./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.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_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/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_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/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_0a995b00-c558-432c-9d38-b6f7ae1aa841/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 d32fe1c21688ba35bf4df709c44c653627e880728901b145cb85c74d8074e0d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:38:21,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:38:21,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 15:38:21,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:38:21,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:38:21,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:38:21,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:38:21,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:38:21,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:38:21,683 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:38:21,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:38:21,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:38:21,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:38:21,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 15:38:21,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:38:21,685 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:38:21,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:38:21,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:38:21,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:38:21,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:38:21,686 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_0a995b00-c558-432c-9d38-b6f7ae1aa841/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 -> d32fe1c21688ba35bf4df709c44c653627e880728901b145cb85c74d8074e0d5 [2024-12-02 15:38:21,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:38:21,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:38:21,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:38:21,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:38:21,925 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:38:21,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i [2024-12-02 15:38:24,551 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/data/482138a6e/7ced99912d6947f1af6ca8fea5f88a15/FLAG1c7c98223 [2024-12-02 15:38:24,917 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:38:24,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i [2024-12-02 15:38:24,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/data/482138a6e/7ced99912d6947f1af6ca8fea5f88a15/FLAG1c7c98223 [2024-12-02 15:38:25,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/data/482138a6e/7ced99912d6947f1af6ca8fea5f88a15 [2024-12-02 15:38:25,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:38:25,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:38:25,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:38:25,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:38:25,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:38:25,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:25" (1/1) ... [2024-12-02 15:38:25,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e3c1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:25, skipping insertion in model container [2024-12-02 15:38:25,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:25" (1/1) ... [2024-12-02 15:38:25,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:38:27,259 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 15:38:27,265 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 15:38:27,265 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 15:38:27,271 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 15:38:27,271 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 15:38:27,417 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 15:38:27,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:38:27,439 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:38:27,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-12-02 15:38:27,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-12-02 15:38:27,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-12-02 15:38:27,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-12-02 15:38:27,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-12-02 15:38:27,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-12-02 15:38:27,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-12-02 15:38:27,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-12-02 15:38:27,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-12-02 15:38:27,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-12-02 15:38:27,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-12-02 15:38:27,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-12-02 15:38:27,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-12-02 15:38:27,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-12-02 15:38:27,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-12-02 15:38:27,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-12-02 15:38:27,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-12-02 15:38:27,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-12-02 15:38:27,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-12-02 15:38:27,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-12-02 15:38:27,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-12-02 15:38:27,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-12-02 15:38:27,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-12-02 15:38:27,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-12-02 15:38:27,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-12-02 15:38:27,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-12-02 15:38:27,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-12-02 15:38:27,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-12-02 15:38:27,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-12-02 15:38:27,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-12-02 15:38:27,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-12-02 15:38:27,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-12-02 15:38:27,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-12-02 15:38:27,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-12-02 15:38:27,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-12-02 15:38:27,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-12-02 15:38:27,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-12-02 15:38:27,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-12-02 15:38:27,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-12-02 15:38:27,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-12-02 15:38:27,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-12-02 15:38:27,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-12-02 15:38:27,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-12-02 15:38:27,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-12-02 15:38:27,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-12-02 15:38:27,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-12-02 15:38:27,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-12-02 15:38:27,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-12-02 15:38:27,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-12-02 15:38:27,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-12-02 15:38:27,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-12-02 15:38:27,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-12-02 15:38:27,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-12-02 15:38:27,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-12-02 15:38:27,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-12-02 15:38:27,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-12-02 15:38:27,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-12-02 15:38:27,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-12-02 15:38:27,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-12-02 15:38:27,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-12-02 15:38:27,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-12-02 15:38:27,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-12-02 15:38:27,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-12-02 15:38:27,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-12-02 15:38:27,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-12-02 15:38:27,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-12-02 15:38:27,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-12-02 15:38:27,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-12-02 15:38:27,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-12-02 15:38:27,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-12-02 15:38:27,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-12-02 15:38:27,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-12-02 15:38:27,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-12-02 15:38:27,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-12-02 15:38:27,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-12-02 15:38:27,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-12-02 15:38:27,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-12-02 15:38:27,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-12-02 15:38:27,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-12-02 15:38:27,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-12-02 15:38:27,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-12-02 15:38:27,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-12-02 15:38:27,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-12-02 15:38:27,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-12-02 15:38:27,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-12-02 15:38:27,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-12-02 15:38:27,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-12-02 15:38:27,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-12-02 15:38:27,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-12-02 15:38:27,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-12-02 15:38:27,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-12-02 15:38:27,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-12-02 15:38:27,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-12-02 15:38:27,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-12-02 15:38:27,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-12-02 15:38:27,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-12-02 15:38:27,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-12-02 15:38:27,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-12-02 15:38:27,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-12-02 15:38:27,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-12-02 15:38:27,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:38:27,910 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:38:27,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27 WrapperNode [2024-12-02 15:38:27,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:38:27,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:38:27,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:38:27,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:38:27,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:27,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,024 INFO L138 Inliner]: procedures = 915, calls = 983, calls flagged for inlining = 827, calls inlined = 71, statements flattened = 763 [2024-12-02 15:38:28,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:38:28,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:38:28,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:38:28,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:38:28,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,073 INFO L175 MemorySlicer]: Split 74 memory accesses to 8 slices as follows [2, 3, 8, 3, 7, 7, 41, 3]. 55 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 1, 4, 0, 4, 4, 7, 1]. The 21 writes are split as follows [0, 1, 2, 2, 1, 1, 13, 1]. [2024-12-02 15:38:28,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,101 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:38:28,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:38:28,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:38:28,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:38:28,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (1/1) ... [2024-12-02 15:38:28,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:38:28,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:38:28,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:38:28,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a995b00-c558-432c-9d38-b6f7ae1aa841/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:38:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-12-02 15:38:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-12-02 15:38:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:38:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:38:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:38:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:38:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-12-02 15:38:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 15:38:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:38:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:38:28,195 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 15:38:28,402 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:38:28,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:38:29,452 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 15:38:29,453 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:38:29,996 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:38:29,996 INFO L312 CfgBuilder]: Removed 39 assume(true) statements. [2024-12-02 15:38:29,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:29 BoogieIcfgContainer [2024-12-02 15:38:29,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:38:29,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:38:29,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:38:30,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:38:30,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:38:25" (1/3) ... [2024-12-02 15:38:30,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cfe33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:30, skipping insertion in model container [2024-12-02 15:38:30,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:27" (2/3) ... [2024-12-02 15:38:30,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cfe33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:30, skipping insertion in model container [2024-12-02 15:38:30,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:29" (3/3) ... [2024-12-02 15:38:30,005 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_empty.i [2024-12-02 15:38:30,021 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:38:30,023 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_mpmc_check_empty.i that has 3 procedures, 303 locations, 1 initial locations, 39 loop locations, and 110 error locations. [2024-12-02 15:38:30,023 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 15:38:30,196 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 15:38:30,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 309 places, 391 transitions, 796 flow [2024-12-02 15:38:30,502 INFO L124 PetriNetUnfolderBase]: 241/1001 cut-off events. [2024-12-02 15:38:30,504 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-12-02 15:38:30,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 1001 events. 241/1001 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6102 event pairs, 0 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 503. Up to 12 conditions per place. [2024-12-02 15:38:30,528 INFO L82 GeneralOperation]: Start removeDead. Operand has 309 places, 391 transitions, 796 flow [2024-12-02 15:38:30,556 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 309 places, 391 transitions, 796 flow [2024-12-02 15:38:30,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:38:30,575 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;@4257c513, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:38:30,575 INFO L334 AbstractCegarLoop]: Starting to check reachability of 168 error locations. [2024-12-02 15:38:30,580 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 15:38:30,580 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-12-02 15:38:30,580 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 15:38:30,581 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 15:38:30,581 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 15:38:30,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2024-12-02 15:38:30,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:30,587 INFO L85 PathProgramCache]: Analyzing trace with hash 81841932, now seen corresponding path program 1 times [2024-12-02 15:38:30,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:38:30,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827045512] [2024-12-02 15:38:30,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:30,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:30,748 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 15:38:30,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:38:30,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827045512] [2024-12-02 15:38:30,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827045512] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:38:30,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:38:30,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:38:30,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685474860] [2024-12-02 15:38:30,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:38:30,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:38:30,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:38:30,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:38:30,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:38:30,783 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 391 [2024-12-02 15:38:30,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 391 transitions, 796 flow. Second operand has 2 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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 15:38:30,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 15:38:30,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 391 [2024-12-02 15:38:30,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 15:38:57,492 INFO L124 PetriNetUnfolderBase]: 193976/351881 cut-off events. [2024-12-02 15:38:57,492 INFO L125 PetriNetUnfolderBase]: For 226/228 co-relation queries the response was YES. [2024-12-02 15:38:57,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 631321 conditions, 351881 events. 193976/351881 cut-off events. For 226/228 co-relation queries the response was YES. Maximal size of possible extension queue 6037. Compared 3872775 event pairs, 161816 based on Foata normal form. 64830/291878 useless extension candidates. Maximal degree in co-relation 614869. Up to 279297 conditions per place. [2024-12-02 15:38:59,021 INFO L140 encePairwiseOnDemand]: 315/391 looper letters, 177 selfloop transitions, 0 changer transitions 0/308 dead transitions. [2024-12-02 15:38:59,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 308 transitions, 984 flow [2024-12-02 15:38:59,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:38:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-12-02 15:38:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 515 transitions. [2024-12-02 15:38:59,033 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6585677749360613 [2024-12-02 15:38:59,034 INFO L175 Difference]: Start difference. First operand has 309 places, 391 transitions, 796 flow. Second operand 2 states and 515 transitions. [2024-12-02 15:38:59,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 308 transitions, 984 flow [2024-12-02 15:38:59,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 308 transitions, 984 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 15:38:59,046 INFO L231 Difference]: Finished difference. Result has 295 places, 308 transitions, 630 flow [2024-12-02 15:38:59,049 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=630, PETRI_PLACES=295, PETRI_TRANSITIONS=308} [2024-12-02 15:38:59,053 INFO L279 CegarLoopForPetriNet]: 309 programPoint places, -14 predicate places. [2024-12-02 15:38:59,053 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 308 transitions, 630 flow [2024-12-02 15:38:59,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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 15:38:59,053 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 15:38:59,053 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 15:38:59,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:38:59,054 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2024-12-02 15:38:59,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:59,054 INFO L85 PathProgramCache]: Analyzing trace with hash 81834885, now seen corresponding path program 1 times [2024-12-02 15:38:59,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:38:59,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440528026] [2024-12-02 15:38:59,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:59,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:59,156 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 15:38:59,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:38:59,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440528026] [2024-12-02 15:38:59,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440528026] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:38:59,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:38:59,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:38:59,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377769286] [2024-12-02 15:38:59,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:38:59,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:38:59,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:38:59,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:38:59,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:38:59,166 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 391 [2024-12-02 15:38:59,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 308 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 15:38:59,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 15:38:59,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 391 [2024-12-02 15:38:59,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 15:39:24,452 INFO L124 PetriNetUnfolderBase]: 193976/351878 cut-off events. [2024-12-02 15:39:24,452 INFO L125 PetriNetUnfolderBase]: For 224/226 co-relation queries the response was YES. [2024-12-02 15:39:24,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 631318 conditions, 351878 events. 193976/351878 cut-off events. For 224/226 co-relation queries the response was YES. Maximal size of possible extension queue 6037. Compared 3872743 event pairs, 161816 based on Foata normal form. 1/227046 useless extension candidates. Maximal degree in co-relation 631313. Up to 279278 conditions per place. [2024-12-02 15:39:25,960 INFO L140 encePairwiseOnDemand]: 388/391 looper letters, 174 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-12-02 15:39:25,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 305 transitions, 976 flow [2024-12-02 15:39:25,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:39:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 15:39:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2024-12-02 15:39:25,965 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4859335038363171 [2024-12-02 15:39:25,965 INFO L175 Difference]: Start difference. First operand has 295 places, 308 transitions, 630 flow. Second operand 3 states and 570 transitions. [2024-12-02 15:39:25,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 305 transitions, 976 flow [2024-12-02 15:39:25,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 305 transitions, 976 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 15:39:25,976 INFO L231 Difference]: Finished difference. Result has 294 places, 305 transitions, 628 flow [2024-12-02 15:39:25,976 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=294, PETRI_TRANSITIONS=305} [2024-12-02 15:39:25,977 INFO L279 CegarLoopForPetriNet]: 309 programPoint places, -15 predicate places. [2024-12-02 15:39:25,977 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 305 transitions, 628 flow [2024-12-02 15:39:25,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 15:39:25,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 15:39:25,977 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 15:39:25,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:39:25,977 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2024-12-02 15:39:25,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:39:25,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1342858310, now seen corresponding path program 1 times [2024-12-02 15:39:25,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:39:25,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557486947] [2024-12-02 15:39:25,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:39:25,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:39:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:39:26,097 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 15:39:26,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:39:26,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557486947] [2024-12-02 15:39:26,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557486947] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:39:26,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:39:26,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 15:39:26,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816136741] [2024-12-02 15:39:26,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:39:26,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:39:26,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:39:26,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:39:26,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:39:26,190 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 391 [2024-12-02 15:39:26,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 305 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:39:26,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 15:39:26,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 391 [2024-12-02 15:39:26,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 15:39:50,663 INFO L124 PetriNetUnfolderBase]: 193976/351876 cut-off events. [2024-12-02 15:39:50,663 INFO L125 PetriNetUnfolderBase]: For 224/226 co-relation queries the response was YES. [2024-12-02 15:39:51,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 631319 conditions, 351876 events. 193976/351876 cut-off events. For 224/226 co-relation queries the response was YES. Maximal size of possible extension queue 6037. Compared 3873329 event pairs, 161816 based on Foata normal form. 1/227046 useless extension candidates. Maximal degree in co-relation 631313. Up to 279278 conditions per place. [2024-12-02 15:39:52,175 INFO L140 encePairwiseOnDemand]: 387/391 looper letters, 174 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-12-02 15:39:52,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 303 transitions, 976 flow [2024-12-02 15:39:52,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:39:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 15:39:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2024-12-02 15:39:52,177 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4816709292412617 [2024-12-02 15:39:52,177 INFO L175 Difference]: Start difference. First operand has 294 places, 305 transitions, 628 flow. Second operand 3 states and 565 transitions. [2024-12-02 15:39:52,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 303 transitions, 976 flow [2024-12-02 15:39:52,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 303 transitions, 972 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 15:39:52,183 INFO L231 Difference]: Finished difference. Result has 292 places, 303 transitions, 624 flow [2024-12-02 15:39:52,183 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=292, PETRI_TRANSITIONS=303} [2024-12-02 15:39:52,184 INFO L279 CegarLoopForPetriNet]: 309 programPoint places, -17 predicate places. [2024-12-02 15:39:52,184 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 303 transitions, 624 flow [2024-12-02 15:39:52,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:39:52,184 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 15:39:52,185 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 15:39:52,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:39:52,185 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2024-12-02 15:39:52,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:39:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1342858311, now seen corresponding path program 1 times [2024-12-02 15:39:52,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:39:52,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108297576] [2024-12-02 15:39:52,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:39:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:39:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:39:52,338 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 15:39:52,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:39:52,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108297576] [2024-12-02 15:39:52,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108297576] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:39:52,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:39:52,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 15:39:52,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123001883] [2024-12-02 15:39:52,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:39:52,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:39:52,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:39:52,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:39:52,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:39:52,444 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 391 [2024-12-02 15:39:52,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 303 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:39:52,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 15:39:52,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 391 [2024-12-02 15:39:52,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 15:40:16,683 INFO L124 PetriNetUnfolderBase]: 193976/351874 cut-off events. [2024-12-02 15:40:16,683 INFO L125 PetriNetUnfolderBase]: For 224/226 co-relation queries the response was YES. [2024-12-02 15:40:17,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 631317 conditions, 351874 events. 193976/351874 cut-off events. For 224/226 co-relation queries the response was YES. Maximal size of possible extension queue 6080. Compared 3875980 event pairs, 161816 based on Foata normal form. 1/227045 useless extension candidates. Maximal degree in co-relation 631311. Up to 279278 conditions per place. [2024-12-02 15:40:18,092 INFO L140 encePairwiseOnDemand]: 387/391 looper letters, 174 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2024-12-02 15:40:18,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 301 transitions, 972 flow [2024-12-02 15:40:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:40:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 15:40:18,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2024-12-02 15:40:18,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4816709292412617 [2024-12-02 15:40:18,095 INFO L175 Difference]: Start difference. First operand has 292 places, 303 transitions, 624 flow. Second operand 3 states and 565 transitions. [2024-12-02 15:40:18,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 301 transitions, 972 flow [2024-12-02 15:40:18,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 301 transitions, 968 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 15:40:18,102 INFO L231 Difference]: Finished difference. Result has 290 places, 301 transitions, 620 flow [2024-12-02 15:40:18,102 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=290, PETRI_TRANSITIONS=301} [2024-12-02 15:40:18,103 INFO L279 CegarLoopForPetriNet]: 309 programPoint places, -19 predicate places. [2024-12-02 15:40:18,103 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 301 transitions, 620 flow [2024-12-02 15:40:18,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:40:18,104 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 15:40:18,104 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 15:40:18,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:40:18,104 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2024-12-02 15:40:18,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:40:18,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1342856034, now seen corresponding path program 1 times [2024-12-02 15:40:18,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:40:18,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934319813] [2024-12-02 15:40:18,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:40:18,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:40:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:40:18,156 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 15:40:18,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:40:18,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934319813] [2024-12-02 15:40:18,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934319813] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:40:18,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:40:18,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:40:18,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416341152] [2024-12-02 15:40:18,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:40:18,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:40:18,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:40:18,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:40:18,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:40:18,159 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 391 [2024-12-02 15:40:18,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 301 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 15:40:18,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 15:40:18,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 391 [2024-12-02 15:40:18,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand