./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 023d838f 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-023d838-m [2024-11-10 18:03:34,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:03:34,156 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:03:34,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:03:34,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:03:34,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:03:34,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:03:34,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:03:34,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:03:34,205 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:03:34,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:03:34,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:03:34,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:03:34,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:03:34,208 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:03:34,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:03:34,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:03:34,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:03:34,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:03:34,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:03:34,212 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:03:34,216 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:03:34,216 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:03:34,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:03:34,217 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:03:34,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:03:34,217 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:03:34,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:03:34,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:03:34,218 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:03:34,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:03:34,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:03:34,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:03:34,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:03:34,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:03:34,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:03:34,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:03:34,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:03:34,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:03:34,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:03:34,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:03:34,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:03:34,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-11-10 18:03:34,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:03:34,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:03:34,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:03:34,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:03:34,561 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:03:34,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-10 18:03:36,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:03:36,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:03:36,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-10 18:03:36,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7649be4/6e9764a977e1417797dc638566cdb561/FLAG2308a7a62 [2024-11-10 18:03:36,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7649be4/6e9764a977e1417797dc638566cdb561 [2024-11-10 18:03:36,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:03:36,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:03:36,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:03:36,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:03:36,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:03:36,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:36" (1/1) ... [2024-11-10 18:03:36,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308aa5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:36, skipping insertion in model container [2024-11-10 18:03:36,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:36" (1/1) ... [2024-11-10 18:03:36,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:03:37,353 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:37,369 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:37,379 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:37,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:03:37,419 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) [2024-11-10 18:03:37,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5514fbe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:37, skipping insertion in model container [2024-11-10 18:03:37,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:03:37,421 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-10 18:03:37,423 INFO L158 Benchmark]: Toolchain (without parser) took 605.94ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 85.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 18:03:37,424 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:03:37,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.60ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 85.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 18:03:37,425 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 100.7MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.60ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 85.6MB in the end (delta: 23.5MB). 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-023d838-m [2024-11-10 18:03:39,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:03:39,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-10 18:03:39,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:03:39,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:03:39,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:03:39,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:03:39,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:03:39,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:03:39,734 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:03:39,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:03:39,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:03:39,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:03:39,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:03:39,739 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:03:39,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:03:39,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:03:39,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:03:39,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:03:39,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:03:39,741 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:03:39,741 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:03:39,742 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:03:39,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:03:39,742 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:03:39,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 18:03:39,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:03:39,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 18:03:39,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:03:39,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:03:39,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:03:39,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:03:39,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:03:39,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:03:39,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:03:39,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:03:39,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:03:39,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:03:39,759 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 18:03:39,760 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 18:03:39,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:03:39,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:03:39,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:03:39,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:03:39,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-11-10 18:03:40,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:03:40,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:03:40,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:03:40,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:03:40,146 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:03:40,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-10 18:03:41,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:03:42,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:03:42,215 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-10 18:03:42,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bd8bef7/d7443a2a99c1440885d2ef777bac04bc/FLAG612e18bb2 [2024-11-10 18:03:42,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bd8bef7/d7443a2a99c1440885d2ef777bac04bc [2024-11-10 18:03:42,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:03:42,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:03:42,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:03:42,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:03:42,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:03:42,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:42" (1/1) ... [2024-11-10 18:03:42,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17836193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:42, skipping insertion in model container [2024-11-10 18:03:42,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:42" (1/1) ... [2024-11-10 18:03:42,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:03:42,825 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:42,842 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:42,852 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:42,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:03:42,888 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-10 18:03:42,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:03:42,939 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:42,947 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:42,965 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:03:42,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:03:42,986 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:03:43,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:03:43,120 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:03:43,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43 WrapperNode [2024-11-10 18:03:43,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:03:43,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:03:43,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:03:43,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:03:43,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,204 INFO L138 Inliner]: procedures = 251, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 152 [2024-11-10 18:03:43,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:03:43,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:03:43,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:03:43,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:03:43,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,275 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 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, 2, 8]. [2024-11-10 18:03:43,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:03:43,332 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:03:43,332 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:03:43,332 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:03:43,333 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (1/1) ... [2024-11-10 18:03:43,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:03:43,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:03:43,376 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) [2024-11-10 18:03:43,383 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 [2024-11-10 18:03:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-10 18:03:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-10 18:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-10 18:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-10 18:03:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-10 18:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 18:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-10 18:03:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-10 18:03:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 18:03:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 18:03:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 18:03:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:03:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:03:43,432 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:03:43,805 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:03:43,807 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:03:44,458 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:03:44,458 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:03:44,704 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:03:44,704 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:03:44,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:44 BoogieIcfgContainer [2024-11-10 18:03:44,705 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:03:44,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:03:44,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:03:44,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:03:44,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:03:42" (1/3) ... [2024-11-10 18:03:44,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b19230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:03:44, skipping insertion in model container [2024-11-10 18:03:44,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:43" (2/3) ... [2024-11-10 18:03:44,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b19230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:03:44, skipping insertion in model container [2024-11-10 18:03:44,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:44" (3/3) ... [2024-11-10 18:03:44,717 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2024-11-10 18:03:44,736 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:03:44,736 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-11-10 18:03:44,737 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:03:44,828 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 18:03:44,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 125 transitions, 264 flow [2024-11-10 18:03:44,954 INFO L124 PetriNetUnfolderBase]: 14/158 cut-off events. [2024-11-10 18:03:44,955 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 18:03:44,963 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. [2024-11-10 18:03:44,965 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 125 transitions, 264 flow [2024-11-10 18:03:44,973 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 123 transitions, 258 flow [2024-11-10 18:03:44,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:03:44,990 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;@274bcc83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:03:44,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-11-10 18:03:44,994 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:03:44,994 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-10 18:03:44,994 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:03:44,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:44,995 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-10 18:03:44,996 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)] === [2024-11-10 18:03:45,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:45,007 INFO L85 PathProgramCache]: Analyzing trace with hash 561058, now seen corresponding path program 1 times [2024-11-10 18:03:45,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:03:45,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183509439] [2024-11-10 18:03:45,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:45,025 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 [2024-11-10 18:03:45,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:03:45,027 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) [2024-11-10 18:03:45,028 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 [2024-11-10 18:03:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:45,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:03:45,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:03:45,242 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 [2024-11-10 18:03:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:45,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:03:45,258 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:03:45,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183509439] [2024-11-10 18:03:45,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183509439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:45,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:45,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:03:45,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42706376] [2024-11-10 18:03:45,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:45,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:03:45,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:03:45,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:03:45,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:03:45,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 125 [2024-11-10 18:03:45,390 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) [2024-11-10 18:03:45,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:45,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 125 [2024-11-10 18:03:45,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:47,828 INFO L124 PetriNetUnfolderBase]: 8231/16511 cut-off events. [2024-11-10 18:03:47,830 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-10 18:03:47,868 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. [2024-11-10 18:03:47,993 INFO L140 encePairwiseOnDemand]: 109/125 looper letters, 91 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-11-10 18:03:47,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 131 transitions, 460 flow [2024-11-10 18:03:47,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:03:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:03:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2024-11-10 18:03:48,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6053333333333333 [2024-11-10 18:03:48,011 INFO L175 Difference]: Start difference. First operand has 119 places, 123 transitions, 258 flow. Second operand 3 states and 227 transitions. [2024-11-10 18:03:48,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 131 transitions, 460 flow [2024-11-10 18:03:48,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 131 transitions, 452 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 18:03:48,028 INFO L231 Difference]: Finished difference. Result has 107 places, 105 transitions, 218 flow [2024-11-10 18:03:48,031 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} [2024-11-10 18:03:48,036 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -12 predicate places. [2024-11-10 18:03:48,038 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 105 transitions, 218 flow [2024-11-10 18:03:48,038 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) [2024-11-10 18:03:48,038 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:48,039 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-10 18:03:48,047 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 (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:03:48,243 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 [2024-11-10 18:03:48,244 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)] === [2024-11-10 18:03:48,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:48,245 INFO L85 PathProgramCache]: Analyzing trace with hash 561059, now seen corresponding path program 1 times [2024-11-10 18:03:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:03:48,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38448043] [2024-11-10 18:03:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:48,248 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 [2024-11-10 18:03:48,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:03:48,249 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) [2024-11-10 18:03:48,281 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 [2024-11-10 18:03:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:48,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:03:48,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:03:48,465 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 [2024-11-10 18:03:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:48,477 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:03:48,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:03:48,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38448043] [2024-11-10 18:03:48,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38448043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:48,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:48,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:03:48,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542514857] [2024-11-10 18:03:48,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:48,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:03:48,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:03:48,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:03:48,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:03:48,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 125 [2024-11-10 18:03:48,579 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) [2024-11-10 18:03:48,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:48,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 125 [2024-11-10 18:03:48,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:50,359 INFO L124 PetriNetUnfolderBase]: 6775/14263 cut-off events. [2024-11-10 18:03:50,360 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-10 18:03:50,378 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. [2024-11-10 18:03:50,458 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 86 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2024-11-10 18:03:50,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 125 transitions, 434 flow [2024-11-10 18:03:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:03:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:03:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2024-11-10 18:03:50,461 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5786666666666667 [2024-11-10 18:03:50,462 INFO L175 Difference]: Start difference. First operand has 107 places, 105 transitions, 218 flow. Second operand 3 states and 217 transitions. [2024-11-10 18:03:50,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 125 transitions, 434 flow [2024-11-10 18:03:50,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 125 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:03:50,471 INFO L231 Difference]: Finished difference. Result has 101 places, 99 transitions, 206 flow [2024-11-10 18:03:50,472 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} [2024-11-10 18:03:50,473 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2024-11-10 18:03:50,473 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 99 transitions, 206 flow [2024-11-10 18:03:50,473 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) [2024-11-10 18:03:50,473 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:50,474 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-10 18:03:50,482 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 [2024-11-10 18:03:50,676 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 [2024-11-10 18:03:50,678 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)] === [2024-11-10 18:03:50,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:50,679 INFO L85 PathProgramCache]: Analyzing trace with hash 17391135, now seen corresponding path program 1 times [2024-11-10 18:03:50,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:03:50,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483011276] [2024-11-10 18:03:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:50,682 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 [2024-11-10 18:03:50,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:03:50,685 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) [2024-11-10 18:03:50,687 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 [2024-11-10 18:03:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:50,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:03:50,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:03:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:50,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:03:50,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:03:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483011276] [2024-11-10 18:03:50,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483011276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:50,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:50,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:03:50,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677532591] [2024-11-10 18:03:50,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:50,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:03:50,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:03:50,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:03:50,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:03:50,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 125 [2024-11-10 18:03:50,804 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) [2024-11-10 18:03:50,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:50,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 125 [2024-11-10 18:03:50,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:52,454 INFO L124 PetriNetUnfolderBase]: 6774/12554 cut-off events. [2024-11-10 18:03:52,454 INFO L125 PetriNetUnfolderBase]: For 201/201 co-relation queries the response was YES. [2024-11-10 18:03:52,469 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. [2024-11-10 18:03:52,547 INFO L140 encePairwiseOnDemand]: 122/125 looper letters, 86 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2024-11-10 18:03:52,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 124 transitions, 432 flow [2024-11-10 18:03:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:03:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:03:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2024-11-10 18:03:52,553 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5733333333333334 [2024-11-10 18:03:52,553 INFO L175 Difference]: Start difference. First operand has 101 places, 99 transitions, 206 flow. Second operand 3 states and 215 transitions. [2024-11-10 18:03:52,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 124 transitions, 432 flow [2024-11-10 18:03:52,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 124 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:03:52,565 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 204 flow [2024-11-10 18:03:52,566 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} [2024-11-10 18:03:52,566 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2024-11-10 18:03:52,568 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 204 flow [2024-11-10 18:03:52,568 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) [2024-11-10 18:03:52,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:52,569 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:52,577 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 (4)] Ended with exit code 0 [2024-11-10 18:03:52,769 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 [2024-11-10 18:03:52,771 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)] === [2024-11-10 18:03:52,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:52,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1000769503, now seen corresponding path program 1 times [2024-11-10 18:03:52,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:03:52,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873344565] [2024-11-10 18:03:52,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:52,773 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 [2024-11-10 18:03:52,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:03:52,777 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) [2024-11-10 18:03:52,778 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 [2024-11-10 18:03:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:52,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:03:52,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:03:52,915 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 [2024-11-10 18:03:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:52,936 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:03:52,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:03:52,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873344565] [2024-11-10 18:03:52,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873344565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:52,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:52,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:03:52,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149565748] [2024-11-10 18:03:52,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:52,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:03:52,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:03:52,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:03:52,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:03:53,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 125 [2024-11-10 18:03:53,001 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) [2024-11-10 18:03:53,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:53,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 125 [2024-11-10 18:03:53,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:54,081 INFO L124 PetriNetUnfolderBase]: 7502/13201 cut-off events. [2024-11-10 18:03:54,082 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 18:03:54,100 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. [2024-11-10 18:03:54,181 INFO L140 encePairwiseOnDemand]: 116/125 looper letters, 87 selfloop transitions, 4 changer transitions 0/119 dead transitions. [2024-11-10 18:03:54,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 119 transitions, 428 flow [2024-11-10 18:03:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:03:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:03:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2024-11-10 18:03:54,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.536 [2024-11-10 18:03:54,184 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 204 flow. Second operand 3 states and 201 transitions. [2024-11-10 18:03:54,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 119 transitions, 428 flow [2024-11-10 18:03:54,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 119 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:03:54,196 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 198 flow [2024-11-10 18:03:54,197 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} [2024-11-10 18:03:54,197 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -23 predicate places. [2024-11-10 18:03:54,198 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 198 flow [2024-11-10 18:03:54,198 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) [2024-11-10 18:03:54,198 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:54,198 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:54,208 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 (5)] Forceful destruction successful, exit code 0 [2024-11-10 18:03:54,402 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 [2024-11-10 18:03:54,403 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)] === [2024-11-10 18:03:54,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:54,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1000769504, now seen corresponding path program 1 times [2024-11-10 18:03:54,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:03:54,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276064930] [2024-11-10 18:03:54,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:54,405 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 [2024-11-10 18:03:54,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:03:54,410 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) [2024-11-10 18:03:54,414 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 [2024-11-10 18:03:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:54,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:03:54,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:03:54,541 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 [2024-11-10 18:03:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:54,585 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:03:54,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:03:54,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276064930] [2024-11-10 18:03:54,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276064930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:54,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:54,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:03:54,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479771577] [2024-11-10 18:03:54,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:54,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:03:54,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:03:54,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:03:54,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:03:54,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 125 [2024-11-10 18:03:54,667 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) [2024-11-10 18:03:54,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:54,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 125 [2024-11-10 18:03:54,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:55,685 INFO L124 PetriNetUnfolderBase]: 6774/11940 cut-off events. [2024-11-10 18:03:55,686 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2024-11-10 18:03:55,696 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. [2024-11-10 18:03:55,750 INFO L140 encePairwiseOnDemand]: 118/125 looper letters, 98 selfloop transitions, 3 changer transitions 0/126 dead transitions. [2024-11-10 18:03:55,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 126 transitions, 468 flow [2024-11-10 18:03:55,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:03:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:03:55,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2024-11-10 18:03:55,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.576 [2024-11-10 18:03:55,753 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 198 flow. Second operand 3 states and 216 transitions. [2024-11-10 18:03:55,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 126 transitions, 468 flow [2024-11-10 18:03:55,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 126 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:03:55,768 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 211 flow [2024-11-10 18:03:55,768 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} [2024-11-10 18:03:55,769 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -22 predicate places. [2024-11-10 18:03:55,769 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 211 flow [2024-11-10 18:03:55,770 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) [2024-11-10 18:03:55,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:55,770 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:55,778 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 [2024-11-10 18:03:55,974 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 [2024-11-10 18:03:55,975 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)] === [2024-11-10 18:03:55,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:55,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1063653120, now seen corresponding path program 1 times [2024-11-10 18:03:55,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:03:55,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678504236] [2024-11-10 18:03:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:55,977 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 [2024-11-10 18:03:55,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:03:55,981 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) [2024-11-10 18:03:55,982 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 [2024-11-10 18:03:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:56,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 18:03:56,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:03:56,148 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 [2024-11-10 18:03:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:56,236 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:03:56,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:03:56,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678504236] [2024-11-10 18:03:56,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678504236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:56,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:56,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:03:56,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062741088] [2024-11-10 18:03:56,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:56,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:03:56,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:03:56,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:03:56,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:03:56,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-11-10 18:03:56,521 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) [2024-11-10 18:03:56,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:56,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-11-10 18:03:56,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:58,166 INFO L124 PetriNetUnfolderBase]: 5310/10083 cut-off events. [2024-11-10 18:03:58,166 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2024-11-10 18:03:58,181 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. [2024-11-10 18:03:58,238 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 155 selfloop transitions, 9 changer transitions 2/197 dead transitions. [2024-11-10 18:03:58,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 197 transitions, 762 flow [2024-11-10 18:03:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:03:58,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:03:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 472 transitions. [2024-11-10 18:03:58,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5394285714285715 [2024-11-10 18:03:58,242 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 211 flow. Second operand 7 states and 472 transitions. [2024-11-10 18:03:58,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 197 transitions, 762 flow [2024-11-10 18:03:58,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 197 transitions, 755 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:03:58,274 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 257 flow [2024-11-10 18:03:58,274 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} [2024-11-10 18:03:58,277 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -15 predicate places. [2024-11-10 18:03:58,278 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 257 flow [2024-11-10 18:03:58,278 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) [2024-11-10 18:03:58,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:58,279 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:58,288 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 [2024-11-10 18:03:58,483 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 [2024-11-10 18:03:58,484 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)] === [2024-11-10 18:03:58,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:58,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1063653119, now seen corresponding path program 1 times [2024-11-10 18:03:58,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:03:58,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853354774] [2024-11-10 18:03:58,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:58,486 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 [2024-11-10 18:03:58,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:03:58,487 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) [2024-11-10 18:03:58,488 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 [2024-11-10 18:03:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:58,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:03:58,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:03:58,619 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 [2024-11-10 18:03:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:58,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:03:58,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:03:58,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853354774] [2024-11-10 18:03:58,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853354774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:58,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:58,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:03:58,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274056359] [2024-11-10 18:03:58,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:58,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:03:58,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:03:58,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:03:58,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:03:58,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-11-10 18:03:58,823 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) [2024-11-10 18:03:58,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:58,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-11-10 18:03:58,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:59,924 INFO L124 PetriNetUnfolderBase]: 4301/8185 cut-off events. [2024-11-10 18:03:59,925 INFO L125 PetriNetUnfolderBase]: For 1180/1195 co-relation queries the response was YES. [2024-11-10 18:03:59,935 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. [2024-11-10 18:03:59,969 INFO L140 encePairwiseOnDemand]: 113/125 looper letters, 161 selfloop transitions, 14 changer transitions 0/206 dead transitions. [2024-11-10 18:03:59,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 206 transitions, 829 flow [2024-11-10 18:03:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:03:59,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 18:03:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 525 transitions. [2024-11-10 18:03:59,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.525 [2024-11-10 18:03:59,972 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 257 flow. Second operand 8 states and 525 transitions. [2024-11-10 18:03:59,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 206 transitions, 829 flow [2024-11-10 18:03:59,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 206 transitions, 829 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 18:03:59,998 INFO L231 Difference]: Finished difference. Result has 116 places, 105 transitions, 352 flow [2024-11-10 18:03:59,999 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} [2024-11-10 18:03:59,999 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -3 predicate places. [2024-11-10 18:03:59,999 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 105 transitions, 352 flow [2024-11-10 18:04:00,000 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) [2024-11-10 18:04:00,000 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:04:00,000 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:04:00,009 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 (8)] Ended with exit code 0 [2024-11-10 18:04:00,201 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 [2024-11-10 18:04:00,201 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)] === [2024-11-10 18:04:00,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:04:00,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1036032767, now seen corresponding path program 1 times [2024-11-10 18:04:00,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:04:00,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078904113] [2024-11-10 18:04:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:04:00,203 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 [2024-11-10 18:04:00,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:04:00,205 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) [2024-11-10 18:04:00,206 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 [2024-11-10 18:04:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:04:00,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:04:00,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:04:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 18:04:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 18:04:00,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 18:04:00,389 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-10 18:04:00,390 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-10 18:04:00,394 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 [2024-11-10 18:04:00,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 18:04:00,464 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 93 treesize of output 53 [2024-11-10 18:04:00,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:04:00,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:04:00,481 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:04:00,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078904113] [2024-11-10 18:04:00,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078904113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:04:00,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:04:00,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:04:00,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374978076] [2024-11-10 18:04:00,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:04:00,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:04:00,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:04:00,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:04:00,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:04:00,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 125 [2024-11-10 18:04:00,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 105 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2024-11-10 18:04:00,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:04:00,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 125 [2024-11-10 18:04:00,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:04:01,958 INFO L124 PetriNetUnfolderBase]: 5535/9536 cut-off events. [2024-11-10 18:04:01,958 INFO L125 PetriNetUnfolderBase]: For 7775/7775 co-relation queries the response was YES. [2024-11-10 18:04:01,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22344 conditions, 9536 events. 5535/9536 cut-off events. For 7775/7775 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 65361 event pairs, 3792 based on Foata normal form. 0/7807 useless extension candidates. Maximal degree in co-relation 20554. Up to 7367 conditions per place. [2024-11-10 18:04:02,012 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 95 selfloop transitions, 8 changer transitions 0/131 dead transitions. [2024-11-10 18:04:02,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 131 transitions, 635 flow [2024-11-10 18:04:02,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:04:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:04:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2024-11-10 18:04:02,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5626666666666666 [2024-11-10 18:04:02,014 INFO L175 Difference]: Start difference. First operand has 116 places, 105 transitions, 352 flow. Second operand 3 states and 211 transitions. [2024-11-10 18:04:02,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 131 transitions, 635 flow [2024-11-10 18:04:02,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 131 transitions, 617 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 18:04:02,031 INFO L231 Difference]: Finished difference. Result has 116 places, 112 transitions, 416 flow [2024-11-10 18:04:02,032 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=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=116, PETRI_TRANSITIONS=112} [2024-11-10 18:04:02,033 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, -3 predicate places. [2024-11-10 18:04:02,033 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 112 transitions, 416 flow [2024-11-10 18:04:02,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2024-11-10 18:04:02,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:04:02,034 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:04:02,044 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 (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:04:02,234 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 [2024-11-10 18:04:02,235 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)] === [2024-11-10 18:04:02,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:04:02,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1034125758, now seen corresponding path program 1 times [2024-11-10 18:04:02,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:04:02,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896231033] [2024-11-10 18:04:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:04:02,236 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 [2024-11-10 18:04:02,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:04:02,238 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) [2024-11-10 18:04:02,240 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 [2024-11-10 18:04:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:04:02,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:04:02,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:04:02,379 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 [2024-11-10 18:04:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:04:02,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:04:02,417 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:04:02,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896231033] [2024-11-10 18:04:02,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896231033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:04:02,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:04:02,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:04:02,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464494294] [2024-11-10 18:04:02,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:04:02,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:04:02,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:04:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:04:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:04:02,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-11-10 18:04:02,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 112 transitions, 416 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) [2024-11-10 18:04:02,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:04:02,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-11-10 18:04:02,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:04:03,681 INFO L124 PetriNetUnfolderBase]: 4677/8643 cut-off events. [2024-11-10 18:04:03,682 INFO L125 PetriNetUnfolderBase]: For 7519/7519 co-relation queries the response was YES. [2024-11-10 18:04:03,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21548 conditions, 8643 events. 4677/8643 cut-off events. For 7519/7519 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 60520 event pairs, 617 based on Foata normal form. 0/8052 useless extension candidates. Maximal degree in co-relation 20018. Up to 2659 conditions per place. [2024-11-10 18:04:03,722 INFO L140 encePairwiseOnDemand]: 113/125 looper letters, 168 selfloop transitions, 20 changer transitions 0/219 dead transitions. [2024-11-10 18:04:03,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 219 transitions, 1203 flow [2024-11-10 18:04:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:04:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 18:04:03,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 516 transitions. [2024-11-10 18:04:03,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.516 [2024-11-10 18:04:03,725 INFO L175 Difference]: Start difference. First operand has 116 places, 112 transitions, 416 flow. Second operand 8 states and 516 transitions. [2024-11-10 18:04:03,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 219 transitions, 1203 flow [2024-11-10 18:04:03,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 219 transitions, 1175 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:04:03,754 INFO L231 Difference]: Finished difference. Result has 125 places, 122 transitions, 550 flow [2024-11-10 18:04:03,754 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=550, PETRI_PLACES=125, PETRI_TRANSITIONS=122} [2024-11-10 18:04:03,755 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, 6 predicate places. [2024-11-10 18:04:03,755 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 122 transitions, 550 flow [2024-11-10 18:04:03,755 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) [2024-11-10 18:04:03,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:04:03,756 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:04:03,765 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 [2024-11-10 18:04:03,956 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 [2024-11-10 18:04:03,956 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)] === [2024-11-10 18:04:03,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:04:03,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1034125757, now seen corresponding path program 1 times [2024-11-10 18:04:03,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:04:03,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886022696] [2024-11-10 18:04:03,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:04:03,957 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 [2024-11-10 18:04:03,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:04:03,959 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) [2024-11-10 18:04:03,960 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 [2024-11-10 18:04:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:04:04,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 18:04:04,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:04:04,088 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 [2024-11-10 18:04:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:04:04,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:04:04,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:04:04,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886022696] [2024-11-10 18:04:04,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886022696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:04:04,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:04:04,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:04:04,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967479782] [2024-11-10 18:04:04,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:04:04,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:04:04,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:04:04,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:04:04,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:04:04,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-11-10 18:04:04,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 122 transitions, 550 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) [2024-11-10 18:04:04,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:04:04,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-11-10 18:04:04,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:04:05,365 INFO L124 PetriNetUnfolderBase]: 3419/6427 cut-off events. [2024-11-10 18:04:05,365 INFO L125 PetriNetUnfolderBase]: For 8863/8883 co-relation queries the response was YES. [2024-11-10 18:04:05,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17568 conditions, 6427 events. 3419/6427 cut-off events. For 8863/8883 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 43074 event pairs, 768 based on Foata normal form. 722/6961 useless extension candidates. Maximal degree in co-relation 16298. Up to 3015 conditions per place. [2024-11-10 18:04:05,398 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 154 selfloop transitions, 17 changer transitions 1/203 dead transitions. [2024-11-10 18:04:05,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 203 transitions, 1198 flow [2024-11-10 18:04:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:04:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:04:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 449 transitions. [2024-11-10 18:04:05,400 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5131428571428571 [2024-11-10 18:04:05,400 INFO L175 Difference]: Start difference. First operand has 125 places, 122 transitions, 550 flow. Second operand 7 states and 449 transitions. [2024-11-10 18:04:05,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 203 transitions, 1198 flow [2024-11-10 18:04:05,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 203 transitions, 1195 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:04:05,428 INFO L231 Difference]: Finished difference. Result has 133 places, 125 transitions, 633 flow [2024-11-10 18:04:05,428 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=633, PETRI_PLACES=133, PETRI_TRANSITIONS=125} [2024-11-10 18:04:05,429 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, 14 predicate places. [2024-11-10 18:04:05,429 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 125 transitions, 633 flow [2024-11-10 18:04:05,429 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) [2024-11-10 18:04:05,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:04:05,429 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:04:05,436 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 [2024-11-10 18:04:05,630 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 [2024-11-10 18:04:05,630 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)] === [2024-11-10 18:04:05,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:04:05,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2052244207, now seen corresponding path program 1 times [2024-11-10 18:04:05,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:04:05,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942275022] [2024-11-10 18:04:05,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:04:05,632 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 [2024-11-10 18:04:05,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:04:05,633 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) [2024-11-10 18:04:05,634 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 [2024-11-10 18:04:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:04:05,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:04:05,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:04:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 18:04:05,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 18:04:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 18:04:05,829 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-10 18:04:05,830 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-10 18:04:05,832 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 [2024-11-10 18:04:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:04:05,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:04:05,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:04:05,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942275022] [2024-11-10 18:04:05,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942275022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:04:05,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:04:05,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:04:05,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070298988] [2024-11-10 18:04:05,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:04:05,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:04:05,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:04:05,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:04:05,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:04:06,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 125 [2024-11-10 18:04:06,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 125 transitions, 633 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) [2024-11-10 18:04:06,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:04:06,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 125 [2024-11-10 18:04:06,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:04:07,056 INFO L124 PetriNetUnfolderBase]: 4001/7013 cut-off events. [2024-11-10 18:04:07,056 INFO L125 PetriNetUnfolderBase]: For 14645/14645 co-relation queries the response was YES. [2024-11-10 18:04:07,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20972 conditions, 7013 events. 4001/7013 cut-off events. For 14645/14645 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 44684 event pairs, 2615 based on Foata normal form. 0/6764 useless extension candidates. Maximal degree in co-relation 19467. Up to 5616 conditions per place. [2024-11-10 18:04:07,091 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 103 selfloop transitions, 17 changer transitions 0/149 dead transitions. [2024-11-10 18:04:07,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 149 transitions, 1011 flow [2024-11-10 18:04:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:04:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:04:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2024-11-10 18:04:07,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5493333333333333 [2024-11-10 18:04:07,093 INFO L175 Difference]: Start difference. First operand has 133 places, 125 transitions, 633 flow. Second operand 3 states and 206 transitions. [2024-11-10 18:04:07,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 149 transitions, 1011 flow [2024-11-10 18:04:07,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 149 transitions, 981 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 18:04:07,157 INFO L231 Difference]: Finished difference. Result has 132 places, 137 transitions, 797 flow [2024-11-10 18:04:07,157 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=132, PETRI_TRANSITIONS=137} [2024-11-10 18:04:07,158 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, 13 predicate places. [2024-11-10 18:04:07,158 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 137 transitions, 797 flow [2024-11-10 18:04:07,158 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) [2024-11-10 18:04:07,159 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:04:07,159 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:04:07,169 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 [2024-11-10 18:04:07,359 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 [2024-11-10 18:04:07,360 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)] === [2024-11-10 18:04:07,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:04:07,360 INFO L85 PathProgramCache]: Analyzing trace with hash 274638980, now seen corresponding path program 1 times [2024-11-10 18:04:07,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:04:07,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430289380] [2024-11-10 18:04:07,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:04:07,361 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 [2024-11-10 18:04:07,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:04:07,364 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) [2024-11-10 18:04:07,365 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 [2024-11-10 18:04:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:04:07,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:04:07,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:04:07,599 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-10 18:04:07,600 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-10 18:04:07,601 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-10 18:04:07,603 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 [2024-11-10 18:04:07,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 18:04:07,654 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 93 treesize of output 53 [2024-11-10 18:04:07,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 18:04:07,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 121 treesize of output 49 [2024-11-10 18:04:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:04:07,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:04:07,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:04:07,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430289380] [2024-11-10 18:04:07,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430289380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:04:07,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:04:07,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:04:07,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295866213] [2024-11-10 18:04:07,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:04:07,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:04:07,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:04:07,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:04:07,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:04:07,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 125 [2024-11-10 18:04:07,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 137 transitions, 797 flow. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 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) [2024-11-10 18:04:07,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:04:07,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 125 [2024-11-10 18:04:07,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:04:09,544 INFO L124 PetriNetUnfolderBase]: 4435/7932 cut-off events. [2024-11-10 18:04:09,544 INFO L125 PetriNetUnfolderBase]: For 18559/18568 co-relation queries the response was YES. [2024-11-10 18:04:09,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25226 conditions, 7932 events. 4435/7932 cut-off events. For 18559/18568 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 53355 event pairs, 2663 based on Foata normal form. 121/7914 useless extension candidates. Maximal degree in co-relation 23456. Up to 6359 conditions per place. [2024-11-10 18:04:09,590 INFO L140 encePairwiseOnDemand]: 116/125 looper letters, 140 selfloop transitions, 18 changer transitions 0/187 dead transitions. [2024-11-10 18:04:09,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 187 transitions, 1362 flow [2024-11-10 18:04:09,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:04:09,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:04:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 319 transitions. [2024-11-10 18:04:09,591 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5104 [2024-11-10 18:04:09,591 INFO L175 Difference]: Start difference. First operand has 132 places, 137 transitions, 797 flow. Second operand 5 states and 319 transitions. [2024-11-10 18:04:09,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 187 transitions, 1362 flow [2024-11-10 18:04:09,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 187 transitions, 1328 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:04:09,690 INFO L231 Difference]: Finished difference. Result has 137 places, 151 transitions, 958 flow [2024-11-10 18:04:09,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=958, PETRI_PLACES=137, PETRI_TRANSITIONS=151} [2024-11-10 18:04:09,691 INFO L277 CegarLoopForPetriNet]: 119 programPoint places, 18 predicate places. [2024-11-10 18:04:09,691 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 151 transitions, 958 flow [2024-11-10 18:04:09,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 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) [2024-11-10 18:04:09,691 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:04:09,691 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:04:09,700 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 (13)] Forceful destruction successful, exit code 0 [2024-11-10 18:04:09,892 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 [2024-11-10 18:04:09,892 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)] === [2024-11-10 18:04:09,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:04:09,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1279538779, now seen corresponding path program 1 times [2024-11-10 18:04:09,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:04:09,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48820742] [2024-11-10 18:04:09,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:04:09,893 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 [2024-11-10 18:04:09,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:04:09,894 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) [2024-11-10 18:04:09,895 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 [2024-11-10 18:04:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:04:10,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 18:04:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:04:10,243 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 18:04:10,243 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 18:04:10,244 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (54 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (51 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 55 remaining) [2024-11-10 18:04:10,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 55 remaining) [2024-11-10 18:04:10,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK (28 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 55 remaining) [2024-11-10 18:04:10,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (25 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK (22 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (21 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK (20 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 55 remaining) [2024-11-10 18:04:10,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 55 remaining) [2024-11-10 18:04:10,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 55 remaining) [2024-11-10 18:04:10,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 55 remaining) [2024-11-10 18:04:10,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 55 remaining) [2024-11-10 18:04:10,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 55 remaining) [2024-11-10 18:04:10,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 55 remaining) [2024-11-10 18:04:10,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 55 remaining) [2024-11-10 18:04:10,262 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 (14)] Forceful destruction successful, exit code 0 [2024-11-10 18:04:10,451 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 [2024-11-10 18:04:10,452 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:04:10,488 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:04:10,488 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:04:10,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:04:10 BasicIcfg [2024-11-10 18:04:10,494 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:04:10,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:04:10,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:04:10,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:04:10,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:44" (3/4) ... [2024-11-10 18:04:10,497 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 18:04:10,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:04:10,499 INFO L158 Benchmark]: Toolchain (without parser) took 28222.76ms. Allocated memory was 67.1MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 43.2MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-10 18:04:10,499 INFO L158 Benchmark]: CDTParser took 1.95ms. Allocated memory is still 46.1MB. Free memory was 29.3MB in the beginning and 29.2MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:04:10,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.01ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 51.6MB in the end (delta: -8.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-10 18:04:10,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.83ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 49.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:04:10,500 INFO L158 Benchmark]: Boogie Preprocessor took 121.64ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 43.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:04:10,500 INFO L158 Benchmark]: IcfgBuilder took 1373.29ms. Allocated memory is still 90.2MB. Free memory was 43.7MB in the beginning and 56.1MB in the end (delta: -12.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-10 18:04:10,501 INFO L158 Benchmark]: TraceAbstraction took 25786.03ms. Allocated memory was 90.2MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 55.5MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-10 18:04:10,501 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 2.5GB. 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. [2024-11-10 18:04:10,502 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95ms. Allocated memory is still 46.1MB. Free memory was 29.3MB in the beginning and 29.2MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.01ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 51.6MB in the end (delta: -8.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.83ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 49.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.64ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 43.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1373.29ms. Allocated memory is still 90.2MB. Free memory was 43.7MB in the beginning and 56.1MB in the end (delta: -12.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 25786.03ms. Allocated memory was 90.2MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 55.5MB 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 3.74ms. Allocated memory is still 2.5GB. 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] [L3907] 1 data->shared.a = 1 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] [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: 25.6s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1440 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1163 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2974 IncrementalHoareTripleChecker+Invalid, 3032 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 11 mSDtfsCounter, 2974 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=958occurred in iteration=12, InterpolantAutomatonStates: 56, 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, 0.9s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 707 SizeOfPredicates, 54 NumberOfNonLiveVariables, 1107 ConjunctsInSsa, 107 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 [2024-11-10 18:04:10,548 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