./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:34:33,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:34:33,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-12 16:34:33,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:34:33,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:34:33,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:34:33,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:34:33,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:34:33,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:34:33,765 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:34:33,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:34:33,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:34:33,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:34:33,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:34:33,768 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:34:33,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:34:33,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:34:33,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:34:33,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:34:33,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:34:33,773 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 16:34:33,773 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 16:34:33,773 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-12 16:34:33,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:34:33,774 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 16:34:33,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:34:33,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:34:33,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:34:33,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:34:33,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:34:33,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:34:33,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:34:33,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:34:33,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:34:33,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:34:33,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:34:33,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:34:33,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:34:33,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:34:33,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:34:33,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:34:33,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:34:33,779 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe [2024-11-12 16:34:34,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:34:34,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:34:34,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:34:34,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:34:34,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:34:34,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-12 16:34:35,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:34:35,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:34:35,884 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-12 16:34:35,933 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1ea4d08f/b9cc5a7d086a43dc9df94c216130df87/FLAG8e7079a04 [2024-11-12 16:34:35,951 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1ea4d08f/b9cc5a7d086a43dc9df94c216130df87 [2024-11-12 16:34:35,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:34:35,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:34:35,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:34:35,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:34:35,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:34:35,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:34:35" (1/1) ... [2024-11-12 16:34:35,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30780ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:35, skipping insertion in model container [2024-11-12 16:34:35,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:34:35" (1/1) ... [2024-11-12 16:34:36,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:34:37,508 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 16:34:37,517 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 16:34:37,524 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 16:34:37,533 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 16:34:37,534 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 16:34:37,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 16:34:37,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:34:37,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:34:37,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-12 16:34:37,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-12 16:34:37,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-12 16:34:37,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-12 16:34:37,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-12 16:34:37,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-12 16:34:37,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-12 16:34:37,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-12 16:34:37,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-12 16:34:37,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-12 16:34:37,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-12 16:34:37,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-12 16:34:37,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-12 16:34:37,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-12 16:34:37,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-12 16:34:37,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-12 16:34:37,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-12 16:34:37,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-12 16:34:37,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-12 16:34:37,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-12 16:34:37,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-12 16:34:37,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-12 16:34:37,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-12 16:34:37,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-12 16:34:37,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-12 16:34:37,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-12 16:34:37,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-12 16:34:37,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-12 16:34:37,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-12 16:34:37,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-12 16:34:37,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-12 16:34:37,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-12 16:34:37,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-12 16:34:37,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-12 16:34:37,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-12 16:34:37,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-12 16:34:37,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-12 16:34:37,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-12 16:34:37,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-12 16:34:37,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-12 16:34:37,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-12 16:34:37,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-12 16:34:37,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-12 16:34:37,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-12 16:34:37,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-12 16:34:37,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-12 16:34:37,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-12 16:34:37,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-12 16:34:37,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-12 16:34:37,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-12 16:34:37,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-12 16:34:37,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-12 16:34:37,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-12 16:34:37,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-12 16:34:37,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-12 16:34:37,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-12 16:34:37,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-12 16:34:37,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-12 16:34:37,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-12 16:34:37,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-12 16:34:37,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-12 16:34:37,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-12 16:34:37,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-12 16:34:37,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-12 16:34:37,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-12 16:34:37,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-12 16:34:37,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-12 16:34:37,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-12 16:34:37,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-12 16:34:37,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-12 16:34:37,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-12 16:34:37,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-12 16:34:37,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-12 16:34:37,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-12 16:34:37,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-12 16:34:37,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-12 16:34:37,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-12 16:34:37,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-12 16:34:37,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-12 16:34:37,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-12 16:34:37,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-12 16:34:37,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-12 16:34:37,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-12 16:34:37,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-12 16:34:37,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-12 16:34:37,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-12 16:34:37,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-12 16:34:37,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-12 16:34:37,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-12 16:34:37,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-12 16:34:37,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-12 16:34:37,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-12 16:34:37,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-12 16:34:37,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-12 16:34:37,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-12 16:34:37,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-12 16:34:37,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-12 16:34:37,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-12 16:34:37,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-12 16:34:37,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-12 16:34:37,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:34:38,310 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:34:38,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38 WrapperNode [2024-11-12 16:34:38,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:34:38,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:34:38,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:34:38,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:34:38,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,501 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 678 [2024-11-12 16:34:38,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:34:38,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:34:38,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:34:38,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:34:38,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,574 INFO L175 MemorySlicer]: Split 65 memory accesses to 5 slices as follows [2, 2, 9, 8, 44]. 68 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 4, 6]. The 20 writes are split as follows [0, 1, 2, 3, 14]. [2024-11-12 16:34:38,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:34:38,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:34:38,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:34:38,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:34:38,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (1/1) ... [2024-11-12 16:34:38,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:34:38,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:34:38,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 16:34:38,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 16:34:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 16:34:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 16:34:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 16:34:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 16:34:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 16:34:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:34:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 16:34:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 16:34:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 16:34:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 16:34:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 16:34:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:34:38,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 16:34:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 16:34:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 16:34:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 16:34:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 16:34:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-12 16:34:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-12 16:34:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 16:34:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 16:34:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 16:34:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 16:34:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 16:34:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 16:34:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 16:34:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 16:34:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 16:34:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 16:34:38,804 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 16:34:39,065 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:34:39,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:34:40,059 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 16:34:40,059 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:34:40,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:34:40,589 INFO L316 CfgBuilder]: Removed 41 assume(true) statements. [2024-11-12 16:34:40,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:34:40 BoogieIcfgContainer [2024-11-12 16:34:40,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:34:40,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:34:40,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:34:40,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:34:40,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:34:35" (1/3) ... [2024-11-12 16:34:40,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245b0c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:34:40, skipping insertion in model container [2024-11-12 16:34:40,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:34:38" (2/3) ... [2024-11-12 16:34:40,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245b0c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:34:40, skipping insertion in model container [2024-11-12 16:34:40,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:34:40" (3/3) ... [2024-11-12 16:34:40,602 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-11-12 16:34:40,620 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:34:40,620 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2024-11-12 16:34:40,620 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 16:34:40,742 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-12 16:34:40,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 319 transitions, 645 flow [2024-11-12 16:34:41,002 INFO L124 PetriNetUnfolderBase]: 108/544 cut-off events. [2024-11-12 16:34:41,003 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 16:34:41,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 544 events. 108/544 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2506 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 272. Up to 6 conditions per place. [2024-11-12 16:34:41,022 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 319 transitions, 645 flow [2024-11-12 16:34:41,046 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 319 transitions, 645 flow [2024-11-12 16:34:41,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:34:41,077 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;@537b6422, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:34:41,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2024-11-12 16:34:41,088 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 16:34:41,092 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-11-12 16:34:41,092 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:34:41,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:41,093 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-12 16:34:41,094 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)] === [2024-11-12 16:34:41,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:41,107 INFO L85 PathProgramCache]: Analyzing trace with hash 69391337, now seen corresponding path program 1 times [2024-11-12 16:34:41,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:41,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991460757] [2024-11-12 16:34:41,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:41,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:41,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:41,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:41,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991460757] [2024-11-12 16:34:41,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991460757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:41,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:41,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:34:41,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624917237] [2024-11-12 16:34:41,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:41,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 16:34:41,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:41,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 16:34:41,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 16:34:41,368 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 319 [2024-11-12 16:34:41,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 319 transitions, 645 flow. Second operand has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:41,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:41,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 319 [2024-11-12 16:34:41,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:42,540 INFO L124 PetriNetUnfolderBase]: 2857/7220 cut-off events. [2024-11-12 16:34:42,540 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 16:34:42,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12582 conditions, 7220 events. 2857/7220 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 56284 event pairs, 2276 based on Foata normal form. 792/5197 useless extension candidates. Maximal degree in co-relation 12246. Up to 5357 conditions per place. [2024-11-12 16:34:42,587 INFO L140 encePairwiseOnDemand]: 263/319 looper letters, 148 selfloop transitions, 0 changer transitions 0/256 dead transitions. [2024-11-12 16:34:42,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 256 transitions, 815 flow [2024-11-12 16:34:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 16:34:42,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 16:34:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 420 transitions. [2024-11-12 16:34:42,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.658307210031348 [2024-11-12 16:34:42,605 INFO L175 Difference]: Start difference. First operand has 261 places, 319 transitions, 645 flow. Second operand 2 states and 420 transitions. [2024-11-12 16:34:42,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 256 transitions, 815 flow [2024-11-12 16:34:42,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 256 transitions, 815 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 16:34:42,616 INFO L231 Difference]: Finished difference. Result has 247 places, 256 transitions, 519 flow [2024-11-12 16:34:42,618 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=519, PETRI_PLACES=247, PETRI_TRANSITIONS=256} [2024-11-12 16:34:42,621 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -14 predicate places. [2024-11-12 16:34:42,623 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 256 transitions, 519 flow [2024-11-12 16:34:42,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:42,624 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:42,624 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-12 16:34:42,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:34:42,624 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)] === [2024-11-12 16:34:42,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:42,625 INFO L85 PathProgramCache]: Analyzing trace with hash 69386158, now seen corresponding path program 1 times [2024-11-12 16:34:42,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:42,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534765552] [2024-11-12 16:34:42,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:42,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:42,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:42,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534765552] [2024-11-12 16:34:42,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534765552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:42,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:42,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:34:42,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001340738] [2024-11-12 16:34:42,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:42,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:34:42,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:42,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:34:42,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:34:42,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 319 [2024-11-12 16:34:42,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 256 transitions, 519 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:42,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:42,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 319 [2024-11-12 16:34:42,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:43,989 INFO L124 PetriNetUnfolderBase]: 2857/7217 cut-off events. [2024-11-12 16:34:43,990 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 16:34:43,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12579 conditions, 7217 events. 2857/7217 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 56285 event pairs, 2276 based on Foata normal form. 1/4403 useless extension candidates. Maximal degree in co-relation 12575. Up to 5338 conditions per place. [2024-11-12 16:34:44,036 INFO L140 encePairwiseOnDemand]: 316/319 looper letters, 145 selfloop transitions, 2 changer transitions 0/253 dead transitions. [2024-11-12 16:34:44,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 253 transitions, 807 flow [2024-11-12 16:34:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:34:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:34:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-11-12 16:34:44,040 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49320794148380354 [2024-11-12 16:34:44,040 INFO L175 Difference]: Start difference. First operand has 247 places, 256 transitions, 519 flow. Second operand 3 states and 472 transitions. [2024-11-12 16:34:44,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 253 transitions, 807 flow [2024-11-12 16:34:44,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 253 transitions, 807 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 16:34:44,048 INFO L231 Difference]: Finished difference. Result has 246 places, 253 transitions, 517 flow [2024-11-12 16:34:44,048 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=517, PETRI_PLACES=246, PETRI_TRANSITIONS=253} [2024-11-12 16:34:44,049 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -15 predicate places. [2024-11-12 16:34:44,049 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 253 transitions, 517 flow [2024-11-12 16:34:44,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:44,050 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:44,050 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:34:44,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:34:44,051 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)] === [2024-11-12 16:34:44,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:44,052 INFO L85 PathProgramCache]: Analyzing trace with hash -2032966479, now seen corresponding path program 1 times [2024-11-12 16:34:44,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:44,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517489419] [2024-11-12 16:34:44,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:44,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:44,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:44,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517489419] [2024-11-12 16:34:44,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517489419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:44,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:44,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 16:34:44,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307820145] [2024-11-12 16:34:44,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:44,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:34:44,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:44,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:34:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:34:44,283 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-11-12 16:34:44,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 253 transitions, 517 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:44,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:44,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-11-12 16:34:44,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:45,257 INFO L124 PetriNetUnfolderBase]: 2857/7215 cut-off events. [2024-11-12 16:34:45,257 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 16:34:45,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12580 conditions, 7215 events. 2857/7215 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 56280 event pairs, 2276 based on Foata normal form. 1/4403 useless extension candidates. Maximal degree in co-relation 12575. Up to 5338 conditions per place. [2024-11-12 16:34:45,284 INFO L140 encePairwiseOnDemand]: 315/319 looper letters, 145 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2024-11-12 16:34:45,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 251 transitions, 807 flow [2024-11-12 16:34:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:34:45,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:34:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-11-12 16:34:45,286 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48798328108672934 [2024-11-12 16:34:45,286 INFO L175 Difference]: Start difference. First operand has 246 places, 253 transitions, 517 flow. Second operand 3 states and 467 transitions. [2024-11-12 16:34:45,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 251 transitions, 807 flow [2024-11-12 16:34:45,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 251 transitions, 803 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 16:34:45,291 INFO L231 Difference]: Finished difference. Result has 244 places, 251 transitions, 513 flow [2024-11-12 16:34:45,291 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=513, PETRI_PLACES=244, PETRI_TRANSITIONS=251} [2024-11-12 16:34:45,292 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -17 predicate places. [2024-11-12 16:34:45,292 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 251 transitions, 513 flow [2024-11-12 16:34:45,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:45,293 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:45,293 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:34:45,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:34:45,293 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)] === [2024-11-12 16:34:45,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:45,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2032966478, now seen corresponding path program 1 times [2024-11-12 16:34:45,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:45,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264421772] [2024-11-12 16:34:45,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:45,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:45,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:45,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264421772] [2024-11-12 16:34:45,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264421772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:45,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:45,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 16:34:45,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700038029] [2024-11-12 16:34:45,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:45,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:34:45,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:45,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:34:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:34:45,498 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-11-12 16:34:45,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 251 transitions, 513 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:45,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:45,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-11-12 16:34:45,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:46,359 INFO L124 PetriNetUnfolderBase]: 2857/7213 cut-off events. [2024-11-12 16:34:46,359 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 16:34:46,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12578 conditions, 7213 events. 2857/7213 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 56277 event pairs, 2276 based on Foata normal form. 1/4402 useless extension candidates. Maximal degree in co-relation 12573. Up to 5338 conditions per place. [2024-11-12 16:34:46,401 INFO L140 encePairwiseOnDemand]: 315/319 looper letters, 145 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2024-11-12 16:34:46,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 249 transitions, 803 flow [2024-11-12 16:34:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:34:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:34:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-11-12 16:34:46,403 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48798328108672934 [2024-11-12 16:34:46,403 INFO L175 Difference]: Start difference. First operand has 244 places, 251 transitions, 513 flow. Second operand 3 states and 467 transitions. [2024-11-12 16:34:46,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 249 transitions, 803 flow [2024-11-12 16:34:46,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 249 transitions, 799 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 16:34:46,408 INFO L231 Difference]: Finished difference. Result has 242 places, 249 transitions, 509 flow [2024-11-12 16:34:46,408 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=505, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=509, PETRI_PLACES=242, PETRI_TRANSITIONS=249} [2024-11-12 16:34:46,409 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -19 predicate places. [2024-11-12 16:34:46,409 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 249 transitions, 509 flow [2024-11-12 16:34:46,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:46,410 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:46,410 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:34:46,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 16:34:46,410 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)] === [2024-11-12 16:34:46,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:46,411 INFO L85 PathProgramCache]: Analyzing trace with hash -2032968655, now seen corresponding path program 1 times [2024-11-12 16:34:46,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:46,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846453364] [2024-11-12 16:34:46,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:46,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:46,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:46,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846453364] [2024-11-12 16:34:46,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846453364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:46,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:46,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:34:46,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256010512] [2024-11-12 16:34:46,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:46,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:34:46,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:46,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:34:46,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:34:46,463 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 319 [2024-11-12 16:34:46,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 249 transitions, 509 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:46,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:46,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 319 [2024-11-12 16:34:46,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:47,506 INFO L124 PetriNetUnfolderBase]: 2857/7210 cut-off events. [2024-11-12 16:34:47,506 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 16:34:47,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12574 conditions, 7210 events. 2857/7210 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 56287 event pairs, 2276 based on Foata normal form. 1/4399 useless extension candidates. Maximal degree in co-relation 12569. Up to 5338 conditions per place. [2024-11-12 16:34:47,547 INFO L140 encePairwiseOnDemand]: 316/319 looper letters, 144 selfloop transitions, 2 changer transitions 0/246 dead transitions. [2024-11-12 16:34:47,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 246 transitions, 795 flow [2024-11-12 16:34:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:34:47,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:34:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-11-12 16:34:47,549 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49216300940438873 [2024-11-12 16:34:47,550 INFO L175 Difference]: Start difference. First operand has 242 places, 249 transitions, 509 flow. Second operand 3 states and 471 transitions. [2024-11-12 16:34:47,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 246 transitions, 795 flow [2024-11-12 16:34:47,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 246 transitions, 791 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 16:34:47,555 INFO L231 Difference]: Finished difference. Result has 239 places, 246 transitions, 503 flow [2024-11-12 16:34:47,556 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=503, PETRI_PLACES=239, PETRI_TRANSITIONS=246} [2024-11-12 16:34:47,556 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -22 predicate places. [2024-11-12 16:34:47,556 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 246 transitions, 503 flow [2024-11-12 16:34:47,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:47,557 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:47,557 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:47,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 16:34:47,558 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)] === [2024-11-12 16:34:47,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:47,558 INFO L85 PathProgramCache]: Analyzing trace with hash 529406375, now seen corresponding path program 1 times [2024-11-12 16:34:47,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:47,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372483658] [2024-11-12 16:34:47,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:47,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:47,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372483658] [2024-11-12 16:34:47,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372483658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:47,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:47,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:34:47,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642142377] [2024-11-12 16:34:47,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:47,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:34:47,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:47,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:34:47,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:34:47,783 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 319 [2024-11-12 16:34:47,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 246 transitions, 503 flow. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:47,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:47,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 319 [2024-11-12 16:34:47,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:48,667 INFO L124 PetriNetUnfolderBase]: 2857/7209 cut-off events. [2024-11-12 16:34:48,667 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 16:34:48,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12573 conditions, 7209 events. 2857/7209 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 56333 event pairs, 2198 based on Foata normal form. 0/4401 useless extension candidates. Maximal degree in co-relation 12568. Up to 5170 conditions per place. [2024-11-12 16:34:48,698 INFO L140 encePairwiseOnDemand]: 305/319 looper letters, 165 selfloop transitions, 10 changer transitions 0/274 dead transitions. [2024-11-12 16:34:48,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 274 transitions, 909 flow [2024-11-12 16:34:48,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:34:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 16:34:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 704 transitions. [2024-11-12 16:34:48,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4413793103448276 [2024-11-12 16:34:48,703 INFO L175 Difference]: Start difference. First operand has 239 places, 246 transitions, 503 flow. Second operand 5 states and 704 transitions. [2024-11-12 16:34:48,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 274 transitions, 909 flow [2024-11-12 16:34:48,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 274 transitions, 905 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 16:34:48,710 INFO L231 Difference]: Finished difference. Result has 238 places, 246 transitions, 534 flow [2024-11-12 16:34:48,712 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=534, PETRI_PLACES=238, PETRI_TRANSITIONS=246} [2024-11-12 16:34:48,713 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -23 predicate places. [2024-11-12 16:34:48,713 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 246 transitions, 534 flow [2024-11-12 16:34:48,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:48,714 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:48,714 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:48,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:34:48,715 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)] === [2024-11-12 16:34:48,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:48,715 INFO L85 PathProgramCache]: Analyzing trace with hash 529406376, now seen corresponding path program 1 times [2024-11-12 16:34:48,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:48,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493598790] [2024-11-12 16:34:48,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:48,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:48,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:48,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493598790] [2024-11-12 16:34:48,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493598790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:48,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:48,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:34:48,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991349212] [2024-11-12 16:34:48,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:48,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:34:48,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:48,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:34:48,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:34:49,024 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-11-12 16:34:49,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 246 transitions, 534 flow. Second operand has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:49,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:49,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-11-12 16:34:49,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:49,897 INFO L124 PetriNetUnfolderBase]: 2857/7208 cut-off events. [2024-11-12 16:34:49,897 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2024-11-12 16:34:49,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12919 conditions, 7208 events. 2857/7208 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 56315 event pairs, 2273 based on Foata normal form. 0/4574 useless extension candidates. Maximal degree in co-relation 12913. Up to 5341 conditions per place. [2024-11-12 16:34:49,923 INFO L140 encePairwiseOnDemand]: 314/319 looper letters, 141 selfloop transitions, 4 changer transitions 0/245 dead transitions. [2024-11-12 16:34:49,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 245 transitions, 822 flow [2024-11-12 16:34:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:34:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 16:34:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 566 transitions. [2024-11-12 16:34:49,926 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44357366771159873 [2024-11-12 16:34:49,926 INFO L175 Difference]: Start difference. First operand has 238 places, 246 transitions, 534 flow. Second operand 4 states and 566 transitions. [2024-11-12 16:34:49,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 245 transitions, 822 flow [2024-11-12 16:34:49,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 245 transitions, 809 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 16:34:49,939 INFO L231 Difference]: Finished difference. Result has 237 places, 245 transitions, 527 flow [2024-11-12 16:34:49,940 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=527, PETRI_PLACES=237, PETRI_TRANSITIONS=245} [2024-11-12 16:34:49,941 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -24 predicate places. [2024-11-12 16:34:49,941 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 245 transitions, 527 flow [2024-11-12 16:34:49,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:49,942 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:49,942 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:49,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 16:34:49,942 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)] === [2024-11-12 16:34:49,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:49,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1953455503, now seen corresponding path program 1 times [2024-11-12 16:34:49,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:49,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455094842] [2024-11-12 16:34:49,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:49,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:50,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:50,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455094842] [2024-11-12 16:34:50,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455094842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:50,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:50,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:34:50,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8701992] [2024-11-12 16:34:50,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:50,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:34:50,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:50,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:34:50,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:34:50,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-11-12 16:34:50,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 245 transitions, 527 flow. Second operand has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:50,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:50,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-11-12 16:34:50,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:51,026 INFO L124 PetriNetUnfolderBase]: 2857/7207 cut-off events. [2024-11-12 16:34:51,026 INFO L125 PetriNetUnfolderBase]: For 83/83 co-relation queries the response was YES. [2024-11-12 16:34:51,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12831 conditions, 7207 events. 2857/7207 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 56358 event pairs, 2273 based on Foata normal form. 0/4574 useless extension candidates. Maximal degree in co-relation 12825. Up to 5341 conditions per place. [2024-11-12 16:34:51,057 INFO L140 encePairwiseOnDemand]: 314/319 looper letters, 140 selfloop transitions, 4 changer transitions 0/244 dead transitions. [2024-11-12 16:34:51,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 244 transitions, 813 flow [2024-11-12 16:34:51,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:34:51,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 16:34:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 565 transitions. [2024-11-12 16:34:51,060 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4427899686520376 [2024-11-12 16:34:51,060 INFO L175 Difference]: Start difference. First operand has 237 places, 245 transitions, 527 flow. Second operand 4 states and 565 transitions. [2024-11-12 16:34:51,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 244 transitions, 813 flow [2024-11-12 16:34:51,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 244 transitions, 805 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 16:34:51,068 INFO L231 Difference]: Finished difference. Result has 236 places, 244 transitions, 525 flow [2024-11-12 16:34:51,068 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=525, PETRI_PLACES=236, PETRI_TRANSITIONS=244} [2024-11-12 16:34:51,069 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-11-12 16:34:51,069 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 244 transitions, 525 flow [2024-11-12 16:34:51,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:51,070 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:51,070 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:51,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 16:34:51,070 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)] === [2024-11-12 16:34:51,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:51,071 INFO L85 PathProgramCache]: Analyzing trace with hash 370100778, now seen corresponding path program 1 times [2024-11-12 16:34:51,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:51,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848519604] [2024-11-12 16:34:51,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:51,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:51,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:51,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848519604] [2024-11-12 16:34:51,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848519604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:51,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:51,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:34:51,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659199866] [2024-11-12 16:34:51,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:51,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:34:51,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:51,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:34:51,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:34:51,409 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-11-12 16:34:51,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 244 transitions, 525 flow. Second operand has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:51,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:51,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-11-12 16:34:51,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:52,098 INFO L124 PetriNetUnfolderBase]: 2857/7206 cut-off events. [2024-11-12 16:34:52,098 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-11-12 16:34:52,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12829 conditions, 7206 events. 2857/7206 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 56345 event pairs, 2273 based on Foata normal form. 0/4574 useless extension candidates. Maximal degree in co-relation 12823. Up to 5341 conditions per place. [2024-11-12 16:34:52,128 INFO L140 encePairwiseOnDemand]: 314/319 looper letters, 139 selfloop transitions, 4 changer transitions 0/243 dead transitions. [2024-11-12 16:34:52,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 243 transitions, 809 flow [2024-11-12 16:34:52,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:34:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 16:34:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 564 transitions. [2024-11-12 16:34:52,132 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44200626959247646 [2024-11-12 16:34:52,133 INFO L175 Difference]: Start difference. First operand has 236 places, 244 transitions, 525 flow. Second operand 4 states and 564 transitions. [2024-11-12 16:34:52,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 243 transitions, 809 flow [2024-11-12 16:34:52,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 243 transitions, 801 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 16:34:52,141 INFO L231 Difference]: Finished difference. Result has 235 places, 243 transitions, 523 flow [2024-11-12 16:34:52,141 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=523, PETRI_PLACES=235, PETRI_TRANSITIONS=243} [2024-11-12 16:34:52,143 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -26 predicate places. [2024-11-12 16:34:52,143 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 243 transitions, 523 flow [2024-11-12 16:34:52,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:52,144 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:52,144 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:52,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 16:34:52,144 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)] === [2024-11-12 16:34:52,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:52,145 INFO L85 PathProgramCache]: Analyzing trace with hash -815361946, now seen corresponding path program 1 times [2024-11-12 16:34:52,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:52,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111499307] [2024-11-12 16:34:52,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:52,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:52,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:52,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111499307] [2024-11-12 16:34:52,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111499307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:52,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:52,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:34:52,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609585849] [2024-11-12 16:34:52,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:52,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:34:52,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:52,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:34:52,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:34:52,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-11-12 16:34:52,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 243 transitions, 523 flow. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:52,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:52,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-11-12 16:34:52,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:53,252 INFO L124 PetriNetUnfolderBase]: 2857/7205 cut-off events. [2024-11-12 16:34:53,253 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-11-12 16:34:53,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12827 conditions, 7205 events. 2857/7205 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 56312 event pairs, 2273 based on Foata normal form. 0/4574 useless extension candidates. Maximal degree in co-relation 12821. Up to 5341 conditions per place. [2024-11-12 16:34:53,278 INFO L140 encePairwiseOnDemand]: 315/319 looper letters, 139 selfloop transitions, 3 changer transitions 0/242 dead transitions. [2024-11-12 16:34:53,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 242 transitions, 805 flow [2024-11-12 16:34:53,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:34:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 16:34:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 563 transitions. [2024-11-12 16:34:53,281 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44122257053291536 [2024-11-12 16:34:53,282 INFO L175 Difference]: Start difference. First operand has 235 places, 243 transitions, 523 flow. Second operand 4 states and 563 transitions. [2024-11-12 16:34:53,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 242 transitions, 805 flow [2024-11-12 16:34:53,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 242 transitions, 797 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 16:34:53,289 INFO L231 Difference]: Finished difference. Result has 234 places, 242 transitions, 519 flow [2024-11-12 16:34:53,290 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=519, PETRI_PLACES=234, PETRI_TRANSITIONS=242} [2024-11-12 16:34:53,291 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -27 predicate places. [2024-11-12 16:34:53,291 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 242 transitions, 519 flow [2024-11-12 16:34:53,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:53,292 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:53,292 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:53,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 16:34:53,292 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-12 16:34:53,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:53,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1889529234, now seen corresponding path program 1 times [2024-11-12 16:34:53,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:53,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408600139] [2024-11-12 16:34:53,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:53,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:53,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408600139] [2024-11-12 16:34:53,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408600139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:53,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:53,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:34:53,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141301046] [2024-11-12 16:34:53,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:53,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:34:53,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:53,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:34:53,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:34:53,672 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 319 [2024-11-12 16:34:53,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 242 transitions, 519 flow. Second operand has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:53,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:53,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 319 [2024-11-12 16:34:53,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:54,315 INFO L124 PetriNetUnfolderBase]: 2921/7506 cut-off events. [2024-11-12 16:34:54,315 INFO L125 PetriNetUnfolderBase]: For 86/89 co-relation queries the response was YES. [2024-11-12 16:34:54,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13254 conditions, 7506 events. 2921/7506 cut-off events. For 86/89 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 59847 event pairs, 2145 based on Foata normal form. 1/4808 useless extension candidates. Maximal degree in co-relation 13248. Up to 5467 conditions per place. [2024-11-12 16:34:54,351 INFO L140 encePairwiseOnDemand]: 312/319 looper letters, 146 selfloop transitions, 6 changer transitions 0/250 dead transitions. [2024-11-12 16:34:54,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 250 transitions, 839 flow [2024-11-12 16:34:54,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:34:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 16:34:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 574 transitions. [2024-11-12 16:34:54,354 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4498432601880878 [2024-11-12 16:34:54,354 INFO L175 Difference]: Start difference. First operand has 234 places, 242 transitions, 519 flow. Second operand 4 states and 574 transitions. [2024-11-12 16:34:54,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 250 transitions, 839 flow [2024-11-12 16:34:54,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 250 transitions, 833 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 16:34:54,360 INFO L231 Difference]: Finished difference. Result has 236 places, 247 transitions, 555 flow [2024-11-12 16:34:54,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=555, PETRI_PLACES=236, PETRI_TRANSITIONS=247} [2024-11-12 16:34:54,361 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-11-12 16:34:54,361 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 247 transitions, 555 flow [2024-11-12 16:34:54,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:54,362 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:54,362 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:54,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 16:34:54,362 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-12 16:34:54,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:54,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1889529233, now seen corresponding path program 1 times [2024-11-12 16:34:54,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:54,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089947470] [2024-11-12 16:34:54,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:54,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:54,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:54,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089947470] [2024-11-12 16:34:54,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089947470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:54,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:54,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:34:54,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971550664] [2024-11-12 16:34:54,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:54,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:34:54,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:54,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:34:54,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:34:54,490 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 319 [2024-11-12 16:34:54,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 247 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:54,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:54,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 319 [2024-11-12 16:34:54,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:55,281 INFO L124 PetriNetUnfolderBase]: 2930/7610 cut-off events. [2024-11-12 16:34:55,281 INFO L125 PetriNetUnfolderBase]: For 274/274 co-relation queries the response was YES. [2024-11-12 16:34:55,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13673 conditions, 7610 events. 2930/7610 cut-off events. For 274/274 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 61562 event pairs, 2085 based on Foata normal form. 0/4929 useless extension candidates. Maximal degree in co-relation 13665. Up to 5166 conditions per place. [2024-11-12 16:34:55,305 INFO L140 encePairwiseOnDemand]: 312/319 looper letters, 273 selfloop transitions, 6 changer transitions 0/375 dead transitions. [2024-11-12 16:34:55,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 375 transitions, 1396 flow [2024-11-12 16:34:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:34:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:34:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2024-11-12 16:34:55,307 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6102403343782654 [2024-11-12 16:34:55,307 INFO L175 Difference]: Start difference. First operand has 236 places, 247 transitions, 555 flow. Second operand 3 states and 584 transitions. [2024-11-12 16:34:55,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 375 transitions, 1396 flow [2024-11-12 16:34:55,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 375 transitions, 1396 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 16:34:55,314 INFO L231 Difference]: Finished difference. Result has 240 places, 251 transitions, 601 flow [2024-11-12 16:34:55,315 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=240, PETRI_TRANSITIONS=251} [2024-11-12 16:34:55,315 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -21 predicate places. [2024-11-12 16:34:55,316 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 251 transitions, 601 flow [2024-11-12 16:34:55,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:55,316 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:55,316 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:55,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 16:34:55,317 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-12 16:34:55,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:55,317 INFO L85 PathProgramCache]: Analyzing trace with hash 557632356, now seen corresponding path program 1 times [2024-11-12 16:34:55,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:55,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90918028] [2024-11-12 16:34:55,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:55,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:55,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:55,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90918028] [2024-11-12 16:34:55,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90918028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:55,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:55,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:34:55,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308449862] [2024-11-12 16:34:55,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:55,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:34:55,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:55,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:34:55,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:34:55,668 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 319 [2024-11-12 16:34:55,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 251 transitions, 601 flow. Second operand has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:55,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:55,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 319 [2024-11-12 16:34:55,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:34:56,578 INFO L124 PetriNetUnfolderBase]: 2912/7616 cut-off events. [2024-11-12 16:34:56,578 INFO L125 PetriNetUnfolderBase]: For 816/822 co-relation queries the response was YES. [2024-11-12 16:34:56,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13921 conditions, 7616 events. 2912/7616 cut-off events. For 816/822 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 61167 event pairs, 2043 based on Foata normal form. 3/4946 useless extension candidates. Maximal degree in co-relation 13911. Up to 4970 conditions per place. [2024-11-12 16:34:56,595 INFO L140 encePairwiseOnDemand]: 313/319 looper letters, 300 selfloop transitions, 7 changer transitions 0/405 dead transitions. [2024-11-12 16:34:56,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 405 transitions, 1553 flow [2024-11-12 16:34:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:34:56,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 16:34:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 819 transitions. [2024-11-12 16:34:56,598 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5134796238244514 [2024-11-12 16:34:56,598 INFO L175 Difference]: Start difference. First operand has 240 places, 251 transitions, 601 flow. Second operand 5 states and 819 transitions. [2024-11-12 16:34:56,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 405 transitions, 1553 flow [2024-11-12 16:34:56,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 405 transitions, 1539 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 16:34:56,607 INFO L231 Difference]: Finished difference. Result has 245 places, 254 transitions, 637 flow [2024-11-12 16:34:56,608 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=637, PETRI_PLACES=245, PETRI_TRANSITIONS=254} [2024-11-12 16:34:56,608 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -16 predicate places. [2024-11-12 16:34:56,609 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 254 transitions, 637 flow [2024-11-12 16:34:56,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:56,609 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:34:56,609 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:34:56,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 16:34:56,610 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 122 more)] === [2024-11-12 16:34:56,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:34:56,610 INFO L85 PathProgramCache]: Analyzing trace with hash 557632357, now seen corresponding path program 1 times [2024-11-12 16:34:56,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:34:56,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884825641] [2024-11-12 16:34:56,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:34:56,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:34:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:34:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:34:57,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:34:57,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884825641] [2024-11-12 16:34:57,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884825641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:34:57,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:34:57,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 16:34:57,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278987171] [2024-11-12 16:34:57,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:34:57,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 16:34:57,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:34:57,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 16:34:57,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:34:58,375 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 319 [2024-11-12 16:34:58,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 254 transitions, 637 flow. Second operand has 9 states, 9 states have (on average 104.77777777777777) internal successors, (943), 9 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:34:58,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:34:58,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 319 [2024-11-12 16:34:58,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:35:01,271 INFO L124 PetriNetUnfolderBase]: 5713/14254 cut-off events. [2024-11-12 16:35:01,271 INFO L125 PetriNetUnfolderBase]: For 2559/2566 co-relation queries the response was YES. [2024-11-12 16:35:01,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26467 conditions, 14254 events. 5713/14254 cut-off events. For 2559/2566 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 125567 event pairs, 3622 based on Foata normal form. 185/9270 useless extension candidates. Maximal degree in co-relation 26455. Up to 5061 conditions per place. [2024-11-12 16:35:01,344 INFO L140 encePairwiseOnDemand]: 307/319 looper letters, 649 selfloop transitions, 31 changer transitions 1/778 dead transitions. [2024-11-12 16:35:01,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 778 transitions, 3161 flow [2024-11-12 16:35:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 16:35:01,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-12 16:35:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2221 transitions. [2024-11-12 16:35:01,358 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4641588296760711 [2024-11-12 16:35:01,358 INFO L175 Difference]: Start difference. First operand has 245 places, 254 transitions, 637 flow. Second operand 15 states and 2221 transitions. [2024-11-12 16:35:01,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 778 transitions, 3161 flow [2024-11-12 16:35:01,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 778 transitions, 3155 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-12 16:35:01,377 INFO L231 Difference]: Finished difference. Result has 265 places, 273 transitions, 828 flow [2024-11-12 16:35:01,377 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=828, PETRI_PLACES=265, PETRI_TRANSITIONS=273} [2024-11-12 16:35:01,378 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, 4 predicate places. [2024-11-12 16:35:01,378 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 273 transitions, 828 flow [2024-11-12 16:35:01,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 104.77777777777777) internal successors, (943), 9 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:35:01,379 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:35:01,379 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:35:01,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 16:35:01,379 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)] === [2024-11-12 16:35:01,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:35:01,380 INFO L85 PathProgramCache]: Analyzing trace with hash 105371182, now seen corresponding path program 1 times [2024-11-12 16:35:01,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:35:01,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615130329] [2024-11-12 16:35:01,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:35:01,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:35:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:35:01,443 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 16:35:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:35:01,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 16:35:01,535 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 16:35:01,536 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (124 of 125 remaining) [2024-11-12 16:35:01,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 125 remaining) [2024-11-12 16:35:01,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 125 remaining) [2024-11-12 16:35:01,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (121 of 125 remaining) [2024-11-12 16:35:01,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 125 remaining) [2024-11-12 16:35:01,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 125 remaining) [2024-11-12 16:35:01,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (118 of 125 remaining) [2024-11-12 16:35:01,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 125 remaining) [2024-11-12 16:35:01,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 125 remaining) [2024-11-12 16:35:01,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 125 remaining) [2024-11-12 16:35:01,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 125 remaining) [2024-11-12 16:35:01,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 125 remaining) [2024-11-12 16:35:01,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 125 remaining) [2024-11-12 16:35:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 125 remaining) [2024-11-12 16:35:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 125 remaining) [2024-11-12 16:35:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 125 remaining) [2024-11-12 16:35:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 125 remaining) [2024-11-12 16:35:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 125 remaining) [2024-11-12 16:35:01,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 125 remaining) [2024-11-12 16:35:01,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 125 remaining) [2024-11-12 16:35:01,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 125 remaining) [2024-11-12 16:35:01,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 125 remaining) [2024-11-12 16:35:01,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 125 remaining) [2024-11-12 16:35:01,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK (93 of 125 remaining) [2024-11-12 16:35:01,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 125 remaining) [2024-11-12 16:35:01,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 125 remaining) [2024-11-12 16:35:01,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 125 remaining) [2024-11-12 16:35:01,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 125 remaining) [2024-11-12 16:35:01,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 125 remaining) [2024-11-12 16:35:01,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 125 remaining) [2024-11-12 16:35:01,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK (86 of 125 remaining) [2024-11-12 16:35:01,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 125 remaining) [2024-11-12 16:35:01,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 125 remaining) [2024-11-12 16:35:01,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 125 remaining) [2024-11-12 16:35:01,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 125 remaining) [2024-11-12 16:35:01,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK (81 of 125 remaining) [2024-11-12 16:35:01,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 125 remaining) [2024-11-12 16:35:01,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 125 remaining) [2024-11-12 16:35:01,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 125 remaining) [2024-11-12 16:35:01,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 125 remaining) [2024-11-12 16:35:01,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 125 remaining) [2024-11-12 16:35:01,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 125 remaining) [2024-11-12 16:35:01,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 125 remaining) [2024-11-12 16:35:01,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 125 remaining) [2024-11-12 16:35:01,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 125 remaining) [2024-11-12 16:35:01,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 125 remaining) [2024-11-12 16:35:01,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 125 remaining) [2024-11-12 16:35:01,552 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 125 remaining) [2024-11-12 16:35:01,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 125 remaining) [2024-11-12 16:35:01,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 125 remaining) [2024-11-12 16:35:01,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK (66 of 125 remaining) [2024-11-12 16:35:01,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 125 remaining) [2024-11-12 16:35:01,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 125 remaining) [2024-11-12 16:35:01,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 125 remaining) [2024-11-12 16:35:01,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 125 remaining) [2024-11-12 16:35:01,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 125 remaining) [2024-11-12 16:35:01,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 125 remaining) [2024-11-12 16:35:01,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 125 remaining) [2024-11-12 16:35:01,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 125 remaining) [2024-11-12 16:35:01,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 125 remaining) [2024-11-12 16:35:01,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 125 remaining) [2024-11-12 16:35:01,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 125 remaining) [2024-11-12 16:35:01,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 125 remaining) [2024-11-12 16:35:01,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 125 remaining) [2024-11-12 16:35:01,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 125 remaining) [2024-11-12 16:35:01,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK (49 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK (46 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 125 remaining) [2024-11-12 16:35:01,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 125 remaining) [2024-11-12 16:35:01,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 125 remaining) [2024-11-12 16:35:01,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 125 remaining) [2024-11-12 16:35:01,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 125 remaining) [2024-11-12 16:35:01,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 125 remaining) [2024-11-12 16:35:01,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 125 remaining) [2024-11-12 16:35:01,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 125 remaining) [2024-11-12 16:35:01,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 125 remaining) [2024-11-12 16:35:01,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 125 remaining) [2024-11-12 16:35:01,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 125 remaining) [2024-11-12 16:35:01,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 125 remaining) [2024-11-12 16:35:01,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 125 remaining) [2024-11-12 16:35:01,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 125 remaining) [2024-11-12 16:35:01,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 125 remaining) [2024-11-12 16:35:01,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 125 remaining) [2024-11-12 16:35:01,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 125 remaining) [2024-11-12 16:35:01,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 125 remaining) [2024-11-12 16:35:01,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 125 remaining) [2024-11-12 16:35:01,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 125 remaining) [2024-11-12 16:35:01,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 125 remaining) [2024-11-12 16:35:01,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 125 remaining) [2024-11-12 16:35:01,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 125 remaining) [2024-11-12 16:35:01,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 125 remaining) [2024-11-12 16:35:01,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 125 remaining) [2024-11-12 16:35:01,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 125 remaining) [2024-11-12 16:35:01,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 125 remaining) [2024-11-12 16:35:01,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 125 remaining) [2024-11-12 16:35:01,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 125 remaining) [2024-11-12 16:35:01,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 125 remaining) [2024-11-12 16:35:01,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 125 remaining) [2024-11-12 16:35:01,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 125 remaining) [2024-11-12 16:35:01,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 125 remaining) [2024-11-12 16:35:01,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 16:35:01,564 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:35:01,570 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-12 16:35:01,570 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-12 16:35:01,659 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 16:35:01,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 367 transitions, 750 flow [2024-11-12 16:35:01,765 INFO L124 PetriNetUnfolderBase]: 209/1042 cut-off events. [2024-11-12 16:35:01,766 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-12 16:35:01,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 1042 events. 209/1042 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6211 event pairs, 0 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 546. Up to 12 conditions per place. [2024-11-12 16:35:01,775 INFO L82 GeneralOperation]: Start removeDead. Operand has 305 places, 367 transitions, 750 flow [2024-11-12 16:35:01,786 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 367 transitions, 750 flow [2024-11-12 16:35:01,788 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:35:01,788 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;@537b6422, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:35:01,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 145 error locations. [2024-11-12 16:35:01,790 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 16:35:01,790 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-11-12 16:35:01,790 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:35:01,790 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:35:01,791 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-12 16:35:01,791 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)] === [2024-11-12 16:35:01,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:35:01,791 INFO L85 PathProgramCache]: Analyzing trace with hash 80689065, now seen corresponding path program 1 times [2024-11-12 16:35:01,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:35:01,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991752365] [2024-11-12 16:35:01,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:35:01,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:35:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:35:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:35:01,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:35:01,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991752365] [2024-11-12 16:35:01,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991752365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:35:01,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:35:01,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:35:01,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497997283] [2024-11-12 16:35:01,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:35:01,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 16:35:01,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:35:01,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 16:35:01,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 16:35:01,804 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 367 [2024-11-12 16:35:01,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 367 transitions, 750 flow. Second operand has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:35:01,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:35:01,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 367 [2024-11-12 16:35:01,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:35:24,261 INFO L124 PetriNetUnfolderBase]: 154637/273967 cut-off events. [2024-11-12 16:35:24,261 INFO L125 PetriNetUnfolderBase]: For 230/235 co-relation queries the response was YES. [2024-11-12 16:35:24,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498316 conditions, 273967 events. 154637/273967 cut-off events. For 230/235 co-relation queries the response was YES. Maximal size of possible extension queue 4139. Compared 2792944 event pairs, 128404 based on Foata normal form. 22185/186907 useless extension candidates. Maximal degree in co-relation 468387. Up to 224211 conditions per place. [2024-11-12 16:35:25,753 INFO L140 encePairwiseOnDemand]: 308/367 looper letters, 179 selfloop transitions, 0 changer transitions 0/301 dead transitions. [2024-11-12 16:35:25,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 301 transitions, 976 flow [2024-11-12 16:35:25,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 16:35:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 16:35:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 482 transitions. [2024-11-12 16:35:25,755 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6566757493188011 [2024-11-12 16:35:25,755 INFO L175 Difference]: Start difference. First operand has 305 places, 367 transitions, 750 flow. Second operand 2 states and 482 transitions. [2024-11-12 16:35:25,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 301 transitions, 976 flow [2024-11-12 16:35:25,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 301 transitions, 976 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 16:35:25,761 INFO L231 Difference]: Finished difference. Result has 289 places, 301 transitions, 618 flow [2024-11-12 16:35:25,761 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=618, PETRI_PLACES=289, PETRI_TRANSITIONS=301} [2024-11-12 16:35:25,762 INFO L279 CegarLoopForPetriNet]: 305 programPoint places, -16 predicate places. [2024-11-12 16:35:25,762 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 301 transitions, 618 flow [2024-11-12 16:35:25,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:35:25,762 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:35:25,762 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-12 16:35:25,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 16:35:25,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 142 more)] === [2024-11-12 16:35:25,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:35:25,763 INFO L85 PathProgramCache]: Analyzing trace with hash 80683886, now seen corresponding path program 1 times [2024-11-12 16:35:25,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:35:25,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183510339] [2024-11-12 16:35:25,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:35:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:35:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:35:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:35:25,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:35:25,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183510339] [2024-11-12 16:35:25,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183510339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:35:25,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:35:25,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:35:25,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260695804] [2024-11-12 16:35:25,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:35:25,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:35:25,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:35:25,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:35:25,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:35:25,793 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 367 [2024-11-12 16:35:25,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 301 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:35:25,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:35:25,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 367 [2024-11-12 16:35:25,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand