./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-races/race-2_3-container_of.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 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:23:29,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:23:29,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 03:23:29,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:23:29,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:23:29,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:23:29,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:23:29,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:23:29,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:23:29,717 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:23:29,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:23:29,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:23:29,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:23:29,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:23:29,723 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:23:29,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:23:29,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:23:29,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:23:29,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:23:29,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:23:29,724 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 03:23:29,726 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 03:23:29,726 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 03:23:29,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:23:29,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 03:23:29,727 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:23:29,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:23:29,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:23:29,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:23:29,728 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:23:29,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:23:29,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:23:29,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:23:29,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:23:29,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:23:29,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:23:29,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:23:29,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:23:29,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:23:29,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:23:29,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:23:29,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:23:29,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-11-17 03:23:29,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:23:30,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:23:30,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:23:30,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:23:30,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:23:30,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-17 03:23:31,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:23:31,744 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:23:31,748 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-17 03:23:31,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d6ad2e2/991d2906ffc94958826cb0989703ac02/FLAGde41f7430 [2024-11-17 03:23:32,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d6ad2e2/991d2906ffc94958826cb0989703ac02 [2024-11-17 03:23:32,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:23:32,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:23:32,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:23:32,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:23:32,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:23:32,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:23:32" (1/1) ... [2024-11-17 03:23:32,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2751c614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:32, skipping insertion in model container [2024-11-17 03:23:32,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:23:32" (1/1) ... [2024-11-17 03:23:32,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:23:32,562 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:32,578 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:32,589 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:32,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:23:32,625 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-17 03:23:32,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c3f3239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:32, skipping insertion in model container [2024-11-17 03:23:32,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:23:32,627 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-17 03:23:32,629 INFO L158 Benchmark]: Toolchain (without parser) took 592.17ms. Allocated memory is still 184.5MB. Free memory was 120.2MB in the beginning and 96.9MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-17 03:23:32,630 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:23:32,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.92ms. Allocated memory is still 184.5MB. Free memory was 119.9MB in the beginning and 96.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 03:23:32,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.92ms. Allocated memory is still 184.5MB. Free memory was 119.9MB in the beginning and 96.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3904]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/ldv-races/race-2_3-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:23:34,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:23:34,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-17 03:23:34,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:23:34,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:23:34,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:23:34,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:23:34,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:23:34,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:23:34,711 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:23:34,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:23:34,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:23:34,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:23:34,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:23:34,713 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:23:34,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:23:34,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:23:34,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:23:34,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:23:34,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:23:34,714 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 03:23:34,716 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 03:23:34,716 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 03:23:34,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:23:34,717 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 03:23:34,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 03:23:34,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:23:34,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 03:23:34,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:23:34,718 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:23:34,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:23:34,718 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:23:34,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:23:34,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:23:34,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:23:34,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:23:34,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:23:34,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:23:34,722 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 03:23:34,722 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 03:23:34,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:23:34,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:23:34,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:23:34,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:23:34,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-11-17 03:23:35,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:23:35,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:23:35,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:23:35,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:23:35,079 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:23:35,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-17 03:23:36,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:23:37,016 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:23:37,017 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-17 03:23:37,062 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2511ebca/6e92721696484d478ba9943d819641db/FLAG9348f1559 [2024-11-17 03:23:37,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2511ebca/6e92721696484d478ba9943d819641db [2024-11-17 03:23:37,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:23:37,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:23:37,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:23:37,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:23:37,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:23:37,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:37,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24675713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37, skipping insertion in model container [2024-11-17 03:23:37,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:37,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:23:37,571 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:37,588 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:37,598 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:37,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:23:37,635 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-17 03:23:37,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:23:37,722 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:37,729 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:37,731 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:23:37,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:23:37,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:23:37,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:23:37,879 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:23:37,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37 WrapperNode [2024-11-17 03:23:37,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:23:37,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:23:37,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:23:37,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:23:37,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:37,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:37,965 INFO L138 Inliner]: procedures = 251, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 152 [2024-11-17 03:23:37,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:23:37,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:23:37,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:23:37,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:23:37,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:37,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:37,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:38,006 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 15, 2]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 8, 2]. [2024-11-17 03:23:38,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:38,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:38,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:38,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:38,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:38,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:38,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:23:38,055 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:23:38,055 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:23:38,055 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:23:38,056 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (1/1) ... [2024-11-17 03:23:38,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:23:38,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:23:38,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:23:38,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:23:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-17 03:23:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-17 03:23:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-17 03:23:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-17 03:23:38,157 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-17 03:23:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 03:23:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:23:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:23:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-17 03:23:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-17 03:23:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-17 03:23:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-17 03:23:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-17 03:23:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-17 03:23:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 03:23:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-17 03:23:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-17 03:23:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:23:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 03:23:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 03:23:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 03:23:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:23:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:23:38,161 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 03:23:38,493 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:23:38,495 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:23:39,076 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 03:23:39,076 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:23:39,253 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:23:39,254 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:23:39,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:23:39 BoogieIcfgContainer [2024-11-17 03:23:39,254 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:23:39,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:23:39,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:23:39,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:23:39,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:23:37" (1/3) ... [2024-11-17 03:23:39,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0aa79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:23:39, skipping insertion in model container [2024-11-17 03:23:39,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:23:37" (2/3) ... [2024-11-17 03:23:39,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0aa79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:23:39, skipping insertion in model container [2024-11-17 03:23:39,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:23:39" (3/3) ... [2024-11-17 03:23:39,262 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2024-11-17 03:23:39,279 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:23:39,279 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-11-17 03:23:39,279 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 03:23:39,357 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-17 03:23:39,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 125 transitions, 264 flow [2024-11-17 03:23:39,476 INFO L124 PetriNetUnfolderBase]: 14/158 cut-off events. [2024-11-17 03:23:39,477 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-17 03:23:39,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 158 events. 14/158 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 519 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 84. Up to 4 conditions per place. [2024-11-17 03:23:39,483 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 125 transitions, 264 flow [2024-11-17 03:23:39,489 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 123 transitions, 258 flow [2024-11-17 03:23:39,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:23:39,510 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;@2ce81219, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:23:39,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-11-17 03:23:39,515 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 03:23:39,515 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-17 03:23:39,515 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:23:39,516 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:39,518 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-17 03:23:39,518 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:39,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:39,523 INFO L85 PathProgramCache]: Analyzing trace with hash 561058, now seen corresponding path program 1 times [2024-11-17 03:23:39,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:39,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514875112] [2024-11-17 03:23:39,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:39,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:39,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:39,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:39,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-17 03:23:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:39,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:23:39,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:39,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-17 03:23:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:39,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:39,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:39,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514875112] [2024-11-17 03:23:39,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514875112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:39,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:39,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:23:39,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516408969] [2024-11-17 03:23:39,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:39,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:23:39,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:39,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:23:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:23:39,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 125 [2024-11-17 03:23:39,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 123 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:39,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:39,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 125 [2024-11-17 03:23:39,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:42,329 INFO L124 PetriNetUnfolderBase]: 8231/16511 cut-off events. [2024-11-17 03:23:42,332 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-17 03:23:42,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29378 conditions, 16511 events. 8231/16511 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 586. Compared 149349 event pairs, 4199 based on Foata normal form. 792/10969 useless extension candidates. Maximal degree in co-relation 29136. Up to 6584 conditions per place. [2024-11-17 03:23:42,452 INFO L140 encePairwiseOnDemand]: 109/125 looper letters, 91 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-11-17 03:23:42,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 131 transitions, 460 flow [2024-11-17 03:23:42,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:23:42,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:23:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2024-11-17 03:23:42,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6053333333333333 [2024-11-17 03:23:42,467 INFO L175 Difference]: Start difference. First operand has 119 places, 123 transitions, 258 flow. Second operand 3 states and 227 transitions. [2024-11-17 03:23:42,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 131 transitions, 460 flow [2024-11-17 03:23:42,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 131 transitions, 452 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 03:23:42,478 INFO L231 Difference]: Finished difference. Result has 107 places, 105 transitions, 218 flow [2024-11-17 03:23:42,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=107, PETRI_TRANSITIONS=105} [2024-11-17 03:23:42,485 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -12 predicate places. [2024-11-17 03:23:42,485 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 105 transitions, 218 flow [2024-11-17 03:23:42,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:42,486 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:42,486 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-17 03:23:42,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-17 03:23:42,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:42,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:42,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:42,692 INFO L85 PathProgramCache]: Analyzing trace with hash 561059, now seen corresponding path program 1 times [2024-11-17 03:23:42,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:42,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772142373] [2024-11-17 03:23:42,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:42,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:42,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:42,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:42,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-17 03:23:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:42,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:23:42,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:42,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 03:23:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:42,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:42,849 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:42,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [772142373] [2024-11-17 03:23:42,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [772142373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:42,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:42,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:23:42,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184594819] [2024-11-17 03:23:42,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:42,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:23:42,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:42,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:23:42,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:23:42,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 125 [2024-11-17 03:23:42,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 105 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:42,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:42,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 125 [2024-11-17 03:23:42,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:44,621 INFO L124 PetriNetUnfolderBase]: 6775/14263 cut-off events. [2024-11-17 03:23:44,621 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-17 03:23:44,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25056 conditions, 14263 events. 6775/14263 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 586. Compared 132742 event pairs, 2743 based on Foata normal form. 1/9395 useless extension candidates. Maximal degree in co-relation 8798. Up to 6235 conditions per place. [2024-11-17 03:23:44,719 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 86 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2024-11-17 03:23:44,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 125 transitions, 434 flow [2024-11-17 03:23:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:23:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:23:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2024-11-17 03:23:44,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5786666666666667 [2024-11-17 03:23:44,728 INFO L175 Difference]: Start difference. First operand has 107 places, 105 transitions, 218 flow. Second operand 3 states and 217 transitions. [2024-11-17 03:23:44,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 125 transitions, 434 flow [2024-11-17 03:23:44,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 125 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:23:44,741 INFO L231 Difference]: Finished difference. Result has 101 places, 99 transitions, 206 flow [2024-11-17 03:23:44,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=101, PETRI_TRANSITIONS=99} [2024-11-17 03:23:44,742 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2024-11-17 03:23:44,742 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 99 transitions, 206 flow [2024-11-17 03:23:44,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:44,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:44,743 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-17 03:23:44,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-17 03:23:44,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:44,944 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:44,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:44,945 INFO L85 PathProgramCache]: Analyzing trace with hash 17391135, now seen corresponding path program 1 times [2024-11-17 03:23:44,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:44,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13079845] [2024-11-17 03:23:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:44,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:44,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:44,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:44,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-17 03:23:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:45,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:23:45,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:45,044 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:45,044 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:45,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13079845] [2024-11-17 03:23:45,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13079845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:45,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:45,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:23:45,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738817883] [2024-11-17 03:23:45,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:45,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:23:45,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:45,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:23:45,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:23:45,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 125 [2024-11-17 03:23:45,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 99 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:45,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:45,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 125 [2024-11-17 03:23:45,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:46,234 INFO L124 PetriNetUnfolderBase]: 6774/12554 cut-off events. [2024-11-17 03:23:46,234 INFO L125 PetriNetUnfolderBase]: For 201/201 co-relation queries the response was YES. [2024-11-17 03:23:46,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23347 conditions, 12554 events. 6774/12554 cut-off events. For 201/201 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 100530 event pairs, 6409 based on Foata normal form. 1/8335 useless extension candidates. Maximal degree in co-relation 8798. Up to 10016 conditions per place. [2024-11-17 03:23:46,300 INFO L140 encePairwiseOnDemand]: 122/125 looper letters, 86 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2024-11-17 03:23:46,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 124 transitions, 432 flow [2024-11-17 03:23:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:23:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:23:46,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2024-11-17 03:23:46,303 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5733333333333334 [2024-11-17 03:23:46,303 INFO L175 Difference]: Start difference. First operand has 101 places, 99 transitions, 206 flow. Second operand 3 states and 215 transitions. [2024-11-17 03:23:46,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 124 transitions, 432 flow [2024-11-17 03:23:46,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 124 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:23:46,311 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 204 flow [2024-11-17 03:23:46,312 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2024-11-17 03:23:46,313 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2024-11-17 03:23:46,314 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 204 flow [2024-11-17 03:23:46,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:46,316 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:46,316 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:23:46,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:23:46,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:46,517 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:46,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:46,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1000769503, now seen corresponding path program 1 times [2024-11-17 03:23:46,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:46,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142430818] [2024-11-17 03:23:46,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:46,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:46,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:46,521 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:46,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-17 03:23:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:46,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:23:46,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:46,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-17 03:23:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:46,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:46,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:46,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142430818] [2024-11-17 03:23:46,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142430818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:46,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:46,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:23:46,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206965872] [2024-11-17 03:23:46,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:46,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:23:46,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:46,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:23:46,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:23:46,737 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 125 [2024-11-17 03:23:46,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:46,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:46,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 125 [2024-11-17 03:23:46,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:47,770 INFO L124 PetriNetUnfolderBase]: 7502/13201 cut-off events. [2024-11-17 03:23:47,770 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-17 03:23:47,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25117 conditions, 13201 events. 7502/13201 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 100068 event pairs, 6409 based on Foata normal form. 0/9165 useless extension candidates. Maximal degree in co-relation 23792. Up to 10014 conditions per place. [2024-11-17 03:23:47,838 INFO L140 encePairwiseOnDemand]: 116/125 looper letters, 87 selfloop transitions, 4 changer transitions 0/119 dead transitions. [2024-11-17 03:23:47,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 119 transitions, 428 flow [2024-11-17 03:23:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:23:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:23:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2024-11-17 03:23:47,840 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.536 [2024-11-17 03:23:47,840 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 204 flow. Second operand 3 states and 201 transitions. [2024-11-17 03:23:47,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 119 transitions, 428 flow [2024-11-17 03:23:47,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 119 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:23:47,852 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 198 flow [2024-11-17 03:23:47,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2024-11-17 03:23:47,856 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -23 predicate places. [2024-11-17 03:23:47,856 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 198 flow [2024-11-17 03:23:47,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:47,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:47,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:23:47,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-17 03:23:48,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:48,057 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:48,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:48,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1000769504, now seen corresponding path program 1 times [2024-11-17 03:23:48,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:48,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985080255] [2024-11-17 03:23:48,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:48,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:48,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:48,061 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:48,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-17 03:23:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:48,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:23:48,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:48,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 03:23:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:48,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:48,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:48,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1985080255] [2024-11-17 03:23:48,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1985080255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:48,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:48,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:23:48,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376219427] [2024-11-17 03:23:48,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:48,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:23:48,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:48,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:23:48,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:23:48,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 125 [2024-11-17 03:23:48,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:48,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:48,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 125 [2024-11-17 03:23:48,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:49,577 INFO L124 PetriNetUnfolderBase]: 6774/11940 cut-off events. [2024-11-17 03:23:49,577 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2024-11-17 03:23:49,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22749 conditions, 11940 events. 6774/11940 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 89319 event pairs, 5291 based on Foata normal form. 394/8587 useless extension candidates. Maximal degree in co-relation 18923. Up to 8270 conditions per place. [2024-11-17 03:23:49,650 INFO L140 encePairwiseOnDemand]: 118/125 looper letters, 98 selfloop transitions, 3 changer transitions 0/126 dead transitions. [2024-11-17 03:23:49,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 126 transitions, 468 flow [2024-11-17 03:23:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:23:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:23:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2024-11-17 03:23:49,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.576 [2024-11-17 03:23:49,652 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 198 flow. Second operand 3 states and 216 transitions. [2024-11-17 03:23:49,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 126 transitions, 468 flow [2024-11-17 03:23:49,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 126 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:23:49,668 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 211 flow [2024-11-17 03:23:49,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=97, PETRI_TRANSITIONS=94} [2024-11-17 03:23:49,669 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -22 predicate places. [2024-11-17 03:23:49,669 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 211 flow [2024-11-17 03:23:49,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:49,670 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:49,670 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:23:49,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-17 03:23:49,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:49,871 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:49,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:49,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1063653120, now seen corresponding path program 1 times [2024-11-17 03:23:49,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:49,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950882194] [2024-11-17 03:23:49,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:49,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:49,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:49,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-17 03:23:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:50,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 03:23:50,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:50,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 03:23:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:50,144 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:50,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:50,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950882194] [2024-11-17 03:23:50,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950882194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:50,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:50,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:23:50,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828688100] [2024-11-17 03:23:50,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:50,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:23:50,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:50,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:23:50,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:23:50,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-11-17 03:23:50,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 94 transitions, 211 flow. Second operand has 5 states, 5 states have (on average 44.6) internal successors, (223), 5 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:50,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:50,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-11-17 03:23:50,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:51,839 INFO L124 PetriNetUnfolderBase]: 5310/10083 cut-off events. [2024-11-17 03:23:51,840 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2024-11-17 03:23:51,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19083 conditions, 10083 events. 5310/10083 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 78004 event pairs, 91 based on Foata normal form. 0/7624 useless extension candidates. Maximal degree in co-relation 14439. Up to 4100 conditions per place. [2024-11-17 03:23:51,884 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 155 selfloop transitions, 9 changer transitions 2/197 dead transitions. [2024-11-17 03:23:51,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 197 transitions, 762 flow [2024-11-17 03:23:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:23:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 03:23:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 472 transitions. [2024-11-17 03:23:51,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5394285714285715 [2024-11-17 03:23:51,887 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 211 flow. Second operand 7 states and 472 transitions. [2024-11-17 03:23:51,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 197 transitions, 762 flow [2024-11-17 03:23:51,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 197 transitions, 755 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 03:23:51,906 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 257 flow [2024-11-17 03:23:51,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=257, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2024-11-17 03:23:51,907 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -15 predicate places. [2024-11-17 03:23:51,907 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 257 flow [2024-11-17 03:23:51,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.6) internal successors, (223), 5 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:51,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:51,908 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:23:51,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-17 03:23:52,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:52,109 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:52,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:52,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1063653119, now seen corresponding path program 1 times [2024-11-17 03:23:52,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:52,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755900072] [2024-11-17 03:23:52,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:52,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:52,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:52,114 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:52,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-17 03:23:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:52,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 03:23:52,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:52,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-17 03:23:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:52,290 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:52,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:52,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755900072] [2024-11-17 03:23:52,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755900072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:52,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:52,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:23:52,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463610881] [2024-11-17 03:23:52,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:52,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:23:52,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:52,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:23:52,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:23:52,455 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-11-17 03:23:52,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 257 flow. Second operand has 5 states, 5 states have (on average 44.6) internal successors, (223), 5 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:52,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:52,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-11-17 03:23:52,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:53,380 INFO L124 PetriNetUnfolderBase]: 4301/8185 cut-off events. [2024-11-17 03:23:53,380 INFO L125 PetriNetUnfolderBase]: For 1180/1195 co-relation queries the response was YES. [2024-11-17 03:23:53,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16086 conditions, 8185 events. 4301/8185 cut-off events. For 1180/1195 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 60443 event pairs, 175 based on Foata normal form. 12/6740 useless extension candidates. Maximal degree in co-relation 10852. Up to 2432 conditions per place. [2024-11-17 03:23:53,406 INFO L140 encePairwiseOnDemand]: 113/125 looper letters, 161 selfloop transitions, 14 changer transitions 0/206 dead transitions. [2024-11-17 03:23:53,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 206 transitions, 829 flow [2024-11-17 03:23:53,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:23:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 03:23:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 525 transitions. [2024-11-17 03:23:53,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.525 [2024-11-17 03:23:53,408 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 257 flow. Second operand 8 states and 525 transitions. [2024-11-17 03:23:53,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 206 transitions, 829 flow [2024-11-17 03:23:53,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 206 transitions, 829 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-17 03:23:53,431 INFO L231 Difference]: Finished difference. Result has 116 places, 105 transitions, 352 flow [2024-11-17 03:23:53,431 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=352, PETRI_PLACES=116, PETRI_TRANSITIONS=105} [2024-11-17 03:23:53,432 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -3 predicate places. [2024-11-17 03:23:53,432 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 105 transitions, 352 flow [2024-11-17 03:23:53,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.6) internal successors, (223), 5 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:53,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:53,433 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:23:53,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-17 03:23:53,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:53,633 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:53,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:53,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1036032767, now seen corresponding path program 1 times [2024-11-17 03:23:53,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:53,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885455485] [2024-11-17 03:23:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:53,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:53,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:53,638 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:53,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-17 03:23:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:53,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 03:23:53,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 03:23:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 03:23:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 03:23:53,851 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:23:53,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:23:53,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-17 03:23:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 03:23:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 03:23:53,905 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:23:53,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 03:23:53,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 83 [2024-11-17 03:23:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:53,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:53,980 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:53,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885455485] [2024-11-17 03:23:53,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885455485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:53,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:53,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:23:53,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705300607] [2024-11-17 03:23:53,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:53,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:23:53,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:53,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:23:53,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:23:54,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 125 [2024-11-17 03:23:54,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 105 transitions, 352 flow. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:54,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:54,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 125 [2024-11-17 03:23:54,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:55,476 INFO L124 PetriNetUnfolderBase]: 5879/10074 cut-off events. [2024-11-17 03:23:55,476 INFO L125 PetriNetUnfolderBase]: For 8029/8029 co-relation queries the response was YES. [2024-11-17 03:23:55,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23530 conditions, 10074 events. 5879/10074 cut-off events. For 8029/8029 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 69241 event pairs, 3792 based on Foata normal form. 0/8164 useless extension candidates. Maximal degree in co-relation 21740. Up to 7439 conditions per place. [2024-11-17 03:23:55,519 INFO L140 encePairwiseOnDemand]: 115/125 looper letters, 111 selfloop transitions, 14 changer transitions 0/153 dead transitions. [2024-11-17 03:23:55,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 153 transitions, 735 flow [2024-11-17 03:23:55,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:23:55,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:23:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 273 transitions. [2024-11-17 03:23:55,521 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.546 [2024-11-17 03:23:55,521 INFO L175 Difference]: Start difference. First operand has 116 places, 105 transitions, 352 flow. Second operand 4 states and 273 transitions. [2024-11-17 03:23:55,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 153 transitions, 735 flow [2024-11-17 03:23:55,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 153 transitions, 714 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 03:23:55,546 INFO L231 Difference]: Finished difference. Result has 118 places, 118 transitions, 460 flow [2024-11-17 03:23:55,546 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=460, PETRI_PLACES=118, PETRI_TRANSITIONS=118} [2024-11-17 03:23:55,547 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -1 predicate places. [2024-11-17 03:23:55,547 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 118 transitions, 460 flow [2024-11-17 03:23:55,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:55,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:55,548 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:23:55,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-17 03:23:55,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:55,750 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:55,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:55,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1034125758, now seen corresponding path program 1 times [2024-11-17 03:23:55,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:55,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687545204] [2024-11-17 03:23:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:55,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:55,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:55,755 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:55,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-17 03:23:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:55,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 03:23:55,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:55,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-17 03:23:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:55,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:55,938 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:55,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687545204] [2024-11-17 03:23:55,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687545204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:55,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:55,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:23:55,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573231372] [2024-11-17 03:23:55,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:55,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:23:55,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:55,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:23:55,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:23:56,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-11-17 03:23:56,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 118 transitions, 460 flow. Second operand has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:56,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:56,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-11-17 03:23:56,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:57,334 INFO L124 PetriNetUnfolderBase]: 4943/9077 cut-off events. [2024-11-17 03:23:57,334 INFO L125 PetriNetUnfolderBase]: For 8345/8345 co-relation queries the response was YES. [2024-11-17 03:23:57,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23165 conditions, 9077 events. 4943/9077 cut-off events. For 8345/8345 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 63584 event pairs, 698 based on Foata normal form. 0/8634 useless extension candidates. Maximal degree in co-relation 21634. Up to 3059 conditions per place. [2024-11-17 03:23:57,371 INFO L140 encePairwiseOnDemand]: 113/125 looper letters, 178 selfloop transitions, 20 changer transitions 0/229 dead transitions. [2024-11-17 03:23:57,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 229 transitions, 1299 flow [2024-11-17 03:23:57,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:23:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 03:23:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 516 transitions. [2024-11-17 03:23:57,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.516 [2024-11-17 03:23:57,373 INFO L175 Difference]: Start difference. First operand has 118 places, 118 transitions, 460 flow. Second operand 8 states and 516 transitions. [2024-11-17 03:23:57,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 229 transitions, 1299 flow [2024-11-17 03:23:57,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 229 transitions, 1299 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-17 03:23:57,413 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 614 flow [2024-11-17 03:23:57,413 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=614, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2024-11-17 03:23:57,414 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, 10 predicate places. [2024-11-17 03:23:57,414 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 614 flow [2024-11-17 03:23:57,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:57,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:57,415 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:23:57,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-17 03:23:57,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:57,615 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:57,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:57,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1034125757, now seen corresponding path program 1 times [2024-11-17 03:23:57,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:57,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387076993] [2024-11-17 03:23:57,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:57,617 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:57,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:57,619 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:57,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-17 03:23:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:57,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 03:23:57,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:57,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 03:23:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:57,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:57,859 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:57,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387076993] [2024-11-17 03:23:57,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387076993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:57,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:57,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:23:57,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65378724] [2024-11-17 03:23:57,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:57,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:23:57,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:57,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:23:57,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:23:58,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-11-17 03:23:58,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 614 flow. Second operand has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:58,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:58,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-11-17 03:23:58,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:23:59,021 INFO L124 PetriNetUnfolderBase]: 3607/6741 cut-off events. [2024-11-17 03:23:59,021 INFO L125 PetriNetUnfolderBase]: For 10507/10523 co-relation queries the response was YES. [2024-11-17 03:23:59,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19119 conditions, 6741 events. 3607/6741 cut-off events. For 10507/10523 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 45378 event pairs, 817 based on Foata normal form. 760/7487 useless extension candidates. Maximal degree in co-relation 17839. Up to 3015 conditions per place. [2024-11-17 03:23:59,055 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 164 selfloop transitions, 17 changer transitions 1/213 dead transitions. [2024-11-17 03:23:59,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 213 transitions, 1322 flow [2024-11-17 03:23:59,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:23:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 03:23:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 449 transitions. [2024-11-17 03:23:59,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5131428571428571 [2024-11-17 03:23:59,057 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 614 flow. Second operand 7 states and 449 transitions. [2024-11-17 03:23:59,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 213 transitions, 1322 flow [2024-11-17 03:23:59,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 213 transitions, 1319 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 03:23:59,096 INFO L231 Difference]: Finished difference. Result has 137 places, 131 transitions, 697 flow [2024-11-17 03:23:59,097 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=697, PETRI_PLACES=137, PETRI_TRANSITIONS=131} [2024-11-17 03:23:59,098 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, 18 predicate places. [2024-11-17 03:23:59,098 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 131 transitions, 697 flow [2024-11-17 03:23:59,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:59,098 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:23:59,098 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:23:59,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-17 03:23:59,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:59,299 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:23:59,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:23:59,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2052244207, now seen corresponding path program 1 times [2024-11-17 03:23:59,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:23:59,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413823046] [2024-11-17 03:23:59,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:23:59,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:23:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:23:59,301 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:23:59,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-17 03:23:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:23:59,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 03:23:59,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:23:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 03:23:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 03:23:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 03:23:59,475 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:23:59,476 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:23:59,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-17 03:23:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:23:59,518 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:23:59,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:23:59,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413823046] [2024-11-17 03:23:59,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413823046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:23:59,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:23:59,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:23:59,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467521052] [2024-11-17 03:23:59,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:23:59,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:23:59,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:23:59,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:23:59,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:23:59,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 125 [2024-11-17 03:23:59,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 131 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:23:59,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:23:59,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 125 [2024-11-17 03:23:59,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:24:00,579 INFO L124 PetriNetUnfolderBase]: 4095/7162 cut-off events. [2024-11-17 03:24:00,580 INFO L125 PetriNetUnfolderBase]: For 16157/16166 co-relation queries the response was YES. [2024-11-17 03:24:00,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22308 conditions, 7162 events. 4095/7162 cut-off events. For 16157/16166 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 45601 event pairs, 2615 based on Foata normal form. 127/7260 useless extension candidates. Maximal degree in co-relation 20793. Up to 5642 conditions per place. [2024-11-17 03:24:00,610 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 104 selfloop transitions, 23 changer transitions 0/156 dead transitions. [2024-11-17 03:24:00,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 156 transitions, 1107 flow [2024-11-17 03:24:00,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:24:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:24:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2024-11-17 03:24:00,612 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5493333333333333 [2024-11-17 03:24:00,612 INFO L175 Difference]: Start difference. First operand has 137 places, 131 transitions, 697 flow. Second operand 3 states and 206 transitions. [2024-11-17 03:24:00,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 156 transitions, 1107 flow [2024-11-17 03:24:00,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 156 transitions, 1077 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-17 03:24:00,651 INFO L231 Difference]: Finished difference. Result has 136 places, 144 transitions, 903 flow [2024-11-17 03:24:00,651 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=136, PETRI_TRANSITIONS=144} [2024-11-17 03:24:00,652 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, 17 predicate places. [2024-11-17 03:24:00,652 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 144 transitions, 903 flow [2024-11-17 03:24:00,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:24:00,652 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:24:00,653 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:24:00,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-17 03:24:00,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:24:00,853 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:24:00,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:24:00,854 INFO L85 PathProgramCache]: Analyzing trace with hash 274638980, now seen corresponding path program 1 times [2024-11-17 03:24:00,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:24:00,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846582367] [2024-11-17 03:24:00,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:24:00,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:24:00,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:24:00,856 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:24:00,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-17 03:24:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:24:01,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:24:01,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:24:01,074 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:24:01,075 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:24:01,077 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:24:01,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-17 03:24:01,120 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:24:01,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:24:01,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 03:24:01,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 03:24:01,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 93 [2024-11-17 03:24:01,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 03:24:01,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 161 treesize of output 65 [2024-11-17 03:24:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:24:01,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:24:01,265 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 03:24:01,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846582367] [2024-11-17 03:24:01,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846582367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:24:01,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:24:01,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:24:01,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32522798] [2024-11-17 03:24:01,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:24:01,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:24:01,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 03:24:01,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:24:01,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:24:01,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 125 [2024-11-17 03:24:01,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 144 transitions, 903 flow. Second operand has 5 states, 5 states have (on average 42.2) internal successors, (211), 5 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:24:01,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:24:01,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 125 [2024-11-17 03:24:01,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:24:03,659 INFO L124 PetriNetUnfolderBase]: 4717/8346 cut-off events. [2024-11-17 03:24:03,659 INFO L125 PetriNetUnfolderBase]: For 22443/22461 co-relation queries the response was YES. [2024-11-17 03:24:03,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27745 conditions, 8346 events. 4717/8346 cut-off events. For 22443/22461 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 55778 event pairs, 2832 based on Foata normal form. 246/8563 useless extension candidates. Maximal degree in co-relation 25855. Up to 6680 conditions per place. [2024-11-17 03:24:03,707 INFO L140 encePairwiseOnDemand]: 113/125 looper letters, 156 selfloop transitions, 27 changer transitions 0/211 dead transitions. [2024-11-17 03:24:03,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 211 transitions, 1621 flow [2024-11-17 03:24:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:24:03,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:24:03,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 372 transitions. [2024-11-17 03:24:03,709 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.496 [2024-11-17 03:24:03,709 INFO L175 Difference]: Start difference. First operand has 136 places, 144 transitions, 903 flow. Second operand 6 states and 372 transitions. [2024-11-17 03:24:03,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 211 transitions, 1621 flow [2024-11-17 03:24:03,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 211 transitions, 1575 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:24:03,789 INFO L231 Difference]: Finished difference. Result has 143 places, 171 transitions, 1192 flow [2024-11-17 03:24:03,790 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=857, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1192, PETRI_PLACES=143, PETRI_TRANSITIONS=171} [2024-11-17 03:24:03,790 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, 24 predicate places. [2024-11-17 03:24:03,790 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 171 transitions, 1192 flow [2024-11-17 03:24:03,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.2) internal successors, (211), 5 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:24:03,791 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:24:03,791 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:24:03,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-17 03:24:03,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:24:03,996 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-17 03:24:03,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:24:03,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1278762229, now seen corresponding path program 1 times [2024-11-17 03:24:03,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 03:24:03,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318572105] [2024-11-17 03:24:03,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:24:03,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:24:03,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 03:24:03,998 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 03:24:03,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-17 03:24:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 03:24:04,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 03:24:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 03:24:04,325 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 03:24:04,325 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 03:24:04,326 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (54 of 55 remaining) [2024-11-17 03:24:04,327 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (51 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 55 remaining) [2024-11-17 03:24:04,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 55 remaining) [2024-11-17 03:24:04,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 55 remaining) [2024-11-17 03:24:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 55 remaining) [2024-11-17 03:24:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 55 remaining) [2024-11-17 03:24:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 55 remaining) [2024-11-17 03:24:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK (28 of 55 remaining) [2024-11-17 03:24:04,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 55 remaining) [2024-11-17 03:24:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 55 remaining) [2024-11-17 03:24:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (25 of 55 remaining) [2024-11-17 03:24:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 55 remaining) [2024-11-17 03:24:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 55 remaining) [2024-11-17 03:24:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK (22 of 55 remaining) [2024-11-17 03:24:04,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (21 of 55 remaining) [2024-11-17 03:24:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK (20 of 55 remaining) [2024-11-17 03:24:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 55 remaining) [2024-11-17 03:24:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 55 remaining) [2024-11-17 03:24:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 55 remaining) [2024-11-17 03:24:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 55 remaining) [2024-11-17 03:24:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 55 remaining) [2024-11-17 03:24:04,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 55 remaining) [2024-11-17 03:24:04,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 55 remaining) [2024-11-17 03:24:04,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 55 remaining) [2024-11-17 03:24:04,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 55 remaining) [2024-11-17 03:24:04,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 55 remaining) [2024-11-17 03:24:04,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 55 remaining) [2024-11-17 03:24:04,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 55 remaining) [2024-11-17 03:24:04,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 55 remaining) [2024-11-17 03:24:04,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 55 remaining) [2024-11-17 03:24:04,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 55 remaining) [2024-11-17 03:24:04,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 55 remaining) [2024-11-17 03:24:04,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 55 remaining) [2024-11-17 03:24:04,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 55 remaining) [2024-11-17 03:24:04,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 55 remaining) [2024-11-17 03:24:04,335 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 55 remaining) [2024-11-17 03:24:04,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-17 03:24:04,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 03:24:04,536 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:24:04,574 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 03:24:04,574 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:24:04,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:24:04 BasicIcfg [2024-11-17 03:24:04,580 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:24:04,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:24:04,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:24:04,580 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:24:04,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:23:39" (3/4) ... [2024-11-17 03:24:04,583 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 03:24:04,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:24:04,584 INFO L158 Benchmark]: Toolchain (without parser) took 27495.39ms. Allocated memory was 67.1MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 41.3MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-17 03:24:04,585 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 46.1MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:24:04,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.59ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.1MB in the beginning and 41.5MB in the end (delta: -406.1kB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-11-17 03:24:04,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.22ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 38.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 03:24:04,585 INFO L158 Benchmark]: Boogie Preprocessor took 87.68ms. Allocated memory is still 81.8MB. Free memory was 38.4MB in the beginning and 33.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 03:24:04,586 INFO L158 Benchmark]: IcfgBuilder took 1199.28ms. Allocated memory is still 81.8MB. Free memory was 33.7MB in the beginning and 41.0MB in the end (delta: -7.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-17 03:24:04,586 INFO L158 Benchmark]: TraceAbstraction took 25323.97ms. Allocated memory was 81.8MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 40.4MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-17 03:24:04,586 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 2.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:24:04,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 46.1MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.59ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.1MB in the beginning and 41.5MB in the end (delta: -406.1kB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.22ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 38.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.68ms. Allocated memory is still 81.8MB. Free memory was 38.4MB in the beginning and 33.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1199.28ms. Allocated memory is still 81.8MB. Free memory was 33.7MB in the beginning and 41.0MB in the end (delta: -7.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 25323.97ms. Allocated memory was 81.8MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 40.4MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 2.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of large string literal at line 3883, overapproximation of memtrack at line 3883. Possible FailurePath: [L3888] 0 pthread_t t1,t2; [L3962] CALL, EXPR 0 my_drv_init() [L3956] 0 return 0; [L3962] RET, EXPR 0 my_drv_init() [L3962] 0 int ret = my_drv_init(); [L3963] COND TRUE 0 ret==0 [L3964] 0 int probe_ret; [L3965] 0 struct my_data data; [L3966] CALL 0 my_drv_probe(&data) [L3919] 0 struct device *d = &data->dev; [L3923] 0 data->shared.a = 0 VAL [t1=0, t2=0] [L3924] 0 data->shared.b = 0 [L3925] 0 int res = __VERIFIER_nondet_int(); [L3926] COND FALSE 0 !(\read(res)) [L3929] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [\old(arg)={3:24}, \old(data)={3:0}, d={3:24}, data={3:0}, res=0, t1=0, t2=0] [L3902] 1 struct device *dev = (struct device*)arg; [L3903] 1 struct my_data *data; [L3904] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) [L3930] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\old(arg)={3:24}, \old(data)={3:0}, arg={3:24}, d={3:24}, data={3:0}, data={3:0}, dev={3:24}, res=0, t1=0, t2=1] [L3933] 0 data->shared.a = 3 VAL [\old(arg)={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1=0, t2=1] [L3936] 0 data->shared.b = 3 VAL [\old(arg)={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1=0, t2=1] [L3907] 1 data->shared.a = 1 VAL [\old(arg)={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1=0, t2=1] [L3939] EXPR 0 data->shared.a [L3939] CALL 0 ldv_assert(data->shared.a==3) [L3887] COND TRUE 0 !expression [L3887] CALL 0 reach_error() [L3883] 0 (0) ? (void) (0) : __assert_fail ("0", "../sv-benchmarks/c/ldv-races/race-2_3-container_of.c", 13, __extension__ __PRETTY_FUNCTION__) [L3883] 0 __assert_fail ("0", "../sv-benchmarks/c/ldv-races/race-2_3-container_of.c", 13, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={3:24}, arg={3:24}, data={3:0}, dev={3:24}, t1=0, t2=1] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3961]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 3930]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 3929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 132 locations, 55 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 25.1s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1493 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1216 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3083 IncrementalHoareTripleChecker+Invalid, 3146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 6 mSDtfsCounter, 3083 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1192occurred in iteration=12, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 777 SizeOfPredicates, 54 NumberOfNonLiveVariables, 1107 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 03:24:04,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample