flow [2024-11-17 03:43:58,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=563, PETRI_PLACES=255, PETRI_TRANSITIONS=263} [2024-11-17 03:43:58,273 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -24 predicate places. [2024-11-17 03:43:58,273 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 263 transitions, 563 flow [2024-11-17 03:43:58,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:58,273 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:58,274 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:43:58,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:43:58,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:58,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:58,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1052149197, now seen corresponding path program 1 times [2024-11-17 03:43:58,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:58,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744926981] [2024-11-17 03:43:58,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:58,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:58,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744926981] [2024-11-17 03:43:58,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744926981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:58,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:58,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:43:58,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949409309] [2024-11-17 03:43:58,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:58,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:43:58,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:58,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:43:58,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:43:58,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 344 [2024-11-17 03:43:58,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 263 transitions, 563 flow. Second operand has 4 states, 4 states have (on average 128.25) internal successors, (513), 4 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:58,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:58,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 344 [2024-11-17 03:43:58,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:43:59,253 INFO L124 PetriNetUnfolderBase]: 2772/7433 cut-off events. [2024-11-17 03:43:59,253 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2024-11-17 03:43:59,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12892 conditions, 7433 events. 2772/7433 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 60432 event pairs, 2200 based on Foata normal form. 0/4823 useless extension candidates. Maximal degree in co-relation 12886. Up to 5179 conditions per place. [2024-11-17 03:43:59,275 INFO L140 encePairwiseOnDemand]: 339/344 looper letters, 137 selfloop transitions, 4 changer transitions 0/262 dead transitions. [2024-11-17 03:43:59,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 262 transitions, 843 flow [2024-11-17 03:43:59,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:43:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:43:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 646 transitions. [2024-11-17 03:43:59,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4694767441860465 [2024-11-17 03:43:59,277 INFO L175 Difference]: Start difference. First operand has 255 places, 263 transitions, 563 flow. Second operand 4 states and 646 transitions. [2024-11-17 03:43:59,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 262 transitions, 843 flow [2024-11-17 03:43:59,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 262 transitions, 835 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-17 03:43:59,282 INFO L231 Difference]: Finished difference. Result has 254 places, 262 transitions, 561 flow [2024-11-17 03:43:59,282 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=561, PETRI_PLACES=254, PETRI_TRANSITIONS=262} [2024-11-17 03:43:59,282 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -25 predicate places. [2024-11-17 03:43:59,283 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 262 transitions, 561 flow [2024-11-17 03:43:59,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.25) internal successors, (513), 4 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:59,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:43:59,283 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:43:59,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 03:43:59,283 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:43:59,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:43:59,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1797996170, now seen corresponding path program 1 times [2024-11-17 03:43:59,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:43:59,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910519179] [2024-11-17 03:43:59,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:43:59,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:43:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:43:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:43:59,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:43:59,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910519179] [2024-11-17 03:43:59,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910519179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:43:59,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:43:59,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:43:59,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606838863] [2024-11-17 03:43:59,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:43:59,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:43:59,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:43:59,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:43:59,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:43:59,537 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 344 [2024-11-17 03:43:59,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 262 transitions, 561 flow. Second operand has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:43:59,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:43:59,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 344 [2024-11-17 03:43:59,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:44:00,246 INFO L124 PetriNetUnfolderBase]: 2772/7432 cut-off events. [2024-11-17 03:44:00,246 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-17 03:44:00,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12890 conditions, 7432 events. 2772/7432 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 60398 event pairs, 2200 based on Foata normal form. 0/4823 useless extension candidates. Maximal degree in co-relation 12884. Up to 5179 conditions per place. [2024-11-17 03:44:00,262 INFO L140 encePairwiseOnDemand]: 339/344 looper letters, 136 selfloop transitions, 4 changer transitions 0/261 dead transitions. [2024-11-17 03:44:00,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 261 transitions, 839 flow [2024-11-17 03:44:00,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:44:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:44:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 645 transitions. [2024-11-17 03:44:00,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46875 [2024-11-17 03:44:00,264 INFO L175 Difference]: Start difference. First operand has 254 places, 262 transitions, 561 flow. Second operand 4 states and 645 transitions. [2024-11-17 03:44:00,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 261 transitions, 839 flow [2024-11-17 03:44:00,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 261 transitions, 831 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-17 03:44:00,269 INFO L231 Difference]: Finished difference. Result has 253 places, 261 transitions, 559 flow [2024-11-17 03:44:00,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=551, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=559, PETRI_PLACES=253, PETRI_TRANSITIONS=261} [2024-11-17 03:44:00,270 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -26 predicate places. [2024-11-17 03:44:00,270 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 261 transitions, 559 flow [2024-11-17 03:44:00,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:00,270 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:44:00,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:44:00,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:44:00,271 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:44:00,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:44:00,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1297405765, now seen corresponding path program 1 times [2024-11-17 03:44:00,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:44:00,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023052155] [2024-11-17 03:44:00,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:44:00,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:44:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:44:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:44:00,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:44:00,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023052155] [2024-11-17 03:44:00,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023052155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:44:00,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:44:00,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:44:00,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052502005] [2024-11-17 03:44:00,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:44:00,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:44:00,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:44:00,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:44:00,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:44:00,511 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 344 [2024-11-17 03:44:00,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 261 transitions, 559 flow. Second operand has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:00,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:44:00,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 344 [2024-11-17 03:44:00,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:44:01,053 INFO L124 PetriNetUnfolderBase]: 2772/7431 cut-off events. [2024-11-17 03:44:01,053 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-17 03:44:01,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12888 conditions, 7431 events. 2772/7431 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 60390 event pairs, 2200 based on Foata normal form. 0/4823 useless extension candidates. Maximal degree in co-relation 12882. Up to 5179 conditions per place. [2024-11-17 03:44:01,072 INFO L140 encePairwiseOnDemand]: 340/344 looper letters, 136 selfloop transitions, 3 changer transitions 0/260 dead transitions. [2024-11-17 03:44:01,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 260 transitions, 835 flow [2024-11-17 03:44:01,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:44:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:44:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 644 transitions. [2024-11-17 03:44:01,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4680232558139535 [2024-11-17 03:44:01,074 INFO L175 Difference]: Start difference. First operand has 253 places, 261 transitions, 559 flow. Second operand 4 states and 644 transitions. [2024-11-17 03:44:01,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 260 transitions, 835 flow [2024-11-17 03:44:01,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 260 transitions, 827 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-17 03:44:01,079 INFO L231 Difference]: Finished difference. Result has 252 places, 260 transitions, 555 flow [2024-11-17 03:44:01,079 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=555, PETRI_PLACES=252, PETRI_TRANSITIONS=260} [2024-11-17 03:44:01,080 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -27 predicate places. [2024-11-17 03:44:01,080 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 260 transitions, 555 flow [2024-11-17 03:44:01,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.25) internal successors, (517), 4 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:01,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:44:01,080 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:44:01,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:44:01,081 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:44:01,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:44:01,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1495907798, now seen corresponding path program 1 times [2024-11-17 03:44:01,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:44:01,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594088272] [2024-11-17 03:44:01,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:44:01,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:44:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:44:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:44:01,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:44:01,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594088272] [2024-11-17 03:44:01,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594088272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:44:01,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:44:01,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:44:01,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417216527] [2024-11-17 03:44:01,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:44:01,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:44:01,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:44:01,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:44:01,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:44:01,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 344 [2024-11-17 03:44:01,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 260 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:01,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:44:01,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 344 [2024-11-17 03:44:01,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:44:01,795 INFO L124 PetriNetUnfolderBase]: 2838/7667 cut-off events. [2024-11-17 03:44:01,795 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2024-11-17 03:44:01,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13339 conditions, 7667 events. 2838/7667 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 62872 event pairs, 2116 based on Foata normal form. 0/4991 useless extension candidates. Maximal degree in co-relation 13333. Up to 4995 conditions per place. [2024-11-17 03:44:01,811 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 262 selfloop transitions, 6 changer transitions 0/385 dead transitions. [2024-11-17 03:44:01,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 385 transitions, 1358 flow [2024-11-17 03:44:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:44:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:44:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2024-11-17 03:44:01,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6211240310077519 [2024-11-17 03:44:01,813 INFO L175 Difference]: Start difference. First operand has 252 places, 260 transitions, 555 flow. Second operand 3 states and 641 transitions. [2024-11-17 03:44:01,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 385 transitions, 1358 flow [2024-11-17 03:44:01,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 385 transitions, 1352 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-17 03:44:01,819 INFO L231 Difference]: Finished difference. Result has 253 places, 264 transitions, 595 flow [2024-11-17 03:44:01,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=595, PETRI_PLACES=253, PETRI_TRANSITIONS=264} [2024-11-17 03:44:01,820 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -26 predicate places. [2024-11-17 03:44:01,820 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 264 transitions, 595 flow [2024-11-17 03:44:01,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:01,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:44:01,821 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:44:01,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 03:44:01,821 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:44:01,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:44:01,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1495907797, now seen corresponding path program 1 times [2024-11-17 03:44:01,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:44:01,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070336154] [2024-11-17 03:44:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:44:01,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:44:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:44:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:44:01,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:44:01,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070336154] [2024-11-17 03:44:01,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070336154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:44:01,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:44:01,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:44:01,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971413638] [2024-11-17 03:44:01,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:44:01,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:44:01,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:44:01,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:44:01,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:44:02,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 344 [2024-11-17 03:44:02,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 264 transitions, 595 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:02,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:44:02,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 344 [2024-11-17 03:44:02,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:44:02,611 INFO L124 PetriNetUnfolderBase]: 2869/8067 cut-off events. [2024-11-17 03:44:02,612 INFO L125 PetriNetUnfolderBase]: For 638/640 co-relation queries the response was YES. [2024-11-17 03:44:02,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14065 conditions, 8067 events. 2869/8067 cut-off events. For 638/640 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 68110 event pairs, 2069 based on Foata normal form. 3/5303 useless extension candidates. Maximal degree in co-relation 14058. Up to 5439 conditions per place. [2024-11-17 03:44:02,635 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 148 selfloop transitions, 6 changer transitions 0/273 dead transitions. [2024-11-17 03:44:02,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 273 transitions, 923 flow [2024-11-17 03:44:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:44:02,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:44:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 653 transitions. [2024-11-17 03:44:02,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4745639534883721 [2024-11-17 03:44:02,638 INFO L175 Difference]: Start difference. First operand has 253 places, 264 transitions, 595 flow. Second operand 4 states and 653 transitions. [2024-11-17 03:44:02,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 273 transitions, 923 flow [2024-11-17 03:44:02,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 273 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:44:02,643 INFO L231 Difference]: Finished difference. Result has 256 places, 269 transitions, 625 flow [2024-11-17 03:44:02,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=625, PETRI_PLACES=256, PETRI_TRANSITIONS=269} [2024-11-17 03:44:02,645 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -23 predicate places. [2024-11-17 03:44:02,645 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 269 transitions, 625 flow [2024-11-17 03:44:02,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:02,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:44:02,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:44:02,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 03:44:02,646 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:44:02,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:44:02,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1873178630, now seen corresponding path program 1 times [2024-11-17 03:44:02,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:44:02,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309313966] [2024-11-17 03:44:02,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:44:02,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:44:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:44:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:44:02,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:44:02,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309313966] [2024-11-17 03:44:02,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309313966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:44:02,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:44:02,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:44:02,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210796718] [2024-11-17 03:44:02,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:44:02,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:44:02,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:44:02,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:44:02,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:44:02,942 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 344 [2024-11-17 03:44:02,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 269 transitions, 625 flow. Second operand has 5 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:02,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:44:02,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 344 [2024-11-17 03:44:02,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:44:03,842 INFO L124 PetriNetUnfolderBase]: 2822/7924 cut-off events. [2024-11-17 03:44:03,842 INFO L125 PetriNetUnfolderBase]: For 467/469 co-relation queries the response was YES. [2024-11-17 03:44:03,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13901 conditions, 7924 events. 2822/7924 cut-off events. For 467/469 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 65989 event pairs, 1994 based on Foata normal form. 2/5234 useless extension candidates. Maximal degree in co-relation 13892. Up to 4805 conditions per place. [2024-11-17 03:44:03,868 INFO L140 encePairwiseOnDemand]: 338/344 looper letters, 294 selfloop transitions, 7 changer transitions 0/420 dead transitions. [2024-11-17 03:44:03,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 420 transitions, 1555 flow [2024-11-17 03:44:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:44:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 03:44:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 918 transitions. [2024-11-17 03:44:03,871 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5337209302325582 [2024-11-17 03:44:03,871 INFO L175 Difference]: Start difference. First operand has 256 places, 269 transitions, 625 flow. Second operand 5 states and 918 transitions. [2024-11-17 03:44:03,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 420 transitions, 1555 flow [2024-11-17 03:44:03,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 420 transitions, 1555 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-17 03:44:03,877 INFO L231 Difference]: Finished difference. Result has 263 places, 272 transitions, 673 flow [2024-11-17 03:44:03,878 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=673, PETRI_PLACES=263, PETRI_TRANSITIONS=272} [2024-11-17 03:44:03,878 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -16 predicate places. [2024-11-17 03:44:03,878 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 272 transitions, 673 flow [2024-11-17 03:44:03,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:03,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:44:03,879 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:44:03,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:44:03,879 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:44:03,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:44:03,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1873178629, now seen corresponding path program 1 times [2024-11-17 03:44:03,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:44:03,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456129970] [2024-11-17 03:44:03,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:44:03,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:44:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:44:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:44:04,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:44:04,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456129970] [2024-11-17 03:44:04,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456129970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:44:04,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:44:04,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 03:44:04,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566757943] [2024-11-17 03:44:04,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:44:04,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 03:44:04,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:44:04,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 03:44:04,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-17 03:44:05,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 344 [2024-11-17 03:44:05,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 272 transitions, 673 flow. Second operand has 9 states, 9 states have (on average 123.77777777777777) internal successors, (1114), 9 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:05,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:44:05,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 344 [2024-11-17 03:44:05,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:44:07,493 INFO L124 PetriNetUnfolderBase]: 5690/15287 cut-off events. [2024-11-17 03:44:07,494 INFO L125 PetriNetUnfolderBase]: For 1707/1712 co-relation queries the response was YES. [2024-11-17 03:44:07,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27454 conditions, 15287 events. 5690/15287 cut-off events. For 1707/1712 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 140378 event pairs, 3975 based on Foata normal form. 92/9978 useless extension candidates. Maximal degree in co-relation 27442. Up to 5121 conditions per place. [2024-11-17 03:44:07,540 INFO L140 encePairwiseOnDemand]: 330/344 looper letters, 694 selfloop transitions, 35 changer transitions 1/846 dead transitions. [2024-11-17 03:44:07,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 846 transitions, 3395 flow [2024-11-17 03:44:07,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 03:44:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-17 03:44:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2801 transitions. [2024-11-17 03:44:07,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4789671682626539 [2024-11-17 03:44:07,545 INFO L175 Difference]: Start difference. First operand has 263 places, 272 transitions, 673 flow. Second operand 17 states and 2801 transitions. [2024-11-17 03:44:07,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 846 transitions, 3395 flow [2024-11-17 03:44:07,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 846 transitions, 3389 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-17 03:44:07,560 INFO L231 Difference]: Finished difference. Result has 286 places, 293 transitions, 889 flow [2024-11-17 03:44:07,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=889, PETRI_PLACES=286, PETRI_TRANSITIONS=293} [2024-11-17 03:44:07,561 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 7 predicate places. [2024-11-17 03:44:07,561 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 293 transitions, 889 flow [2024-11-17 03:44:07,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 123.77777777777777) internal successors, (1114), 9 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:07,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:44:07,562 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:44:07,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 03:44:07,562 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-17 03:44:07,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:44:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1963531039, now seen corresponding path program 1 times [2024-11-17 03:44:07,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:44:07,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401681587] [2024-11-17 03:44:07,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:44:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:44:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 03:44:07,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 03:44:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 03:44:07,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 03:44:07,690 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 03:44:07,691 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (124 of 125 remaining) [2024-11-17 03:44:07,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 125 remaining) [2024-11-17 03:44:07,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 125 remaining) [2024-11-17 03:44:07,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (121 of 125 remaining) [2024-11-17 03:44:07,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 125 remaining) [2024-11-17 03:44:07,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 125 remaining) [2024-11-17 03:44:07,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK (118 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 125 remaining) [2024-11-17 03:44:07,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 125 remaining) [2024-11-17 03:44:07,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 125 remaining) [2024-11-17 03:44:07,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 125 remaining) [2024-11-17 03:44:07,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 125 remaining) [2024-11-17 03:44:07,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 125 remaining) [2024-11-17 03:44:07,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 125 remaining) [2024-11-17 03:44:07,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 125 remaining) [2024-11-17 03:44:07,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 125 remaining) [2024-11-17 03:44:07,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK (91 of 125 remaining) [2024-11-17 03:44:07,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK (84 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK (81 of 125 remaining) [2024-11-17 03:44:07,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 125 remaining) [2024-11-17 03:44:07,699 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 125 remaining) [2024-11-17 03:44:07,699 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 125 remaining) [2024-11-17 03:44:07,699 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 125 remaining) [2024-11-17 03:44:07,699 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 125 remaining) [2024-11-17 03:44:07,700 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 125 remaining) [2024-11-17 03:44:07,700 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 125 remaining) [2024-11-17 03:44:07,700 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 125 remaining) [2024-11-17 03:44:07,700 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 125 remaining) [2024-11-17 03:44:07,700 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK (64 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 125 remaining) [2024-11-17 03:44:07,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 125 remaining) [2024-11-17 03:44:07,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (47 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (46 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 125 remaining) [2024-11-17 03:44:07,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 125 remaining) [2024-11-17 03:44:07,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 125 remaining) [2024-11-17 03:44:07,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 125 remaining) [2024-11-17 03:44:07,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 125 remaining) [2024-11-17 03:44:07,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 125 remaining) [2024-11-17 03:44:07,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 125 remaining) [2024-11-17 03:44:07,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 125 remaining) [2024-11-17 03:44:07,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 125 remaining) [2024-11-17 03:44:07,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 125 remaining) [2024-11-17 03:44:07,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 125 remaining) [2024-11-17 03:44:07,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 125 remaining) [2024-11-17 03:44:07,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 125 remaining) [2024-11-17 03:44:07,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 125 remaining) [2024-11-17 03:44:07,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 125 remaining) [2024-11-17 03:44:07,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 125 remaining) [2024-11-17 03:44:07,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 125 remaining) [2024-11-17 03:44:07,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 03:44:07,708 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:44:07,712 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-17 03:44:07,712 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-17 03:44:07,780 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-17 03:44:07,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 325 places, 395 transitions, 806 flow [2024-11-17 03:44:07,855 INFO L124 PetriNetUnfolderBase]: 234/1127 cut-off events. [2024-11-17 03:44:07,855 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-17 03:44:07,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1139 conditions, 1127 events. 234/1127 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 6662 event pairs, 0 based on Foata normal form. 0/557 useless extension candidates. Maximal degree in co-relation 591. Up to 12 conditions per place. [2024-11-17 03:44:07,862 INFO L82 GeneralOperation]: Start removeDead. Operand has 325 places, 395 transitions, 806 flow [2024-11-17 03:44:07,871 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 325 places, 395 transitions, 806 flow [2024-11-17 03:44:07,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:44:07,872 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=None, 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;@5ce8948b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:44:07,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 145 error locations. [2024-11-17 03:44:07,875 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 03:44:07,875 INFO L124 PetriNetUnfolderBase]: 6/18 cut-off events. [2024-11-17 03:44:07,875 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:44:07,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:44:07,875 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-17 03:44:07,875 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (and 142 more)] === [2024-11-17 03:44:07,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:44:07,876 INFO L85 PathProgramCache]: Analyzing trace with hash 77121639, now seen corresponding path program 1 times [2024-11-17 03:44:07,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:44:07,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062511359] [2024-11-17 03:44:07,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:44:07,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:44:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:44:07,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:44:07,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:44:07,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062511359] [2024-11-17 03:44:07,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062511359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:44:07,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:44:07,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:44:07,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197153442] [2024-11-17 03:44:07,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:44:07,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 03:44:07,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:44:07,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 03:44:07,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:44:07,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 395 [2024-11-17 03:44:07,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 395 transitions, 806 flow. Second operand has 2 states, 2 states have (on average 146.5) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:44:07,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:44:07,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 395 [2024-11-17 03:44:07,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand