./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:02:51,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:02:51,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-08 19:02:51,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:02:51,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:02:51,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:02:51,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:02:51,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:02:51,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:02:51,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:02:51,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:02:51,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:02:51,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:02:51,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:02:51,941 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:02:51,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:02:51,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:02:51,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:02:51,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:02:51,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:02:51,945 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:02:51,946 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:02:51,950 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 19:02:51,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:02:51,951 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:02:51,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:02:51,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:02:51,952 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:02:51,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:02:51,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:02:51,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:02:51,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:02:51,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:02:51,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:02:51,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:02:51,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:02:51,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:02:51,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:02:51,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:02:51,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:02:51,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:02:51,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:02:51,958 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe [2024-11-08 19:02:52,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:02:52,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:02:52,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:02:52,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:02:52,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:02:52,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i Unable to find full path for "g++" [2024-11-08 19:02:54,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:02:55,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:02:55,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-08 19:02:55,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/data/796b3b703/7a75600e96c94efe9adc22e49fe95dfb/FLAG90cb17490 [2024-11-08 19:02:55,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/data/796b3b703/7a75600e96c94efe9adc22e49fe95dfb [2024-11-08 19:02:55,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:02:55,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:02:55,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:02:55,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:02:55,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:02:55,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:02:55" (1/1) ... [2024-11-08 19:02:55,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0e5909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:55, skipping insertion in model container [2024-11-08 19:02:55,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:02:55" (1/1) ... [2024-11-08 19:02:55,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:02:59,051 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:02:59,059 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:02:59,060 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:02:59,067 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:02:59,067 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:02:59,339 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:02:59,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:02:59,361 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:02:59,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-08 19:02:59,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-08 19:02:59,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-08 19:02:59,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-08 19:02:59,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-08 19:02:59,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-08 19:02:59,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-08 19:02:59,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-08 19:02:59,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-08 19:02:59,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-08 19:02:59,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-08 19:02:59,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-08 19:02:59,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-08 19:02:59,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-08 19:02:59,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-08 19:02:59,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-08 19:02:59,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-08 19:02:59,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-08 19:02:59,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-08 19:02:59,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-08 19:02:59,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-08 19:02:59,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-08 19:02:59,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-08 19:02:59,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-08 19:02:59,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-08 19:02:59,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-08 19:02:59,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-08 19:02:59,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-08 19:02:59,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-08 19:02:59,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-08 19:02:59,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-08 19:02:59,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-08 19:02:59,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-08 19:02:59,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-08 19:02:59,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-08 19:02:59,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-08 19:02:59,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-08 19:02:59,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-08 19:02:59,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-08 19:02:59,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-08 19:02:59,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-08 19:02:59,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-08 19:02:59,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-08 19:02:59,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-08 19:02:59,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-08 19:02:59,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-08 19:02:59,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-08 19:02:59,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-08 19:02:59,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-08 19:02:59,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-08 19:02:59,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-08 19:02:59,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-08 19:02:59,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-08 19:02:59,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-08 19:02:59,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-08 19:02:59,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-08 19:02:59,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-08 19:02:59,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-08 19:02:59,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-08 19:02:59,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-08 19:02:59,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-08 19:02:59,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-08 19:02:59,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-08 19:02:59,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-08 19:02:59,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-08 19:02:59,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-08 19:02:59,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-08 19:02:59,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-08 19:02:59,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-08 19:02:59,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-08 19:02:59,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-08 19:02:59,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-08 19:02:59,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-08 19:02:59,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-08 19:02:59,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-08 19:02:59,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-08 19:02:59,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-08 19:02:59,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-08 19:02:59,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-08 19:02:59,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-08 19:02:59,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-08 19:02:59,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-08 19:02:59,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-08 19:02:59,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-08 19:02:59,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-08 19:02:59,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-08 19:02:59,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-08 19:02:59,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-08 19:02:59,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-08 19:02:59,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-08 19:02:59,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-08 19:02:59,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-08 19:02:59,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-08 19:02:59,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-08 19:02:59,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-08 19:02:59,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-08 19:02:59,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-08 19:02:59,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-08 19:02:59,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-08 19:02:59,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-08 19:02:59,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:03:00,210 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:03:00,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00 WrapperNode [2024-11-08 19:03:00,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:03:00,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:03:00,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:03:00,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:03:00,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,405 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 655 [2024-11-08 19:03:00,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:03:00,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:03:00,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:03:00,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:03:00,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,484 INFO L175 MemorySlicer]: Split 65 memory accesses to 5 slices as follows [2, 9, 8, 44, 2]. 68 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 4, 6, 0]. The 20 writes are split as follows [0, 2, 3, 14, 1]. [2024-11-08 19:03:00,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:03:00,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:03:00,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:03:00,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:03:00,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (1/1) ... [2024-11-08 19:03:00,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:03:00,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:03:00,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:03:00,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b36cad-28ff-410a-839d-f1a87af76257/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:03:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:03:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:03:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:03:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:03:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 19:03:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:03:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 19:03:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 19:03:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 19:03:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 19:03:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 19:03:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:03:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:03:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:03:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 19:03:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 19:03:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 19:03:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 19:03:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 19:03:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:03:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:03:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:03:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:03:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 19:03:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:03:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-08 19:03:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-08 19:03:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 19:03:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 19:03:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 19:03:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 19:03:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 19:03:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:03:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:03:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:03:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:03:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 19:03:00,647 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:03:00,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:03:00,989 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:03:02,431 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:03:02,432 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:03:03,190 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:03:03,192 INFO L316 CfgBuilder]: Removed 38 assume(true) statements. [2024-11-08 19:03:03,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:03:03 BoogieIcfgContainer [2024-11-08 19:03:03,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:03:03,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:03:03,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:03:03,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:03:03,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:02:55" (1/3) ... [2024-11-08 19:03:03,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec69804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:03:03, skipping insertion in model container [2024-11-08 19:03:03,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:00" (2/3) ... [2024-11-08 19:03:03,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec69804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:03:03, skipping insertion in model container [2024-11-08 19:03:03,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:03:03" (3/3) ... [2024-11-08 19:03:03,205 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-11-08 19:03:03,226 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:03:03,226 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2024-11-08 19:03:03,227 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:03:03,417 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 19:03:03,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 267 places, 328 transitions, 663 flow [2024-11-08 19:03:03,679 INFO L124 PetriNetUnfolderBase]: 113/559 cut-off events. [2024-11-08 19:03:03,680 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:03:03,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 559 events. 113/559 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2552 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 281. Up to 6 conditions per place. [2024-11-08 19:03:03,696 INFO L82 GeneralOperation]: Start removeDead. Operand has 267 places, 328 transitions, 663 flow [2024-11-08 19:03:03,712 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 267 places, 328 transitions, 663 flow [2024-11-08 19:03:03,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:03:03,735 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;@7bfb05a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:03:03,736 INFO L334 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2024-11-08 19:03:03,740 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:03:03,740 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-11-08 19:03:03,740 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:03:03,741 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:03,741 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-08 19:03:03,742 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)] === [2024-11-08 19:03:03,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:03,747 INFO L85 PathProgramCache]: Analyzing trace with hash 69297063, now seen corresponding path program 1 times [2024-11-08 19:03:03,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:03,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266371666] [2024-11-08 19:03:03,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:03,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:03,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:03,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266371666] [2024-11-08 19:03:03,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266371666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:03,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:03,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:03,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202023520] [2024-11-08 19:03:03,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:03,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:03:03,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:04,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:03:04,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:03:04,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 328 [2024-11-08 19:03:04,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 328 transitions, 663 flow. Second operand has 2 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:04,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:04,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 328 [2024-11-08 19:03:04,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:05,876 INFO L124 PetriNetUnfolderBase]: 2873/7252 cut-off events. [2024-11-08 19:03:05,876 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:03:05,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12622 conditions, 7252 events. 2873/7252 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 57066 event pairs, 2280 based on Foata normal form. 792/5335 useless extension candidates. Maximal degree in co-relation 12280. Up to 5365 conditions per place. [2024-11-08 19:03:05,924 INFO L140 encePairwiseOnDemand]: 272/328 looper letters, 148 selfloop transitions, 0 changer transitions 0/265 dead transitions. [2024-11-08 19:03:05,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 265 transitions, 833 flow [2024-11-08 19:03:05,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:03:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-08 19:03:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 438 transitions. [2024-11-08 19:03:05,942 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6676829268292683 [2024-11-08 19:03:05,944 INFO L175 Difference]: Start difference. First operand has 267 places, 328 transitions, 663 flow. Second operand 2 states and 438 transitions. [2024-11-08 19:03:05,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 265 transitions, 833 flow [2024-11-08 19:03:05,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 265 transitions, 833 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:03:05,956 INFO L231 Difference]: Finished difference. Result has 253 places, 265 transitions, 537 flow [2024-11-08 19:03:05,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=537, PETRI_PLACES=253, PETRI_TRANSITIONS=265} [2024-11-08 19:03:05,963 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -14 predicate places. [2024-11-08 19:03:05,964 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 265 transitions, 537 flow [2024-11-08 19:03:05,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:05,964 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:05,964 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-08 19:03:05,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:03:05,965 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)] === [2024-11-08 19:03:05,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:05,966 INFO L85 PathProgramCache]: Analyzing trace with hash 69291596, now seen corresponding path program 1 times [2024-11-08 19:03:05,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:05,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293511324] [2024-11-08 19:03:05,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:05,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:06,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:06,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293511324] [2024-11-08 19:03:06,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293511324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:06,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:06,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:06,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967230385] [2024-11-08 19:03:06,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:06,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:03:06,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:06,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:03:06,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:03:06,177 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 328 [2024-11-08 19:03:06,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 265 transitions, 537 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:06,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:06,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 328 [2024-11-08 19:03:06,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:08,102 INFO L124 PetriNetUnfolderBase]: 2873/7249 cut-off events. [2024-11-08 19:03:08,103 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:03:08,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12619 conditions, 7249 events. 2873/7249 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 57023 event pairs, 2280 based on Foata normal form. 1/4541 useless extension candidates. Maximal degree in co-relation 12615. Up to 5346 conditions per place. [2024-11-08 19:03:08,172 INFO L140 encePairwiseOnDemand]: 325/328 looper letters, 145 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2024-11-08 19:03:08,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 262 transitions, 825 flow [2024-11-08 19:03:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:03:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:03:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2024-11-08 19:03:08,181 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5071138211382114 [2024-11-08 19:03:08,182 INFO L175 Difference]: Start difference. First operand has 253 places, 265 transitions, 537 flow. Second operand 3 states and 499 transitions. [2024-11-08 19:03:08,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 262 transitions, 825 flow [2024-11-08 19:03:08,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 262 transitions, 825 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:03:08,193 INFO L231 Difference]: Finished difference. Result has 252 places, 262 transitions, 535 flow [2024-11-08 19:03:08,194 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=535, PETRI_PLACES=252, PETRI_TRANSITIONS=262} [2024-11-08 19:03:08,195 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -15 predicate places. [2024-11-08 19:03:08,196 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 262 transitions, 535 flow [2024-11-08 19:03:08,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:08,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:08,197 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 19:03:08,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:03:08,197 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)] === [2024-11-08 19:03:08,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:08,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2123563951, now seen corresponding path program 1 times [2024-11-08 19:03:08,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:08,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205128649] [2024-11-08 19:03:08,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:08,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:08,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:08,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205128649] [2024-11-08 19:03:08,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205128649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:08,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:08,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 19:03:08,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574115329] [2024-11-08 19:03:08,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:08,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:03:08,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:08,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:03:08,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:03:08,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 328 [2024-11-08 19:03:08,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 262 transitions, 535 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:08,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:08,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 328 [2024-11-08 19:03:08,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:10,239 INFO L124 PetriNetUnfolderBase]: 2873/7247 cut-off events. [2024-11-08 19:03:10,240 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:03:10,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12620 conditions, 7247 events. 2873/7247 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 57079 event pairs, 2280 based on Foata normal form. 1/4541 useless extension candidates. Maximal degree in co-relation 12615. Up to 5346 conditions per place. [2024-11-08 19:03:10,283 INFO L140 encePairwiseOnDemand]: 324/328 looper letters, 145 selfloop transitions, 2 changer transitions 0/260 dead transitions. [2024-11-08 19:03:10,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 260 transitions, 825 flow [2024-11-08 19:03:10,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:03:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:03:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2024-11-08 19:03:10,286 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5020325203252033 [2024-11-08 19:03:10,286 INFO L175 Difference]: Start difference. First operand has 252 places, 262 transitions, 535 flow. Second operand 3 states and 494 transitions. [2024-11-08 19:03:10,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 260 transitions, 825 flow [2024-11-08 19:03:10,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 260 transitions, 821 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:03:10,295 INFO L231 Difference]: Finished difference. Result has 250 places, 260 transitions, 531 flow [2024-11-08 19:03:10,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=531, PETRI_PLACES=250, PETRI_TRANSITIONS=260} [2024-11-08 19:03:10,297 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -17 predicate places. [2024-11-08 19:03:10,297 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 260 transitions, 531 flow [2024-11-08 19:03:10,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:10,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:10,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 19:03:10,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:03:10,299 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)] === [2024-11-08 19:03:10,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:10,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2123563950, now seen corresponding path program 1 times [2024-11-08 19:03:10,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:10,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266905075] [2024-11-08 19:03:10,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:10,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:10,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:10,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266905075] [2024-11-08 19:03:10,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266905075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:10,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:10,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 19:03:10,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605609356] [2024-11-08 19:03:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:10,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:03:10,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:10,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:03:10,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:03:10,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 328 [2024-11-08 19:03:10,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 260 transitions, 531 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:10,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:10,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 328 [2024-11-08 19:03:10,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:12,217 INFO L124 PetriNetUnfolderBase]: 2873/7245 cut-off events. [2024-11-08 19:03:12,218 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:03:12,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12618 conditions, 7245 events. 2873/7245 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 56975 event pairs, 2280 based on Foata normal form. 1/4540 useless extension candidates. Maximal degree in co-relation 12613. Up to 5346 conditions per place. [2024-11-08 19:03:12,276 INFO L140 encePairwiseOnDemand]: 324/328 looper letters, 145 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2024-11-08 19:03:12,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 258 transitions, 821 flow [2024-11-08 19:03:12,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:03:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:03:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2024-11-08 19:03:12,280 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5020325203252033 [2024-11-08 19:03:12,280 INFO L175 Difference]: Start difference. First operand has 250 places, 260 transitions, 531 flow. Second operand 3 states and 494 transitions. [2024-11-08 19:03:12,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 258 transitions, 821 flow [2024-11-08 19:03:12,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 258 transitions, 817 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:03:12,288 INFO L231 Difference]: Finished difference. Result has 248 places, 258 transitions, 527 flow [2024-11-08 19:03:12,288 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=248, PETRI_TRANSITIONS=258} [2024-11-08 19:03:12,289 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -19 predicate places. [2024-11-08 19:03:12,290 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 258 transitions, 527 flow [2024-11-08 19:03:12,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:12,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:12,291 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 19:03:12,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:03:12,291 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)] === [2024-11-08 19:03:12,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:12,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2123566353, now seen corresponding path program 1 times [2024-11-08 19:03:12,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:12,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082538472] [2024-11-08 19:03:12,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:12,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:12,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:12,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082538472] [2024-11-08 19:03:12,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082538472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:12,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:12,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:12,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83100601] [2024-11-08 19:03:12,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:12,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:03:12,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:12,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:03:12,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:03:12,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 328 [2024-11-08 19:03:12,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 258 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:12,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:12,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 328 [2024-11-08 19:03:12,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:13,659 INFO L124 PetriNetUnfolderBase]: 2873/7242 cut-off events. [2024-11-08 19:03:13,659 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:03:13,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12614 conditions, 7242 events. 2873/7242 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 56907 event pairs, 2280 based on Foata normal form. 1/4537 useless extension candidates. Maximal degree in co-relation 12609. Up to 5346 conditions per place. [2024-11-08 19:03:13,708 INFO L140 encePairwiseOnDemand]: 325/328 looper letters, 144 selfloop transitions, 2 changer transitions 0/255 dead transitions. [2024-11-08 19:03:13,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 255 transitions, 813 flow [2024-11-08 19:03:13,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:03:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:03:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-11-08 19:03:13,711 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5060975609756098 [2024-11-08 19:03:13,712 INFO L175 Difference]: Start difference. First operand has 248 places, 258 transitions, 527 flow. Second operand 3 states and 498 transitions. [2024-11-08 19:03:13,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 255 transitions, 813 flow [2024-11-08 19:03:13,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 255 transitions, 809 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:03:13,719 INFO L231 Difference]: Finished difference. Result has 245 places, 255 transitions, 521 flow [2024-11-08 19:03:13,720 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=521, PETRI_PLACES=245, PETRI_TRANSITIONS=255} [2024-11-08 19:03:13,721 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -22 predicate places. [2024-11-08 19:03:13,721 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 255 transitions, 521 flow [2024-11-08 19:03:13,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:13,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:13,722 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:13,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:03:13,723 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)] === [2024-11-08 19:03:13,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:13,724 INFO L85 PathProgramCache]: Analyzing trace with hash -635418431, now seen corresponding path program 1 times [2024-11-08 19:03:13,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:13,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501369398] [2024-11-08 19:03:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:13,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:13,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:13,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501369398] [2024-11-08 19:03:13,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501369398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:13,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:13,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:03:13,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878526602] [2024-11-08 19:03:13,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:13,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:03:13,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:03:13,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:03:14,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 328 [2024-11-08 19:03:14,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 255 transitions, 521 flow. Second operand has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:14,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:14,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 328 [2024-11-08 19:03:14,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:15,641 INFO L124 PetriNetUnfolderBase]: 2873/7241 cut-off events. [2024-11-08 19:03:15,642 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:03:15,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12613 conditions, 7241 events. 2873/7241 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 57023 event pairs, 2202 based on Foata normal form. 0/4539 useless extension candidates. Maximal degree in co-relation 12608. Up to 5178 conditions per place. [2024-11-08 19:03:15,681 INFO L140 encePairwiseOnDemand]: 314/328 looper letters, 165 selfloop transitions, 10 changer transitions 0/283 dead transitions. [2024-11-08 19:03:15,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 283 transitions, 927 flow [2024-11-08 19:03:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:03:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 19:03:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 749 transitions. [2024-11-08 19:03:15,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45670731707317075 [2024-11-08 19:03:15,685 INFO L175 Difference]: Start difference. First operand has 245 places, 255 transitions, 521 flow. Second operand 5 states and 749 transitions. [2024-11-08 19:03:15,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 283 transitions, 927 flow [2024-11-08 19:03:15,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 283 transitions, 923 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:03:15,694 INFO L231 Difference]: Finished difference. Result has 244 places, 255 transitions, 552 flow [2024-11-08 19:03:15,695 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=552, PETRI_PLACES=244, PETRI_TRANSITIONS=255} [2024-11-08 19:03:15,696 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -23 predicate places. [2024-11-08 19:03:15,696 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 255 transitions, 552 flow [2024-11-08 19:03:15,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:15,697 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:15,697 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:15,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:03:15,698 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)] === [2024-11-08 19:03:15,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:15,698 INFO L85 PathProgramCache]: Analyzing trace with hash -635418430, now seen corresponding path program 1 times [2024-11-08 19:03:15,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:15,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061150420] [2024-11-08 19:03:15,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:15,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:15,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:15,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061150420] [2024-11-08 19:03:15,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061150420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:15,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:15,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:15,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625360523] [2024-11-08 19:03:15,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:15,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:03:15,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:15,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:03:15,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:03:16,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 328 [2024-11-08 19:03:16,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 255 transitions, 552 flow. Second operand has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:16,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:16,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 328 [2024-11-08 19:03:16,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:17,592 INFO L124 PetriNetUnfolderBase]: 2873/7240 cut-off events. [2024-11-08 19:03:17,593 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-11-08 19:03:17,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12959 conditions, 7240 events. 2873/7240 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 57018 event pairs, 2277 based on Foata normal form. 0/4623 useless extension candidates. Maximal degree in co-relation 12953. Up to 5349 conditions per place. [2024-11-08 19:03:17,625 INFO L140 encePairwiseOnDemand]: 323/328 looper letters, 141 selfloop transitions, 4 changer transitions 0/254 dead transitions. [2024-11-08 19:03:17,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 254 transitions, 840 flow [2024-11-08 19:03:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:03:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:03:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 602 transitions. [2024-11-08 19:03:17,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45884146341463417 [2024-11-08 19:03:17,628 INFO L175 Difference]: Start difference. First operand has 244 places, 255 transitions, 552 flow. Second operand 4 states and 602 transitions. [2024-11-08 19:03:17,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 254 transitions, 840 flow [2024-11-08 19:03:17,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 254 transitions, 827 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:03:17,644 INFO L231 Difference]: Finished difference. Result has 243 places, 254 transitions, 545 flow [2024-11-08 19:03:17,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=545, PETRI_PLACES=243, PETRI_TRANSITIONS=254} [2024-11-08 19:03:17,645 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -24 predicate places. [2024-11-08 19:03:17,645 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 254 transitions, 545 flow [2024-11-08 19:03:17,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:17,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:17,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:17,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:03:17,646 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)] === [2024-11-08 19:03:17,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:17,647 INFO L85 PathProgramCache]: Analyzing trace with hash -751686323, now seen corresponding path program 1 times [2024-11-08 19:03:17,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:17,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392308637] [2024-11-08 19:03:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:17,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:17,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392308637] [2024-11-08 19:03:17,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392308637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:17,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:17,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:17,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266828028] [2024-11-08 19:03:17,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:17,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:03:17,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:17,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:03:17,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:03:18,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 328 [2024-11-08 19:03:18,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 254 transitions, 545 flow. Second operand has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:18,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:18,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 328 [2024-11-08 19:03:18,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:19,483 INFO L124 PetriNetUnfolderBase]: 2873/7239 cut-off events. [2024-11-08 19:03:19,483 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-11-08 19:03:19,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12871 conditions, 7239 events. 2873/7239 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 56996 event pairs, 2277 based on Foata normal form. 0/4623 useless extension candidates. Maximal degree in co-relation 12865. Up to 5349 conditions per place. [2024-11-08 19:03:19,539 INFO L140 encePairwiseOnDemand]: 323/328 looper letters, 140 selfloop transitions, 4 changer transitions 0/253 dead transitions. [2024-11-08 19:03:19,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 253 transitions, 831 flow [2024-11-08 19:03:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:03:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:03:19,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 601 transitions. [2024-11-08 19:03:19,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4580792682926829 [2024-11-08 19:03:19,543 INFO L175 Difference]: Start difference. First operand has 243 places, 254 transitions, 545 flow. Second operand 4 states and 601 transitions. [2024-11-08 19:03:19,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 253 transitions, 831 flow [2024-11-08 19:03:19,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 253 transitions, 823 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:03:19,556 INFO L231 Difference]: Finished difference. Result has 242 places, 253 transitions, 543 flow [2024-11-08 19:03:19,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=543, PETRI_PLACES=242, PETRI_TRANSITIONS=253} [2024-11-08 19:03:19,558 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -25 predicate places. [2024-11-08 19:03:19,559 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 253 transitions, 543 flow [2024-11-08 19:03:19,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:19,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:19,562 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:19,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:03:19,562 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)] === [2024-11-08 19:03:19,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:19,563 INFO L85 PathProgramCache]: Analyzing trace with hash -815980088, now seen corresponding path program 1 times [2024-11-08 19:03:19,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:19,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7068692] [2024-11-08 19:03:19,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:19,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:19,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:19,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7068692] [2024-11-08 19:03:19,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7068692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:19,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:19,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:19,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89248259] [2024-11-08 19:03:19,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:19,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:03:19,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:19,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:03:19,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:03:20,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 328 [2024-11-08 19:03:20,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 253 transitions, 543 flow. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:20,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:20,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 328 [2024-11-08 19:03:20,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:21,314 INFO L124 PetriNetUnfolderBase]: 2873/7238 cut-off events. [2024-11-08 19:03:21,314 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-11-08 19:03:21,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12869 conditions, 7238 events. 2873/7238 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 56997 event pairs, 2277 based on Foata normal form. 0/4623 useless extension candidates. Maximal degree in co-relation 12863. Up to 5349 conditions per place. [2024-11-08 19:03:21,349 INFO L140 encePairwiseOnDemand]: 323/328 looper letters, 139 selfloop transitions, 4 changer transitions 0/252 dead transitions. [2024-11-08 19:03:21,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 252 transitions, 827 flow [2024-11-08 19:03:21,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:03:21,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:03:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 600 transitions. [2024-11-08 19:03:21,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4573170731707317 [2024-11-08 19:03:21,352 INFO L175 Difference]: Start difference. First operand has 242 places, 253 transitions, 543 flow. Second operand 4 states and 600 transitions. [2024-11-08 19:03:21,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 252 transitions, 827 flow [2024-11-08 19:03:21,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 252 transitions, 819 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:03:21,361 INFO L231 Difference]: Finished difference. Result has 241 places, 252 transitions, 541 flow [2024-11-08 19:03:21,361 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=541, PETRI_PLACES=241, PETRI_TRANSITIONS=252} [2024-11-08 19:03:21,362 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -26 predicate places. [2024-11-08 19:03:21,362 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 252 transitions, 541 flow [2024-11-08 19:03:21,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:21,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:21,363 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:21,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 19:03:21,363 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)] === [2024-11-08 19:03:21,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:21,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1822226464, now seen corresponding path program 1 times [2024-11-08 19:03:21,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:21,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584699931] [2024-11-08 19:03:21,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:21,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:21,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:21,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584699931] [2024-11-08 19:03:21,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584699931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:21,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:21,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:21,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504744688] [2024-11-08 19:03:21,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:21,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:03:21,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:21,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:03:21,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:03:21,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 328 [2024-11-08 19:03:21,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 252 transitions, 541 flow. Second operand has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:21,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:21,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 328 [2024-11-08 19:03:21,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:22,983 INFO L124 PetriNetUnfolderBase]: 2873/7237 cut-off events. [2024-11-08 19:03:22,983 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-11-08 19:03:22,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12867 conditions, 7237 events. 2873/7237 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 56980 event pairs, 2277 based on Foata normal form. 0/4623 useless extension candidates. Maximal degree in co-relation 12861. Up to 5349 conditions per place. [2024-11-08 19:03:23,013 INFO L140 encePairwiseOnDemand]: 324/328 looper letters, 139 selfloop transitions, 3 changer transitions 0/251 dead transitions. [2024-11-08 19:03:23,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 251 transitions, 823 flow [2024-11-08 19:03:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:03:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:03:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 599 transitions. [2024-11-08 19:03:23,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4565548780487805 [2024-11-08 19:03:23,018 INFO L175 Difference]: Start difference. First operand has 241 places, 252 transitions, 541 flow. Second operand 4 states and 599 transitions. [2024-11-08 19:03:23,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 251 transitions, 823 flow [2024-11-08 19:03:23,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 251 transitions, 815 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:03:23,028 INFO L231 Difference]: Finished difference. Result has 240 places, 251 transitions, 537 flow [2024-11-08 19:03:23,028 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=537, PETRI_PLACES=240, PETRI_TRANSITIONS=251} [2024-11-08 19:03:23,029 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -27 predicate places. [2024-11-08 19:03:23,029 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 251 transitions, 537 flow [2024-11-08 19:03:23,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:23,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:23,030 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:23,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:03:23,031 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-08 19:03:23,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:23,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1799574591, now seen corresponding path program 1 times [2024-11-08 19:03:23,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:23,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358997691] [2024-11-08 19:03:23,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:23,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:23,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:23,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358997691] [2024-11-08 19:03:23,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358997691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:23,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:23,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:23,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446003889] [2024-11-08 19:03:23,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:23,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:03:23,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:23,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:03:23,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:03:23,215 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 328 [2024-11-08 19:03:23,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 251 transitions, 537 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:23,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:23,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 328 [2024-11-08 19:03:23,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:24,215 INFO L124 PetriNetUnfolderBase]: 2940/7527 cut-off events. [2024-11-08 19:03:24,215 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2024-11-08 19:03:24,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13379 conditions, 7527 events. 2940/7527 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 60279 event pairs, 2191 based on Foata normal form. 0/4841 useless extension candidates. Maximal degree in co-relation 13373. Up to 5163 conditions per place. [2024-11-08 19:03:24,244 INFO L140 encePairwiseOnDemand]: 321/328 looper letters, 268 selfloop transitions, 6 changer transitions 0/379 dead transitions. [2024-11-08 19:03:24,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 379 transitions, 1358 flow [2024-11-08 19:03:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:03:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:03:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2024-11-08 19:03:24,247 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6209349593495935 [2024-11-08 19:03:24,247 INFO L175 Difference]: Start difference. First operand has 240 places, 251 transitions, 537 flow. Second operand 3 states and 611 transitions. [2024-11-08 19:03:24,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 379 transitions, 1358 flow [2024-11-08 19:03:24,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 379 transitions, 1352 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:03:24,261 INFO L231 Difference]: Finished difference. Result has 241 places, 255 transitions, 577 flow [2024-11-08 19:03:24,262 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=241, PETRI_TRANSITIONS=255} [2024-11-08 19:03:24,262 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -26 predicate places. [2024-11-08 19:03:24,263 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 255 transitions, 577 flow [2024-11-08 19:03:24,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:24,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:24,263 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:24,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 19:03:24,264 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-08 19:03:24,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:24,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1799574592, now seen corresponding path program 1 times [2024-11-08 19:03:24,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:24,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717615389] [2024-11-08 19:03:24,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:24,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:24,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717615389] [2024-11-08 19:03:24,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717615389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:24,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:24,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:03:24,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413604064] [2024-11-08 19:03:24,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:24,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:03:24,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:24,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:03:24,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:03:24,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 328 [2024-11-08 19:03:24,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 255 transitions, 577 flow. Second operand has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:24,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:24,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 328 [2024-11-08 19:03:24,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:25,766 INFO L124 PetriNetUnfolderBase]: 3023/7909 cut-off events. [2024-11-08 19:03:25,766 INFO L125 PetriNetUnfolderBase]: For 660/662 co-relation queries the response was YES. [2024-11-08 19:03:25,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14177 conditions, 7909 events. 3023/7909 cut-off events. For 660/662 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 64670 event pairs, 2144 based on Foata normal form. 3/5091 useless extension candidates. Maximal degree in co-relation 14170. Up to 5695 conditions per place. [2024-11-08 19:03:25,797 INFO L140 encePairwiseOnDemand]: 320/328 looper letters, 154 selfloop transitions, 6 changer transitions 0/265 dead transitions. [2024-11-08 19:03:25,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 265 transitions, 919 flow [2024-11-08 19:03:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:03:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:03:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 604 transitions. [2024-11-08 19:03:25,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4603658536585366 [2024-11-08 19:03:25,801 INFO L175 Difference]: Start difference. First operand has 241 places, 255 transitions, 577 flow. Second operand 4 states and 604 transitions. [2024-11-08 19:03:25,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 265 transitions, 919 flow [2024-11-08 19:03:25,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 265 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:03:25,811 INFO L231 Difference]: Finished difference. Result has 244 places, 260 transitions, 609 flow [2024-11-08 19:03:25,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=609, PETRI_PLACES=244, PETRI_TRANSITIONS=260} [2024-11-08 19:03:25,812 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -23 predicate places. [2024-11-08 19:03:25,812 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 260 transitions, 609 flow [2024-11-08 19:03:25,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:25,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:25,814 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:25,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 19:03:25,814 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-08 19:03:25,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:25,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1892866966, now seen corresponding path program 1 times [2024-11-08 19:03:25,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:25,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385670671] [2024-11-08 19:03:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:25,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:26,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:26,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385670671] [2024-11-08 19:03:26,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385670671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:26,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:26,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:03:26,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487877971] [2024-11-08 19:03:26,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:26,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:03:26,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:26,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:03:26,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:03:26,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 328 [2024-11-08 19:03:26,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 260 transitions, 609 flow. Second operand has 5 states, 5 states have (on average 116.2) internal successors, (581), 5 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:26,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:26,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 328 [2024-11-08 19:03:26,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:27,650 INFO L124 PetriNetUnfolderBase]: 2923/7718 cut-off events. [2024-11-08 19:03:27,650 INFO L125 PetriNetUnfolderBase]: For 452/455 co-relation queries the response was YES. [2024-11-08 19:03:27,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13862 conditions, 7718 events. 2923/7718 cut-off events. For 452/455 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 62780 event pairs, 2066 based on Foata normal form. 3/5006 useless extension candidates. Maximal degree in co-relation 13853. Up to 4971 conditions per place. [2024-11-08 19:03:27,674 INFO L140 encePairwiseOnDemand]: 322/328 looper letters, 299 selfloop transitions, 7 changer transitions 0/414 dead transitions. [2024-11-08 19:03:27,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 414 transitions, 1553 flow [2024-11-08 19:03:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:03:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 19:03:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2024-11-08 19:03:27,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.526829268292683 [2024-11-08 19:03:27,681 INFO L175 Difference]: Start difference. First operand has 244 places, 260 transitions, 609 flow. Second operand 5 states and 864 transitions. [2024-11-08 19:03:27,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 414 transitions, 1553 flow [2024-11-08 19:03:27,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 414 transitions, 1553 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:03:27,693 INFO L231 Difference]: Finished difference. Result has 251 places, 263 transitions, 657 flow [2024-11-08 19:03:27,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=657, PETRI_PLACES=251, PETRI_TRANSITIONS=263} [2024-11-08 19:03:27,695 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, -16 predicate places. [2024-11-08 19:03:27,695 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 263 transitions, 657 flow [2024-11-08 19:03:27,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.2) internal successors, (581), 5 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:27,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:27,696 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:27,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 19:03:27,696 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-08 19:03:27,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:27,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1892866967, now seen corresponding path program 1 times [2024-11-08 19:03:27,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:27,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110779740] [2024-11-08 19:03:27,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:27,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:28,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:28,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110779740] [2024-11-08 19:03:28,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110779740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:28,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:28,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:03:28,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268649461] [2024-11-08 19:03:28,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:28,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:03:28,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:28,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:03:28,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:03:30,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 328 [2024-11-08 19:03:30,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 263 transitions, 657 flow. Second operand has 9 states, 9 states have (on average 108.88888888888889) internal successors, (980), 9 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:30,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:30,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 328 [2024-11-08 19:03:30,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:03:34,803 INFO L124 PetriNetUnfolderBase]: 6029/14487 cut-off events. [2024-11-08 19:03:34,804 INFO L125 PetriNetUnfolderBase]: For 1768/1776 co-relation queries the response was YES. [2024-11-08 19:03:34,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27245 conditions, 14487 events. 6029/14487 cut-off events. For 1768/1776 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 127622 event pairs, 2289 based on Foata normal form. 239/9234 useless extension candidates. Maximal degree in co-relation 27233. Up to 5384 conditions per place. [2024-11-08 19:03:34,870 INFO L140 encePairwiseOnDemand]: 313/328 looper letters, 664 selfloop transitions, 31 changer transitions 1/797 dead transitions. [2024-11-08 19:03:34,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 797 transitions, 3229 flow [2024-11-08 19:03:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 19:03:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-08 19:03:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2303 transitions. [2024-11-08 19:03:34,880 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46808943089430893 [2024-11-08 19:03:34,880 INFO L175 Difference]: Start difference. First operand has 251 places, 263 transitions, 657 flow. Second operand 15 states and 2303 transitions. [2024-11-08 19:03:34,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 797 transitions, 3229 flow [2024-11-08 19:03:34,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 797 transitions, 3223 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-08 19:03:34,918 INFO L231 Difference]: Finished difference. Result has 271 places, 281 transitions, 854 flow [2024-11-08 19:03:34,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=854, PETRI_PLACES=271, PETRI_TRANSITIONS=281} [2024-11-08 19:03:34,920 INFO L277 CegarLoopForPetriNet]: 267 programPoint places, 4 predicate places. [2024-11-08 19:03:34,920 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 281 transitions, 854 flow [2024-11-08 19:03:34,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 108.88888888888889) internal successors, (980), 9 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:34,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:34,921 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:34,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 19:03:34,922 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)] === [2024-11-08 19:03:34,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:34,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1495134678, now seen corresponding path program 1 times [2024-11-08 19:03:34,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:34,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535120105] [2024-11-08 19:03:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:03:34,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:03:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:03:35,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:03:35,096 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:03:35,097 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (124 of 125 remaining) [2024-11-08 19:03:35,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 125 remaining) [2024-11-08 19:03:35,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 125 remaining) [2024-11-08 19:03:35,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (121 of 125 remaining) [2024-11-08 19:03:35,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 125 remaining) [2024-11-08 19:03:35,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 125 remaining) [2024-11-08 19:03:35,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (118 of 125 remaining) [2024-11-08 19:03:35,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 125 remaining) [2024-11-08 19:03:35,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 125 remaining) [2024-11-08 19:03:35,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 125 remaining) [2024-11-08 19:03:35,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 125 remaining) [2024-11-08 19:03:35,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 125 remaining) [2024-11-08 19:03:35,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 125 remaining) [2024-11-08 19:03:35,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 125 remaining) [2024-11-08 19:03:35,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 125 remaining) [2024-11-08 19:03:35,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 125 remaining) [2024-11-08 19:03:35,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 125 remaining) [2024-11-08 19:03:35,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 125 remaining) [2024-11-08 19:03:35,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 125 remaining) [2024-11-08 19:03:35,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 125 remaining) [2024-11-08 19:03:35,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 125 remaining) [2024-11-08 19:03:35,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 125 remaining) [2024-11-08 19:03:35,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 125 remaining) [2024-11-08 19:03:35,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 125 remaining) [2024-11-08 19:03:35,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 125 remaining) [2024-11-08 19:03:35,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 125 remaining) [2024-11-08 19:03:35,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 125 remaining) [2024-11-08 19:03:35,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 125 remaining) [2024-11-08 19:03:35,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 125 remaining) [2024-11-08 19:03:35,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 125 remaining) [2024-11-08 19:03:35,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 125 remaining) [2024-11-08 19:03:35,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK (93 of 125 remaining) [2024-11-08 19:03:35,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 125 remaining) [2024-11-08 19:03:35,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 125 remaining) [2024-11-08 19:03:35,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 125 remaining) [2024-11-08 19:03:35,110 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 125 remaining) [2024-11-08 19:03:35,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 125 remaining) [2024-11-08 19:03:35,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 125 remaining) [2024-11-08 19:03:35,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK (86 of 125 remaining) [2024-11-08 19:03:35,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 125 remaining) [2024-11-08 19:03:35,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 125 remaining) [2024-11-08 19:03:35,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 125 remaining) [2024-11-08 19:03:35,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 125 remaining) [2024-11-08 19:03:35,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK (81 of 125 remaining) [2024-11-08 19:03:35,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 125 remaining) [2024-11-08 19:03:35,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 125 remaining) [2024-11-08 19:03:35,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 125 remaining) [2024-11-08 19:03:35,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 125 remaining) [2024-11-08 19:03:35,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 125 remaining) [2024-11-08 19:03:35,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 125 remaining) [2024-11-08 19:03:35,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 125 remaining) [2024-11-08 19:03:35,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 125 remaining) [2024-11-08 19:03:35,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 125 remaining) [2024-11-08 19:03:35,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 125 remaining) [2024-11-08 19:03:35,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 125 remaining) [2024-11-08 19:03:35,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 125 remaining) [2024-11-08 19:03:35,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 125 remaining) [2024-11-08 19:03:35,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 125 remaining) [2024-11-08 19:03:35,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK (66 of 125 remaining) [2024-11-08 19:03:35,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 125 remaining) [2024-11-08 19:03:35,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 125 remaining) [2024-11-08 19:03:35,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 125 remaining) [2024-11-08 19:03:35,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 125 remaining) [2024-11-08 19:03:35,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 125 remaining) [2024-11-08 19:03:35,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 125 remaining) [2024-11-08 19:03:35,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 125 remaining) [2024-11-08 19:03:35,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 125 remaining) [2024-11-08 19:03:35,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 125 remaining) [2024-11-08 19:03:35,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 125 remaining) [2024-11-08 19:03:35,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 125 remaining) [2024-11-08 19:03:35,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 125 remaining) [2024-11-08 19:03:35,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 125 remaining) [2024-11-08 19:03:35,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 125 remaining) [2024-11-08 19:03:35,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 125 remaining) [2024-11-08 19:03:35,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 125 remaining) [2024-11-08 19:03:35,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK (49 of 125 remaining) [2024-11-08 19:03:35,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 125 remaining) [2024-11-08 19:03:35,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 125 remaining) [2024-11-08 19:03:35,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (46 of 125 remaining) [2024-11-08 19:03:35,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 125 remaining) [2024-11-08 19:03:35,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 125 remaining) [2024-11-08 19:03:35,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 125 remaining) [2024-11-08 19:03:35,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 125 remaining) [2024-11-08 19:03:35,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 125 remaining) [2024-11-08 19:03:35,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 125 remaining) [2024-11-08 19:03:35,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 125 remaining) [2024-11-08 19:03:35,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 125 remaining) [2024-11-08 19:03:35,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 125 remaining) [2024-11-08 19:03:35,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 125 remaining) [2024-11-08 19:03:35,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 125 remaining) [2024-11-08 19:03:35,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 125 remaining) [2024-11-08 19:03:35,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 125 remaining) [2024-11-08 19:03:35,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 125 remaining) [2024-11-08 19:03:35,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 125 remaining) [2024-11-08 19:03:35,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 125 remaining) [2024-11-08 19:03:35,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 125 remaining) [2024-11-08 19:03:35,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 125 remaining) [2024-11-08 19:03:35,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 125 remaining) [2024-11-08 19:03:35,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 125 remaining) [2024-11-08 19:03:35,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 125 remaining) [2024-11-08 19:03:35,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 125 remaining) [2024-11-08 19:03:35,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 125 remaining) [2024-11-08 19:03:35,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 125 remaining) [2024-11-08 19:03:35,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 125 remaining) [2024-11-08 19:03:35,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 125 remaining) [2024-11-08 19:03:35,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 125 remaining) [2024-11-08 19:03:35,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 125 remaining) [2024-11-08 19:03:35,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 125 remaining) [2024-11-08 19:03:35,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 125 remaining) [2024-11-08 19:03:35,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 125 remaining) [2024-11-08 19:03:35,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 125 remaining) [2024-11-08 19:03:35,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 125 remaining) [2024-11-08 19:03:35,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 125 remaining) [2024-11-08 19:03:35,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 125 remaining) [2024-11-08 19:03:35,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 125 remaining) [2024-11-08 19:03:35,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 125 remaining) [2024-11-08 19:03:35,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 125 remaining) [2024-11-08 19:03:35,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 125 remaining) [2024-11-08 19:03:35,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 125 remaining) [2024-11-08 19:03:35,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 125 remaining) [2024-11-08 19:03:35,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 125 remaining) [2024-11-08 19:03:35,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 125 remaining) [2024-11-08 19:03:35,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 125 remaining) [2024-11-08 19:03:35,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 125 remaining) [2024-11-08 19:03:35,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 125 remaining) [2024-11-08 19:03:35,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 19:03:35,137 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:03:35,144 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 19:03:35,146 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-08 19:03:35,293 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 19:03:35,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 313 places, 379 transitions, 774 flow [2024-11-08 19:03:35,471 INFO L124 PetriNetUnfolderBase]: 218/1069 cut-off events. [2024-11-08 19:03:35,471 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 19:03:35,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 1069 events. 218/1069 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6216 event pairs, 0 based on Foata normal form. 0/515 useless extension candidates. Maximal degree in co-relation 561. Up to 12 conditions per place. [2024-11-08 19:03:35,479 INFO L82 GeneralOperation]: Start removeDead. Operand has 313 places, 379 transitions, 774 flow [2024-11-08 19:03:35,497 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 313 places, 379 transitions, 774 flow [2024-11-08 19:03:35,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:03:35,499 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;@7bfb05a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:03:35,499 INFO L334 AbstractCegarLoop]: Starting to check reachability of 145 error locations. [2024-11-08 19:03:35,502 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:03:35,502 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-11-08 19:03:35,502 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:03:35,503 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:03:35,503 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-08 19:03:35,503 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)] === [2024-11-08 19:03:35,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:03:35,504 INFO L85 PathProgramCache]: Analyzing trace with hash 80964199, now seen corresponding path program 1 times [2024-11-08 19:03:35,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:03:35,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132549292] [2024-11-08 19:03:35,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:03:35,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:03:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:03:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:03:35,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:03:35,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132549292] [2024-11-08 19:03:35,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132549292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:03:35,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:03:35,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:03:35,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405521046] [2024-11-08 19:03:35,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:03:35,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:03:35,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:03:35,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:03:35,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:03:35,521 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 379 [2024-11-08 19:03:35,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 379 transitions, 774 flow. Second operand has 2 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:03:35,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:03:35,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 379 [2024-11-08 19:03:35,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand