./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1 --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 0.3.0-dev-d790fec [2024-12-02 11:02:30,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:02:30,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 11:02:30,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:02:30,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:02:30,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:02:30,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:02:30,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:02:30,100 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:02:30,100 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:02:30,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:02:30,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:02:30,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:02:30,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:02:30,101 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:02:30,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:02:30,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:02:30,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:02:30,103 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:02:30,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:02:30,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:02:30,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:02:30,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:02:30,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:02:30,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:02:30,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:02:30,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:02:30,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:02:30,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:02:30,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:02:30,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:02:30,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:02:30,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:02:30,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:02:30,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:02:30,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:02:30,104 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 11:02:30,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:02:30,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:02:30,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:02:30,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:02:30,329 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:02:30,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-12-02 11:02:33,065 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/data/0acd0859b/3c0adf4395d4430ba3dc6ed673432f37/FLAGc648adf07 [2024-12-02 11:02:33,514 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:02:33,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-12-02 11:02:33,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/data/0acd0859b/3c0adf4395d4430ba3dc6ed673432f37/FLAGc648adf07 [2024-12-02 11:02:33,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/data/0acd0859b/3c0adf4395d4430ba3dc6ed673432f37 [2024-12-02 11:02:33,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:02:33,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:02:33,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:02:33,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:02:33,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:02:33,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:33" (1/1) ... [2024-12-02 11:02:33,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b1f475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:33, skipping insertion in model container [2024-12-02 11:02:33,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:33" (1/1) ... [2024-12-02 11:02:33,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:02:36,471 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-02 11:02:36,477 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-02 11:02:36,477 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-02 11:02:36,482 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-02 11:02:36,482 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-02 11:02:36,635 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-02 11:02:36,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:02:36,647 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:02:36,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-12-02 11:02:36,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-12-02 11:02:36,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-12-02 11:02:36,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-12-02 11:02:36,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-12-02 11:02:36,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-12-02 11:02:36,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-12-02 11:02:36,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-12-02 11:02:36,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-12-02 11:02:36,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-12-02 11:02:36,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-12-02 11:02:36,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-12-02 11:02:36,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-12-02 11:02:36,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-12-02 11:02:36,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-12-02 11:02:36,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-12-02 11:02:36,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-12-02 11:02:36,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-12-02 11:02:36,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-12-02 11:02:36,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-12-02 11:02:36,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-12-02 11:02:36,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-12-02 11:02:36,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-12-02 11:02:36,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-12-02 11:02:36,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-12-02 11:02:36,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-12-02 11:02:36,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-12-02 11:02:36,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-12-02 11:02:36,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-12-02 11:02:36,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-12-02 11:02:36,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-12-02 11:02:36,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-12-02 11:02:36,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-12-02 11:02:36,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-12-02 11:02:36,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-12-02 11:02:36,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-12-02 11:02:36,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-12-02 11:02:36,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-12-02 11:02:36,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-12-02 11:02:36,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-12-02 11:02:36,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-12-02 11:02:36,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-12-02 11:02:36,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-12-02 11:02:36,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-12-02 11:02:36,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-12-02 11:02:36,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-12-02 11:02:36,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-12-02 11:02:36,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-12-02 11:02:36,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-12-02 11:02:36,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-12-02 11:02:36,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-12-02 11:02:36,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-12-02 11:02:36,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-12-02 11:02:36,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-12-02 11:02:36,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-12-02 11:02:36,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-12-02 11:02:36,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-12-02 11:02:36,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-12-02 11:02:36,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-12-02 11:02:36,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-12-02 11:02:36,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-12-02 11:02:36,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-12-02 11:02:36,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-12-02 11:02:36,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-12-02 11:02:36,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-12-02 11:02:36,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-12-02 11:02:36,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-12-02 11:02:36,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-12-02 11:02:36,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-12-02 11:02:36,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-12-02 11:02:36,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-12-02 11:02:36,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-12-02 11:02:36,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-12-02 11:02:36,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-12-02 11:02:36,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-12-02 11:02:36,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-12-02 11:02:36,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-12-02 11:02:36,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-12-02 11:02:36,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-12-02 11:02:36,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-12-02 11:02:36,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-12-02 11:02:36,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-12-02 11:02:36,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-12-02 11:02:36,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-12-02 11:02:36,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-12-02 11:02:36,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-12-02 11:02:36,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-12-02 11:02:36,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-12-02 11:02:36,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-12-02 11:02:36,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-12-02 11:02:36,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-12-02 11:02:36,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-12-02 11:02:36,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-12-02 11:02:36,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-12-02 11:02:36,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-12-02 11:02:36,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-12-02 11:02:36,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-12-02 11:02:36,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-12-02 11:02:36,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-12-02 11:02:36,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-12-02 11:02:36,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:02:37,093 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:02:37,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37 WrapperNode [2024-12-02 11:02:37,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:02:37,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:02:37,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:02:37,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:02:37,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,209 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 655 [2024-12-02 11:02:37,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:02:37,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:02:37,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:02:37,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:02:37,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,222 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,252 INFO L175 MemorySlicer]: Split 65 memory accesses to 5 slices as follows [2, 8, 44, 2, 9]. 68 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 4, 6, 0, 5]. The 20 writes are split as follows [0, 3, 14, 1, 2]. [2024-12-02 11:02:37,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,275 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:02:37,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:02:37,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:02:37,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:02:37,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (1/1) ... [2024-12-02 11:02:37,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:02:37,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:37,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:02:37,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b9015b-f136-4644-8f07-4698f2e56306/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:02:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:02:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:02:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-12-02 11:02:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:02:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:02:37,353 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 11:02:37,531 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:02:37,533 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:02:38,518 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 11:02:38,519 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:02:38,928 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:02:38,928 INFO L312 CfgBuilder]: Removed 23 assume(true) statements. [2024-12-02 11:02:38,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:38 BoogieIcfgContainer [2024-12-02 11:02:38,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:02:38,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:02:38,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:02:38,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:02:38,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:02:33" (1/3) ... [2024-12-02 11:02:38,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b5be94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:02:38, skipping insertion in model container [2024-12-02 11:02:38,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:37" (2/3) ... [2024-12-02 11:02:38,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b5be94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:02:38, skipping insertion in model container [2024-12-02 11:02:38,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:38" (3/3) ... [2024-12-02 11:02:38,936 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-12-02 11:02:38,949 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:02:38,950 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_mpmc_check_full.i that has 2 procedures, 258 locations, 1 initial locations, 23 loop locations, and 104 error locations. [2024-12-02 11:02:38,951 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 11:02:39,041 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-02 11:02:39,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 319 transitions, 645 flow [2024-12-02 11:02:39,205 INFO L124 PetriNetUnfolderBase]: 108/544 cut-off events. [2024-12-02 11:02:39,207 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 11:02:39,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 544 events. 108/544 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2497 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 272. Up to 6 conditions per place. [2024-12-02 11:02:39,216 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 319 transitions, 645 flow [2024-12-02 11:02:39,224 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 319 transitions, 645 flow [2024-12-02 11:02:39,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:02:39,241 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;@9bd99f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:02:39,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2024-12-02 11:02:39,245 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:02:39,245 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-12-02 11:02:39,245 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:02:39,246 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:39,246 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 11:02:39,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:39,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:39,250 INFO L85 PathProgramCache]: Analyzing trace with hash 70281303, now seen corresponding path program 1 times [2024-12-02 11:02:39,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:39,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100759286] [2024-12-02 11:02:39,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:39,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:39,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:39,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100759286] [2024-12-02 11:02:39,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100759286] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:39,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:39,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:39,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850459865] [2024-12-02 11:02:39,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:39,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:02:39,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:39,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:02:39,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:02:39,416 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 319 [2024-12-02 11:02:39,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 319 transitions, 645 flow. Second operand has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 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) [2024-12-02 11:02:39,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:39,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 319 [2024-12-02 11:02:39,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:40,577 INFO L124 PetriNetUnfolderBase]: 2857/7220 cut-off events. [2024-12-02 11:02:40,577 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 11:02:40,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12582 conditions, 7220 events. 2857/7220 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 56132 event pairs, 2276 based on Foata normal form. 792/5197 useless extension candidates. Maximal degree in co-relation 12246. Up to 5357 conditions per place. [2024-12-02 11:02:40,607 INFO L140 encePairwiseOnDemand]: 263/319 looper letters, 148 selfloop transitions, 0 changer transitions 0/256 dead transitions. [2024-12-02 11:02:40,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 256 transitions, 815 flow [2024-12-02 11:02:40,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:02:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-12-02 11:02:40,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 420 transitions. [2024-12-02 11:02:40,621 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.658307210031348 [2024-12-02 11:02:40,622 INFO L175 Difference]: Start difference. First operand has 261 places, 319 transitions, 645 flow. Second operand 2 states and 420 transitions. [2024-12-02 11:02:40,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 256 transitions, 815 flow [2024-12-02 11:02:40,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 256 transitions, 815 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 11:02:40,632 INFO L231 Difference]: Finished difference. Result has 247 places, 256 transitions, 519 flow [2024-12-02 11:02:40,635 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=519, PETRI_PLACES=247, PETRI_TRANSITIONS=256} [2024-12-02 11:02:40,638 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -14 predicate places. [2024-12-02 11:02:40,638 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 256 transitions, 519 flow [2024-12-02 11:02:40,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 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) [2024-12-02 11:02:40,638 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:40,638 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 11:02:40,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:02:40,639 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:40,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:40,639 INFO L85 PathProgramCache]: Analyzing trace with hash 70276045, now seen corresponding path program 1 times [2024-12-02 11:02:40,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:40,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479213809] [2024-12-02 11:02:40,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:40,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:40,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:40,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479213809] [2024-12-02 11:02:40,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479213809] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:40,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:40,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:40,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875950555] [2024-12-02 11:02:40,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:40,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:02:40,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:40,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:02:40,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:02:40,752 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 319 [2024-12-02 11:02:40,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 256 transitions, 519 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2024-12-02 11:02:40,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:40,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 319 [2024-12-02 11:02:40,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:41,613 INFO L124 PetriNetUnfolderBase]: 2857/7217 cut-off events. [2024-12-02 11:02:41,613 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 11:02:41,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12579 conditions, 7217 events. 2857/7217 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 56154 event pairs, 2276 based on Foata normal form. 1/4403 useless extension candidates. Maximal degree in co-relation 12575. Up to 5338 conditions per place. [2024-12-02 11:02:41,640 INFO L140 encePairwiseOnDemand]: 316/319 looper letters, 145 selfloop transitions, 2 changer transitions 0/253 dead transitions. [2024-12-02 11:02:41,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 253 transitions, 807 flow [2024-12-02 11:02:41,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:02:41,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:02:41,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-12-02 11:02:41,644 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49320794148380354 [2024-12-02 11:02:41,644 INFO L175 Difference]: Start difference. First operand has 247 places, 256 transitions, 519 flow. Second operand 3 states and 472 transitions. [2024-12-02 11:02:41,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 253 transitions, 807 flow [2024-12-02 11:02:41,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 253 transitions, 807 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 11:02:41,650 INFO L231 Difference]: Finished difference. Result has 246 places, 253 transitions, 517 flow [2024-12-02 11:02:41,651 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=517, PETRI_PLACES=246, PETRI_TRANSITIONS=253} [2024-12-02 11:02:41,651 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -15 predicate places. [2024-12-02 11:02:41,651 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 253 transitions, 517 flow [2024-12-02 11:02:41,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2024-12-02 11:02:41,652 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:41,652 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 11:02:41,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:02:41,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:41,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:41,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1177783163, now seen corresponding path program 1 times [2024-12-02 11:02:41,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:41,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283691861] [2024-12-02 11:02:41,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:41,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:41,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:41,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283691861] [2024-12-02 11:02:41,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283691861] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:41,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:41,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:02:41,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51571214] [2024-12-02 11:02:41,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:41,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:02:41,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:41,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:02:41,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:02:41,846 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-12-02 11:02:41,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 253 transitions, 517 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2024-12-02 11:02:41,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:41,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-12-02 11:02:41,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:42,734 INFO L124 PetriNetUnfolderBase]: 2857/7215 cut-off events. [2024-12-02 11:02:42,734 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 11:02:42,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12580 conditions, 7215 events. 2857/7215 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 56171 event pairs, 2276 based on Foata normal form. 1/4403 useless extension candidates. Maximal degree in co-relation 12575. Up to 5338 conditions per place. [2024-12-02 11:02:42,765 INFO L140 encePairwiseOnDemand]: 315/319 looper letters, 145 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2024-12-02 11:02:42,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 251 transitions, 807 flow [2024-12-02 11:02:42,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:02:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:02:42,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-12-02 11:02:42,768 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48798328108672934 [2024-12-02 11:02:42,768 INFO L175 Difference]: Start difference. First operand has 246 places, 253 transitions, 517 flow. Second operand 3 states and 467 transitions. [2024-12-02 11:02:42,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 251 transitions, 807 flow [2024-12-02 11:02:42,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 251 transitions, 803 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:02:42,773 INFO L231 Difference]: Finished difference. Result has 244 places, 251 transitions, 513 flow [2024-12-02 11:02:42,774 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=513, PETRI_PLACES=244, PETRI_TRANSITIONS=251} [2024-12-02 11:02:42,774 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -17 predicate places. [2024-12-02 11:02:42,774 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 251 transitions, 513 flow [2024-12-02 11:02:42,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2024-12-02 11:02:42,775 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:42,775 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 11:02:42,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:02:42,775 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:42,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:42,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1177783162, now seen corresponding path program 1 times [2024-12-02 11:02:42,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:42,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368084064] [2024-12-02 11:02:42,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:42,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:42,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:42,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368084064] [2024-12-02 11:02:42,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368084064] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:42,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:42,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:02:42,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32180731] [2024-12-02 11:02:42,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:42,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:02:42,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:42,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:02:42,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:02:43,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-12-02 11:02:43,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 251 transitions, 513 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2024-12-02 11:02:43,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:43,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-12-02 11:02:43,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:43,820 INFO L124 PetriNetUnfolderBase]: 2857/7213 cut-off events. [2024-12-02 11:02:43,820 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 11:02:43,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12578 conditions, 7213 events. 2857/7213 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 56184 event pairs, 2276 based on Foata normal form. 1/4402 useless extension candidates. Maximal degree in co-relation 12573. Up to 5338 conditions per place. [2024-12-02 11:02:43,847 INFO L140 encePairwiseOnDemand]: 315/319 looper letters, 145 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2024-12-02 11:02:43,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 249 transitions, 803 flow [2024-12-02 11:02:43,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:02:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:02:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-12-02 11:02:43,849 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48798328108672934 [2024-12-02 11:02:43,850 INFO L175 Difference]: Start difference. First operand has 244 places, 251 transitions, 513 flow. Second operand 3 states and 467 transitions. [2024-12-02 11:02:43,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 249 transitions, 803 flow [2024-12-02 11:02:43,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 249 transitions, 799 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:02:43,854 INFO L231 Difference]: Finished difference. Result has 242 places, 249 transitions, 509 flow [2024-12-02 11:02:43,854 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=505, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=509, PETRI_PLACES=242, PETRI_TRANSITIONS=249} [2024-12-02 11:02:43,855 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -19 predicate places. [2024-12-02 11:02:43,855 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 249 transitions, 509 flow [2024-12-02 11:02:43,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2024-12-02 11:02:43,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:43,855 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 11:02:43,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:02:43,855 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:43,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1177785327, now seen corresponding path program 1 times [2024-12-02 11:02:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:43,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281615823] [2024-12-02 11:02:43,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:43,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:43,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281615823] [2024-12-02 11:02:43,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281615823] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:43,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:43,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:43,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539229750] [2024-12-02 11:02:43,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:43,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:02:43,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:43,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:02:43,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:02:43,910 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 319 [2024-12-02 11:02:43,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 249 transitions, 509 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2024-12-02 11:02:43,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:43,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 319 [2024-12-02 11:02:43,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:44,743 INFO L124 PetriNetUnfolderBase]: 2857/7210 cut-off events. [2024-12-02 11:02:44,743 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 11:02:44,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12574 conditions, 7210 events. 2857/7210 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 56138 event pairs, 2276 based on Foata normal form. 1/4399 useless extension candidates. Maximal degree in co-relation 12569. Up to 5338 conditions per place. [2024-12-02 11:02:44,764 INFO L140 encePairwiseOnDemand]: 316/319 looper letters, 144 selfloop transitions, 2 changer transitions 0/246 dead transitions. [2024-12-02 11:02:44,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 246 transitions, 795 flow [2024-12-02 11:02:44,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:02:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:02:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-12-02 11:02:44,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49216300940438873 [2024-12-02 11:02:44,767 INFO L175 Difference]: Start difference. First operand has 242 places, 249 transitions, 509 flow. Second operand 3 states and 471 transitions. [2024-12-02 11:02:44,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 246 transitions, 795 flow [2024-12-02 11:02:44,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 246 transitions, 791 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:02:44,771 INFO L231 Difference]: Finished difference. Result has 239 places, 246 transitions, 503 flow [2024-12-02 11:02:44,771 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=503, PETRI_PLACES=239, PETRI_TRANSITIONS=246} [2024-12-02 11:02:44,772 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -22 predicate places. [2024-12-02 11:02:44,772 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 246 transitions, 503 flow [2024-12-02 11:02:44,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2024-12-02 11:02:44,772 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:44,772 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:44,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:02:44,773 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:44,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:44,773 INFO L85 PathProgramCache]: Analyzing trace with hash 2021820351, now seen corresponding path program 1 times [2024-12-02 11:02:44,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:44,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425106271] [2024-12-02 11:02:44,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:44,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:44,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:44,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425106271] [2024-12-02 11:02:44,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425106271] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:44,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:44,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:44,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875002446] [2024-12-02 11:02:44,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:44,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:44,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:44,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:44,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:44,984 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 319 [2024-12-02 11:02:44,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 246 transitions, 503 flow. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 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) [2024-12-02 11:02:44,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:44,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 319 [2024-12-02 11:02:44,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:45,712 INFO L124 PetriNetUnfolderBase]: 2857/7209 cut-off events. [2024-12-02 11:02:45,712 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 11:02:45,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12573 conditions, 7209 events. 2857/7209 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 56265 event pairs, 2198 based on Foata normal form. 0/4401 useless extension candidates. Maximal degree in co-relation 12568. Up to 5170 conditions per place. [2024-12-02 11:02:45,729 INFO L140 encePairwiseOnDemand]: 305/319 looper letters, 165 selfloop transitions, 10 changer transitions 0/274 dead transitions. [2024-12-02 11:02:45,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 274 transitions, 909 flow [2024-12-02 11:02:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:02:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 11:02:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 704 transitions. [2024-12-02 11:02:45,732 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4413793103448276 [2024-12-02 11:02:45,732 INFO L175 Difference]: Start difference. First operand has 239 places, 246 transitions, 503 flow. Second operand 5 states and 704 transitions. [2024-12-02 11:02:45,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 274 transitions, 909 flow [2024-12-02 11:02:45,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 274 transitions, 905 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:02:45,737 INFO L231 Difference]: Finished difference. Result has 238 places, 246 transitions, 534 flow [2024-12-02 11:02:45,737 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=534, PETRI_PLACES=238, PETRI_TRANSITIONS=246} [2024-12-02 11:02:45,738 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -23 predicate places. [2024-12-02 11:02:45,738 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 246 transitions, 534 flow [2024-12-02 11:02:45,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 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) [2024-12-02 11:02:45,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:45,738 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:45,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:02:45,739 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:45,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:45,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2021820352, now seen corresponding path program 1 times [2024-12-02 11:02:45,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:45,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557231127] [2024-12-02 11:02:45,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:45,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:45,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:45,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557231127] [2024-12-02 11:02:45,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557231127] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:45,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:45,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:45,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264091723] [2024-12-02 11:02:45,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:45,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:45,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:45,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:45,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:46,050 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-12-02 11:02:46,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 246 transitions, 534 flow. Second operand has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:46,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:46,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-12-02 11:02:46,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:46,744 INFO L124 PetriNetUnfolderBase]: 2857/7208 cut-off events. [2024-12-02 11:02:46,745 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2024-12-02 11:02:46,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12919 conditions, 7208 events. 2857/7208 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 56275 event pairs, 2273 based on Foata normal form. 0/4574 useless extension candidates. Maximal degree in co-relation 12913. Up to 5341 conditions per place. [2024-12-02 11:02:46,760 INFO L140 encePairwiseOnDemand]: 314/319 looper letters, 141 selfloop transitions, 4 changer transitions 0/245 dead transitions. [2024-12-02 11:02:46,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 245 transitions, 822 flow [2024-12-02 11:02:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:46,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:02:46,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 566 transitions. [2024-12-02 11:02:46,762 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44357366771159873 [2024-12-02 11:02:46,762 INFO L175 Difference]: Start difference. First operand has 238 places, 246 transitions, 534 flow. Second operand 4 states and 566 transitions. [2024-12-02 11:02:46,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 245 transitions, 822 flow [2024-12-02 11:02:46,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 245 transitions, 809 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 11:02:46,773 INFO L231 Difference]: Finished difference. Result has 237 places, 245 transitions, 527 flow [2024-12-02 11:02:46,773 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=527, PETRI_PLACES=237, PETRI_TRANSITIONS=245} [2024-12-02 11:02:46,774 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -24 predicate places. [2024-12-02 11:02:46,774 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 245 transitions, 527 flow [2024-12-02 11:02:46,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:46,774 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:46,774 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:46,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:02:46,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:46,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:46,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1644210565, now seen corresponding path program 1 times [2024-12-02 11:02:46,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:46,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118971508] [2024-12-02 11:02:46,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:46,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:46,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:46,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118971508] [2024-12-02 11:02:46,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118971508] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:46,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:46,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:46,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252940009] [2024-12-02 11:02:46,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:46,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:46,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:46,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:46,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:47,154 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-12-02 11:02:47,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 245 transitions, 527 flow. Second operand has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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) [2024-12-02 11:02:47,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:47,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-12-02 11:02:47,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:48,056 INFO L124 PetriNetUnfolderBase]: 2857/7207 cut-off events. [2024-12-02 11:02:48,056 INFO L125 PetriNetUnfolderBase]: For 83/83 co-relation queries the response was YES. [2024-12-02 11:02:48,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12831 conditions, 7207 events. 2857/7207 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 56250 event pairs, 2273 based on Foata normal form. 0/4574 useless extension candidates. Maximal degree in co-relation 12825. Up to 5341 conditions per place. [2024-12-02 11:02:48,075 INFO L140 encePairwiseOnDemand]: 314/319 looper letters, 140 selfloop transitions, 4 changer transitions 0/244 dead transitions. [2024-12-02 11:02:48,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 244 transitions, 813 flow [2024-12-02 11:02:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:02:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 565 transitions. [2024-12-02 11:02:48,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4427899686520376 [2024-12-02 11:02:48,077 INFO L175 Difference]: Start difference. First operand has 237 places, 245 transitions, 527 flow. Second operand 4 states and 565 transitions. [2024-12-02 11:02:48,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 244 transitions, 813 flow [2024-12-02 11:02:48,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 244 transitions, 805 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 11:02:48,082 INFO L231 Difference]: Finished difference. Result has 236 places, 244 transitions, 525 flow [2024-12-02 11:02:48,083 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=525, PETRI_PLACES=236, PETRI_TRANSITIONS=244} [2024-12-02 11:02:48,083 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-12-02 11:02:48,084 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 244 transitions, 525 flow [2024-12-02 11:02:48,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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) [2024-12-02 11:02:48,084 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:48,084 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:48,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:02:48,084 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:48,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:48,085 INFO L85 PathProgramCache]: Analyzing trace with hash -461540222, now seen corresponding path program 1 times [2024-12-02 11:02:48,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:48,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536514287] [2024-12-02 11:02:48,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:48,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:48,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:48,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536514287] [2024-12-02 11:02:48,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536514287] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:48,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:48,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:48,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292624270] [2024-12-02 11:02:48,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:48,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:48,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:48,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:48,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:48,464 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-12-02 11:02:48,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 244 transitions, 525 flow. Second operand has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 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) [2024-12-02 11:02:48,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:48,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-12-02 11:02:48,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:49,210 INFO L124 PetriNetUnfolderBase]: 2857/7206 cut-off events. [2024-12-02 11:02:49,210 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-12-02 11:02:49,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12829 conditions, 7206 events. 2857/7206 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 56300 event pairs, 2273 based on Foata normal form. 0/4574 useless extension candidates. Maximal degree in co-relation 12823. Up to 5341 conditions per place. [2024-12-02 11:02:49,222 INFO L140 encePairwiseOnDemand]: 314/319 looper letters, 139 selfloop transitions, 4 changer transitions 0/243 dead transitions. [2024-12-02 11:02:49,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 243 transitions, 809 flow [2024-12-02 11:02:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:02:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 564 transitions. [2024-12-02 11:02:49,224 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44200626959247646 [2024-12-02 11:02:49,224 INFO L175 Difference]: Start difference. First operand has 236 places, 244 transitions, 525 flow. Second operand 4 states and 564 transitions. [2024-12-02 11:02:49,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 243 transitions, 809 flow [2024-12-02 11:02:49,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 243 transitions, 801 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 11:02:49,227 INFO L231 Difference]: Finished difference. Result has 235 places, 243 transitions, 523 flow [2024-12-02 11:02:49,227 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=523, PETRI_PLACES=235, PETRI_TRANSITIONS=243} [2024-12-02 11:02:49,227 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -26 predicate places. [2024-12-02 11:02:49,228 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 243 transitions, 523 flow [2024-12-02 11:02:49,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 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) [2024-12-02 11:02:49,228 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:49,228 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:49,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:02:49,228 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:49,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:49,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1158444960, now seen corresponding path program 1 times [2024-12-02 11:02:49,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:49,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116034399] [2024-12-02 11:02:49,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:49,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:49,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:49,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116034399] [2024-12-02 11:02:49,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116034399] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:49,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:49,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:49,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736247794] [2024-12-02 11:02:49,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:49,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:49,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:49,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:49,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:49,555 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-12-02 11:02:49,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 243 transitions, 523 flow. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 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) [2024-12-02 11:02:49,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:49,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-12-02 11:02:49,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:50,380 INFO L124 PetriNetUnfolderBase]: 2857/7205 cut-off events. [2024-12-02 11:02:50,380 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-12-02 11:02:50,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12827 conditions, 7205 events. 2857/7205 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 56230 event pairs, 2273 based on Foata normal form. 0/4574 useless extension candidates. Maximal degree in co-relation 12821. Up to 5341 conditions per place. [2024-12-02 11:02:50,399 INFO L140 encePairwiseOnDemand]: 315/319 looper letters, 139 selfloop transitions, 3 changer transitions 0/242 dead transitions. [2024-12-02 11:02:50,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 242 transitions, 805 flow [2024-12-02 11:02:50,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:02:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 563 transitions. [2024-12-02 11:02:50,401 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44122257053291536 [2024-12-02 11:02:50,401 INFO L175 Difference]: Start difference. First operand has 235 places, 243 transitions, 523 flow. Second operand 4 states and 563 transitions. [2024-12-02 11:02:50,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 242 transitions, 805 flow [2024-12-02 11:02:50,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 242 transitions, 797 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 11:02:50,406 INFO L231 Difference]: Finished difference. Result has 234 places, 242 transitions, 519 flow [2024-12-02 11:02:50,406 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=519, PETRI_PLACES=234, PETRI_TRANSITIONS=242} [2024-12-02 11:02:50,407 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -27 predicate places. [2024-12-02 11:02:50,407 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 242 transitions, 519 flow [2024-12-02 11:02:50,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 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) [2024-12-02 11:02:50,407 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:50,407 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:50,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:02:50,407 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:50,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:50,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1169316619, now seen corresponding path program 1 times [2024-12-02 11:02:50,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:50,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243017692] [2024-12-02 11:02:50,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:50,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:50,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:50,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243017692] [2024-12-02 11:02:50,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243017692] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:50,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:50,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:50,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500251871] [2024-12-02 11:02:50,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:50,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:50,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:50,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:50,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:50,762 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-12-02 11:02:50,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 242 transitions, 519 flow. Second operand has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2024-12-02 11:02:50,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:50,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-12-02 11:02:50,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:51,534 INFO L124 PetriNetUnfolderBase]: 2921/7506 cut-off events. [2024-12-02 11:02:51,534 INFO L125 PetriNetUnfolderBase]: For 86/89 co-relation queries the response was YES. [2024-12-02 11:02:51,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13254 conditions, 7506 events. 2921/7506 cut-off events. For 86/89 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 59799 event pairs, 2145 based on Foata normal form. 1/4808 useless extension candidates. Maximal degree in co-relation 13248. Up to 5467 conditions per place. [2024-12-02 11:02:51,548 INFO L140 encePairwiseOnDemand]: 312/319 looper letters, 146 selfloop transitions, 6 changer transitions 0/250 dead transitions. [2024-12-02 11:02:51,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 250 transitions, 839 flow [2024-12-02 11:02:51,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:02:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 574 transitions. [2024-12-02 11:02:51,549 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4498432601880878 [2024-12-02 11:02:51,549 INFO L175 Difference]: Start difference. First operand has 234 places, 242 transitions, 519 flow. Second operand 4 states and 574 transitions. [2024-12-02 11:02:51,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 250 transitions, 839 flow [2024-12-02 11:02:51,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 250 transitions, 833 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 11:02:51,554 INFO L231 Difference]: Finished difference. Result has 236 places, 247 transitions, 555 flow [2024-12-02 11:02:51,554 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=555, PETRI_PLACES=236, PETRI_TRANSITIONS=247} [2024-12-02 11:02:51,554 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-12-02 11:02:51,554 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 247 transitions, 555 flow [2024-12-02 11:02:51,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2024-12-02 11:02:51,555 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:51,555 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:51,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:02:51,555 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:51,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:51,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1169316620, now seen corresponding path program 1 times [2024-12-02 11:02:51,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:51,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955302919] [2024-12-02 11:02:51,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:51,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:51,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955302919] [2024-12-02 11:02:51,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955302919] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:51,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:51,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:51,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827074210] [2024-12-02 11:02:51,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:51,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:02:51,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:51,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:02:51,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:02:51,687 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 319 [2024-12-02 11:02:51,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 247 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2024-12-02 11:02:51,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:51,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 319 [2024-12-02 11:02:51,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:52,510 INFO L124 PetriNetUnfolderBase]: 2930/7608 cut-off events. [2024-12-02 11:02:52,510 INFO L125 PetriNetUnfolderBase]: For 272/272 co-relation queries the response was YES. [2024-12-02 11:02:52,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13671 conditions, 7608 events. 2930/7608 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 61486 event pairs, 2085 based on Foata normal form. 0/4927 useless extension candidates. Maximal degree in co-relation 13663. Up to 5166 conditions per place. [2024-12-02 11:02:52,525 INFO L140 encePairwiseOnDemand]: 312/319 looper letters, 273 selfloop transitions, 6 changer transitions 0/375 dead transitions. [2024-12-02 11:02:52,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 375 transitions, 1396 flow [2024-12-02 11:02:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:02:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:02:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2024-12-02 11:02:52,527 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6102403343782654 [2024-12-02 11:02:52,527 INFO L175 Difference]: Start difference. First operand has 236 places, 247 transitions, 555 flow. Second operand 3 states and 584 transitions. [2024-12-02 11:02:52,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 375 transitions, 1396 flow [2024-12-02 11:02:52,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 375 transitions, 1396 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 11:02:52,534 INFO L231 Difference]: Finished difference. Result has 240 places, 251 transitions, 601 flow [2024-12-02 11:02:52,534 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=240, PETRI_TRANSITIONS=251} [2024-12-02 11:02:52,535 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -21 predicate places. [2024-12-02 11:02:52,535 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 251 transitions, 601 flow [2024-12-02 11:02:52,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2024-12-02 11:02:52,535 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:52,535 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:52,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 11:02:52,535 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:52,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:52,536 INFO L85 PathProgramCache]: Analyzing trace with hash -457660153, now seen corresponding path program 1 times [2024-12-02 11:02:52,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:52,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375352248] [2024-12-02 11:02:52,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:52,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:52,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:52,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375352248] [2024-12-02 11:02:52,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375352248] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:52,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:52,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:52,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585192130] [2024-12-02 11:02:52,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:52,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:02:52,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:52,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:02:52,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:02:52,885 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 319 [2024-12-02 11:02:52,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 251 transitions, 601 flow. Second operand has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:52,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:52,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 319 [2024-12-02 11:02:52,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:53,866 INFO L124 PetriNetUnfolderBase]: 2912/7613 cut-off events. [2024-12-02 11:02:53,866 INFO L125 PetriNetUnfolderBase]: For 811/815 co-relation queries the response was YES. [2024-12-02 11:02:53,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13917 conditions, 7613 events. 2912/7613 cut-off events. For 811/815 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 61113 event pairs, 2043 based on Foata normal form. 2/4942 useless extension candidates. Maximal degree in co-relation 13907. Up to 4970 conditions per place. [2024-12-02 11:02:53,883 INFO L140 encePairwiseOnDemand]: 313/319 looper letters, 300 selfloop transitions, 7 changer transitions 0/405 dead transitions. [2024-12-02 11:02:53,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 405 transitions, 1553 flow [2024-12-02 11:02:53,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:02:53,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 11:02:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 819 transitions. [2024-12-02 11:02:53,885 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5134796238244514 [2024-12-02 11:02:53,886 INFO L175 Difference]: Start difference. First operand has 240 places, 251 transitions, 601 flow. Second operand 5 states and 819 transitions. [2024-12-02 11:02:53,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 405 transitions, 1553 flow [2024-12-02 11:02:53,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 405 transitions, 1539 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:02:53,891 INFO L231 Difference]: Finished difference. Result has 245 places, 254 transitions, 637 flow [2024-12-02 11:02:53,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=637, PETRI_PLACES=245, PETRI_TRANSITIONS=254} [2024-12-02 11:02:53,892 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -16 predicate places. [2024-12-02 11:02:53,892 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 254 transitions, 637 flow [2024-12-02 11:02:53,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:53,892 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:53,892 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:53,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:02:53,893 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:53,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash -457660152, now seen corresponding path program 1 times [2024-12-02 11:02:53,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:53,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204788297] [2024-12-02 11:02:53,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:53,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:54,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:54,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:54,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204788297] [2024-12-02 11:02:54,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204788297] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:54,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:54,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:02:54,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632627226] [2024-12-02 11:02:54,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:54,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:02:54,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:54,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:02:54,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:02:55,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 319 [2024-12-02 11:02:55,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 254 transitions, 637 flow. Second operand has 9 states, 9 states have (on average 104.77777777777777) internal successors, (943), 9 states have internal predecessors, (943), 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) [2024-12-02 11:02:55,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:55,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 319 [2024-12-02 11:02:55,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:02:58,273 INFO L124 PetriNetUnfolderBase]: 5713/14261 cut-off events. [2024-12-02 11:02:58,273 INFO L125 PetriNetUnfolderBase]: For 2545/2551 co-relation queries the response was YES. [2024-12-02 11:02:58,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26473 conditions, 14261 events. 5713/14261 cut-off events. For 2545/2551 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 125633 event pairs, 3574 based on Foata normal form. 185/9261 useless extension candidates. Maximal degree in co-relation 26461. Up to 5061 conditions per place. [2024-12-02 11:02:58,340 INFO L140 encePairwiseOnDemand]: 306/319 looper letters, 701 selfloop transitions, 35 changer transitions 1/834 dead transitions. [2024-12-02 11:02:58,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 834 transitions, 3385 flow [2024-12-02 11:02:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 11:02:58,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-12-02 11:02:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2485 transitions. [2024-12-02 11:02:58,345 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45823345011985983 [2024-12-02 11:02:58,345 INFO L175 Difference]: Start difference. First operand has 245 places, 254 transitions, 637 flow. Second operand 17 states and 2485 transitions. [2024-12-02 11:02:58,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 834 transitions, 3385 flow [2024-12-02 11:02:58,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 834 transitions, 3379 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-12-02 11:02:58,357 INFO L231 Difference]: Finished difference. Result has 268 places, 275 transitions, 849 flow [2024-12-02 11:02:58,357 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=849, PETRI_PLACES=268, PETRI_TRANSITIONS=275} [2024-12-02 11:02:58,358 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, 7 predicate places. [2024-12-02 11:02:58,358 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 275 transitions, 849 flow [2024-12-02 11:02:58,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 104.77777777777777) internal successors, (943), 9 states have internal predecessors, (943), 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) [2024-12-02 11:02:58,358 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:58,359 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:58,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:02:58,359 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-12-02 11:02:58,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:58,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1306603646, now seen corresponding path program 1 times [2024-12-02 11:02:58,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:58,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277470867] [2024-12-02 11:02:58,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:58,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:02:58,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:02:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:02:58,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:02:58,440 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:02:58,440 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (124 of 125 remaining) [2024-12-02 11:02:58,441 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (121 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (118 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 125 remaining) [2024-12-02 11:02:58,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 125 remaining) [2024-12-02 11:02:58,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK (93 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK (86 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK (81 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 125 remaining) [2024-12-02 11:02:58,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK (66 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 125 remaining) [2024-12-02 11:02:58,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK (49 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (46 of 125 remaining) [2024-12-02 11:02:58,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 125 remaining) [2024-12-02 11:02:58,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 125 remaining) [2024-12-02 11:02:58,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 125 remaining) [2024-12-02 11:02:58,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 125 remaining) [2024-12-02 11:02:58,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 11:02:58,450 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:58,452 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-12-02 11:02:58,452 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-12-02 11:02:58,538 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 11:02:58,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 367 transitions, 750 flow [2024-12-02 11:02:58,640 INFO L124 PetriNetUnfolderBase]: 209/1042 cut-off events. [2024-12-02 11:02:58,640 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-12-02 11:02:58,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 1042 events. 209/1042 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6218 event pairs, 0 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 546. Up to 12 conditions per place. [2024-12-02 11:02:58,647 INFO L82 GeneralOperation]: Start removeDead. Operand has 305 places, 367 transitions, 750 flow [2024-12-02 11:02:58,658 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 367 transitions, 750 flow [2024-12-02 11:02:58,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:02:58,660 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;@9bd99f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:02:58,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 145 error locations. [2024-12-02 11:02:58,662 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:02:58,662 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-12-02 11:02:58,662 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:02:58,662 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:02:58,662 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 11:02:58,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 142 more)] === [2024-12-02 11:02:58,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:58,663 INFO L85 PathProgramCache]: Analyzing trace with hash 81579031, now seen corresponding path program 1 times [2024-12-02 11:02:58,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:58,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356598098] [2024-12-02 11:02:58,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:58,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:58,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:58,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356598098] [2024-12-02 11:02:58,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356598098] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:58,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:58,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:02:58,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575171496] [2024-12-02 11:02:58,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:58,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:02:58,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:58,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:02:58,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:02:58,673 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 367 [2024-12-02 11:02:58,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 367 transitions, 750 flow. Second operand has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 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) [2024-12-02 11:02:58,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:02:58,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 367 [2024-12-02 11:02:58,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:18,973 INFO L124 PetriNetUnfolderBase]: 154600/274063 cut-off events. [2024-12-02 11:03:18,973 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2024-12-02 11:03:19,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498353 conditions, 274063 events. 154600/274063 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 4175. Compared 2798667 event pairs, 128375 based on Foata normal form. 22046/185857 useless extension candidates. Maximal degree in co-relation 485434. Up to 224152 conditions per place. [2024-12-02 11:03:19,972 INFO L140 encePairwiseOnDemand]: 308/367 looper letters, 179 selfloop transitions, 0 changer transitions 0/301 dead transitions. [2024-12-02 11:03:19,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 301 transitions, 976 flow [2024-12-02 11:03:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:03:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-12-02 11:03:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 482 transitions. [2024-12-02 11:03:19,974 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6566757493188011 [2024-12-02 11:03:19,974 INFO L175 Difference]: Start difference. First operand has 305 places, 367 transitions, 750 flow. Second operand 2 states and 482 transitions. [2024-12-02 11:03:19,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 301 transitions, 976 flow [2024-12-02 11:03:19,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 301 transitions, 976 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 11:03:19,982 INFO L231 Difference]: Finished difference. Result has 289 places, 301 transitions, 618 flow [2024-12-02 11:03:19,983 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=618, PETRI_PLACES=289, PETRI_TRANSITIONS=301} [2024-12-02 11:03:19,983 INFO L279 CegarLoopForPetriNet]: 305 programPoint places, -16 predicate places. [2024-12-02 11:03:19,983 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 301 transitions, 618 flow [2024-12-02 11:03:19,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 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) [2024-12-02 11:03:19,984 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:19,984 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 11:03:19,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 11:03:19,984 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 142 more)] === [2024-12-02 11:03:19,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:19,984 INFO L85 PathProgramCache]: Analyzing trace with hash 81573773, now seen corresponding path program 1 times [2024-12-02 11:03:19,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:19,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318661160] [2024-12-02 11:03:19,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:19,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:20,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:20,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318661160] [2024-12-02 11:03:20,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318661160] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:20,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:20,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:03:20,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284342573] [2024-12-02 11:03:20,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:20,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:03:20,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:20,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:03:20,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:03:20,017 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 367 [2024-12-02 11:03:20,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 301 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2024-12-02 11:03:20,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:20,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 367 [2024-12-02 11:03:20,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:40,731 INFO L124 PetriNetUnfolderBase]: 154600/274060 cut-off events. [2024-12-02 11:03:40,731 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2024-12-02 11:03:40,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498350 conditions, 274060 events. 154600/274060 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 4175. Compared 2798524 event pairs, 128375 based on Foata normal form. 1/163809 useless extension candidates. Maximal degree in co-relation 498345. Up to 224133 conditions per place. [2024-12-02 11:03:41,619 INFO L140 encePairwiseOnDemand]: 364/367 looper letters, 176 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-12-02 11:03:41,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 298 transitions, 968 flow [2024-12-02 11:03:41,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:03:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:03:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2024-12-02 11:03:41,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4950045413260672 [2024-12-02 11:03:41,622 INFO L175 Difference]: Start difference. First operand has 289 places, 301 transitions, 618 flow. Second operand 3 states and 545 transitions. [2024-12-02 11:03:41,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 298 transitions, 968 flow [2024-12-02 11:03:41,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 298 transitions, 968 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 11:03:41,626 INFO L231 Difference]: Finished difference. Result has 288 places, 298 transitions, 616 flow [2024-12-02 11:03:41,626 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=288, PETRI_TRANSITIONS=298} [2024-12-02 11:03:41,627 INFO L279 CegarLoopForPetriNet]: 305 programPoint places, -17 predicate places. [2024-12-02 11:03:41,627 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 298 transitions, 616 flow [2024-12-02 11:03:41,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2024-12-02 11:03:41,627 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:41,627 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 11:03:41,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 11:03:41,627 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 142 more)] === [2024-12-02 11:03:41,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:41,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1089410597, now seen corresponding path program 1 times [2024-12-02 11:03:41,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:41,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182981363] [2024-12-02 11:03:41,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:41,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:41,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:41,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182981363] [2024-12-02 11:03:41,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182981363] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:41,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:41,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:03:41,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445579794] [2024-12-02 11:03:41,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:41,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:03:41,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:41,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:03:41,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:03:41,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 367 [2024-12-02 11:03:41,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 298 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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) [2024-12-02 11:03:41,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:41,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 367 [2024-12-02 11:03:41,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:01,245 INFO L124 PetriNetUnfolderBase]: 154600/274058 cut-off events. [2024-12-02 11:04:01,246 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2024-12-02 11:04:01,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498351 conditions, 274058 events. 154600/274058 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 4177. Compared 2798907 event pairs, 128375 based on Foata normal form. 1/163809 useless extension candidates. Maximal degree in co-relation 498345. Up to 224133 conditions per place. [2024-12-02 11:04:02,154 INFO L140 encePairwiseOnDemand]: 363/367 looper letters, 176 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-12-02 11:04:02,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 296 transitions, 968 flow [2024-12-02 11:04:02,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:04:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:04:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2024-12-02 11:04:02,156 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4904632152588556 [2024-12-02 11:04:02,156 INFO L175 Difference]: Start difference. First operand has 288 places, 298 transitions, 616 flow. Second operand 3 states and 540 transitions. [2024-12-02 11:04:02,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 296 transitions, 968 flow [2024-12-02 11:04:02,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 296 transitions, 964 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:04:02,160 INFO L231 Difference]: Finished difference. Result has 286 places, 296 transitions, 612 flow [2024-12-02 11:04:02,160 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=286, PETRI_TRANSITIONS=296} [2024-12-02 11:04:02,160 INFO L279 CegarLoopForPetriNet]: 305 programPoint places, -19 predicate places. [2024-12-02 11:04:02,160 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 296 transitions, 612 flow [2024-12-02 11:04:02,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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) [2024-12-02 11:04:02,161 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:02,161 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 11:04:02,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 11:04:02,161 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 142 more)] === [2024-12-02 11:04:02,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:02,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1089410598, now seen corresponding path program 1 times [2024-12-02 11:04:02,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:04:02,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054237028] [2024-12-02 11:04:02,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:02,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:04:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:02,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:04:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054237028] [2024-12-02 11:04:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054237028] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:02,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:02,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:04:02,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953075464] [2024-12-02 11:04:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:02,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:04:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:04:02,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:04:02,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:04:02,307 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 367 [2024-12-02 11:04:02,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 296 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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) [2024-12-02 11:04:02,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:02,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 367 [2024-12-02 11:04:02,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:22,191 INFO L124 PetriNetUnfolderBase]: 154600/274056 cut-off events. [2024-12-02 11:04:22,191 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2024-12-02 11:04:22,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498349 conditions, 274056 events. 154600/274056 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 4177. Compared 2798800 event pairs, 128375 based on Foata normal form. 1/163808 useless extension candidates. Maximal degree in co-relation 498343. Up to 224133 conditions per place. [2024-12-02 11:04:23,121 INFO L140 encePairwiseOnDemand]: 363/367 looper letters, 176 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-12-02 11:04:23,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 294 transitions, 964 flow [2024-12-02 11:04:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:04:23,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:04:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2024-12-02 11:04:23,123 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4904632152588556 [2024-12-02 11:04:23,123 INFO L175 Difference]: Start difference. First operand has 286 places, 296 transitions, 612 flow. Second operand 3 states and 540 transitions. [2024-12-02 11:04:23,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 294 transitions, 964 flow [2024-12-02 11:04:23,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 294 transitions, 960 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:04:23,130 INFO L231 Difference]: Finished difference. Result has 284 places, 294 transitions, 608 flow [2024-12-02 11:04:23,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=284, PETRI_TRANSITIONS=294} [2024-12-02 11:04:23,131 INFO L279 CegarLoopForPetriNet]: 305 programPoint places, -21 predicate places. [2024-12-02 11:04:23,131 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 294 transitions, 608 flow [2024-12-02 11:04:23,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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) [2024-12-02 11:04:23,131 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:23,131 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 11:04:23,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 11:04:23,131 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 142 more)] === [2024-12-02 11:04:23,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:23,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1089408433, now seen corresponding path program 1 times [2024-12-02 11:04:23,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:04:23,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407879340] [2024-12-02 11:04:23,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:23,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:04:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:23,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:04:23,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407879340] [2024-12-02 11:04:23,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407879340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:23,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:23,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:04:23,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748626163] [2024-12-02 11:04:23,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:23,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:04:23,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:04:23,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:04:23,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:04:23,164 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 367 [2024-12-02 11:04:23,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 294 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2024-12-02 11:04:23,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:23,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 367 [2024-12-02 11:04:23,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:42,284 INFO L124 PetriNetUnfolderBase]: 154600/274053 cut-off events. [2024-12-02 11:04:42,284 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2024-12-02 11:04:42,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498345 conditions, 274053 events. 154600/274053 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 4183. Compared 2799925 event pairs, 128375 based on Foata normal form. 1/163805 useless extension candidates. Maximal degree in co-relation 498339. Up to 224133 conditions per place. [2024-12-02 11:04:43,189 INFO L140 encePairwiseOnDemand]: 364/367 looper letters, 175 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-12-02 11:04:43,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 291 transitions, 956 flow [2024-12-02 11:04:43,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:04:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:04:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2024-12-02 11:04:43,190 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4940962761126249 [2024-12-02 11:04:43,191 INFO L175 Difference]: Start difference. First operand has 284 places, 294 transitions, 608 flow. Second operand 3 states and 544 transitions. [2024-12-02 11:04:43,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 291 transitions, 956 flow [2024-12-02 11:04:43,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 291 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:04:43,194 INFO L231 Difference]: Finished difference. Result has 281 places, 291 transitions, 602 flow [2024-12-02 11:04:43,195 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=281, PETRI_TRANSITIONS=291} [2024-12-02 11:04:43,195 INFO L279 CegarLoopForPetriNet]: 305 programPoint places, -24 predicate places. [2024-12-02 11:04:43,195 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 291 transitions, 602 flow [2024-12-02 11:04:43,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2024-12-02 11:04:43,195 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:43,196 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:43,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 11:04:43,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 142 more)] === [2024-12-02 11:04:43,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:43,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1048350913, now seen corresponding path program 1 times [2024-12-02 11:04:43,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:04:43,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570336658] [2024-12-02 11:04:43,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:43,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:04:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:43,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:04:43,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570336658] [2024-12-02 11:04:43,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570336658] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:43,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:43,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:04:43,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475736437] [2024-12-02 11:04:43,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:43,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:04:43,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:04:43,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:04:43,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:04:43,378 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 367 [2024-12-02 11:04:43,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 291 transitions, 602 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 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) [2024-12-02 11:04:43,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:43,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 367 [2024-12-02 11:04:43,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand