./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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-memcleanup) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 16:03:59,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 16:03:59,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-07 16:03:59,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 16:03:59,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 16:03:59,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 16:03:59,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 16:03:59,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 16:03:59,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 16:03:59,366 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 16:03:59,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 16:03:59,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 16:03:59,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 16:03:59,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 16:03:59,367 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 16:03:59,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 16:03:59,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 16:03:59,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 16:03:59,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 16:03:59,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 16:03:59,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 16:03:59,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 16:03:59,369 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 16:03:59,369 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 16:03:59,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 16:03:59,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 16:03:59,369 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 16:03:59,370 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 16:03:59,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 16:03:59,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 16:03:59,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 16:03:59,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 16:03:59,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 16:03:59,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 16:03:59,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 16:03:59,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 16:03:59,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:03:59,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 16:03:59,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 16:03:59,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 16:03:59,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 16:03:59,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 16:03:59,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 16:03:59,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 16:03:59,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 16:03:59,372 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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-memcleanup) ) 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 -> 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d [2024-11-07 16:03:59,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 16:03:59,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 16:03:59,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 16:03:59,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 16:03:59,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 16:03:59,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2024-11-07 16:04:00,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 16:04:01,264 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 16:04:01,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2024-11-07 16:04:01,277 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7bcf865ee/3b70065485dd48109c72bd3d5b3324d7/FLAG118f2423c [2024-11-07 16:04:01,290 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7bcf865ee/3b70065485dd48109c72bd3d5b3324d7 [2024-11-07 16:04:01,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 16:04:01,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 16:04:01,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 16:04:01,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 16:04:01,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 16:04:01,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:04:01" (1/1) ... [2024-11-07 16:04:01,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c67dc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:01, skipping insertion in model container [2024-11-07 16:04:01,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:04:01" (1/1) ... [2024-11-07 16:04:01,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:04:01,655 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,682 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,686 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,688 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,694 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,730 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,735 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,739 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,740 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,741 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,745 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,746 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,748 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,752 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,759 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:01,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:04:01,789 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) [2024-11-07 16:04:01,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18654202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:01, skipping insertion in model container [2024-11-07 16:04:01,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 16:04:01,790 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-07 16:04:01,794 INFO L158 Benchmark]: Toolchain (without parser) took 497.94ms. Allocated memory is still 100.7MB. Free memory was 74.1MB in the beginning and 54.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 16:04:01,796 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 16:04:01,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.31ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 54.4MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 16:04:01,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.31ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 54.4MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 727]: 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/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 16:04:03,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 16:04:03,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-07 16:04:03,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 16:04:03,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 16:04:03,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 16:04:03,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 16:04:03,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 16:04:03,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 16:04:03,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 16:04:03,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 16:04:03,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 16:04:03,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 16:04:03,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 16:04:03,926 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 16:04:03,927 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 16:04:03,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 16:04:03,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 16:04:03,927 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 16:04:03,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 16:04:03,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 16:04:03,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 16:04:03,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 16:04:03,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 16:04:03,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 16:04:03,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 16:04:03,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 16:04:03,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 16:04:03,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 16:04:03,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 16:04:03,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:04:03,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 16:04:03,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 16:04:03,930 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 16:04:03,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 16:04:03,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 16:04:03,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 16:04:03,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 16:04:03,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 16:04:03,930 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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-memcleanup) ) 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 -> 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d [2024-11-07 16:04:04,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 16:04:04,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 16:04:04,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 16:04:04,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 16:04:04,214 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 16:04:04,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2024-11-07 16:04:05,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 16:04:05,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 16:04:05,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2024-11-07 16:04:05,849 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e79f4c7d/649c37abff424f248e197097ef61d506/FLAG692399387 [2024-11-07 16:04:05,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e79f4c7d/649c37abff424f248e197097ef61d506 [2024-11-07 16:04:05,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 16:04:05,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 16:04:05,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 16:04:05,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 16:04:05,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 16:04:05,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:04:05" (1/1) ... [2024-11-07 16:04:05,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bad0901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05, skipping insertion in model container [2024-11-07 16:04:05,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:04:05" (1/1) ... [2024-11-07 16:04:05,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:04:06,240 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,280 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,283 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,287 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,296 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,331 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,332 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,334 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,335 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,337 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,338 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,339 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,340 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,344 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,345 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,347 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,348 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,349 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,350 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,353 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:04:06,376 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-07 16:04:06,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:04:06,431 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,457 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,459 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,464 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,474 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,497 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,498 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,500 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,501 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,502 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,503 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,503 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,506 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,507 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,508 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,509 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,509 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,510 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,512 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:04:06,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:04:06,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 16:04:06,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:04:06,650 INFO L204 MainTranslator]: Completed translation [2024-11-07 16:04:06,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06 WrapperNode [2024-11-07 16:04:06,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 16:04:06,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 16:04:06,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 16:04:06,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 16:04:06,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,739 INFO L138 Inliner]: procedures = 179, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1176 [2024-11-07 16:04:06,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 16:04:06,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 16:04:06,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 16:04:06,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 16:04:06,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,766 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,859 INFO L175 MemorySlicer]: Split 301 memory accesses to 3 slices as follows [2, 265, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2024-11-07 16:04:06,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 16:04:06,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 16:04:06,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 16:04:06,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 16:04:06,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (1/1) ... [2024-11-07 16:04:06,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:04:06,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:04:06,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 16:04:06,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 16:04:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 16:04:07,006 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 16:04:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-07 16:04:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-07 16:04:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-07 16:04:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-07 16:04:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-07 16:04:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-07 16:04:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 16:04:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 16:04:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 16:04:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 16:04:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 16:04:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 16:04:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 16:04:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-07 16:04:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 16:04:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-07 16:04:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-07 16:04:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 16:04:07,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 16:04:07,274 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 16:04:07,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 16:04:14,764 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2024-11-07 16:04:14,764 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 16:04:14,780 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 16:04:14,782 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-07 16:04:14,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:04:14 BoogieIcfgContainer [2024-11-07 16:04:14,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 16:04:14,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 16:04:14,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 16:04:14,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 16:04:14,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:04:05" (1/3) ... [2024-11-07 16:04:14,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc5a48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:04:14, skipping insertion in model container [2024-11-07 16:04:14,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:06" (2/3) ... [2024-11-07 16:04:14,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc5a48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:04:14, skipping insertion in model container [2024-11-07 16:04:14,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:04:14" (3/3) ... [2024-11-07 16:04:14,792 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-2.i [2024-11-07 16:04:14,803 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 16:04:14,803 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 16:04:14,844 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 16:04:14,856 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;@7099c171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 16:04:14,856 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 16:04:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 218 states have (on average 1.665137614678899) internal successors, (363), 221 states have internal predecessors, (363), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 16:04:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-07 16:04:14,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:14,871 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:14,871 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:14,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:14,876 INFO L85 PathProgramCache]: Analyzing trace with hash -718902403, now seen corresponding path program 1 times [2024-11-07 16:04:14,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:14,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466659328] [2024-11-07 16:04:14,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:14,887 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 [2024-11-07 16:04:14,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:14,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:14,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:15,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 16:04:15,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:04:15,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:15,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:15,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466659328] [2024-11-07 16:04:15,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466659328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:15,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:15,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 16:04:15,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203628106] [2024-11-07 16:04:15,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:15,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 16:04:15,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:15,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 16:04:15,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 16:04:15,173 INFO L87 Difference]: Start difference. First operand has 228 states, 218 states have (on average 1.665137614678899) internal successors, (363), 221 states have internal predecessors, (363), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:04:15,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:15,210 INFO L93 Difference]: Finished difference Result 225 states and 291 transitions. [2024-11-07 16:04:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 16:04:15,212 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-07 16:04:15,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:15,219 INFO L225 Difference]: With dead ends: 225 [2024-11-07 16:04:15,219 INFO L226 Difference]: Without dead ends: 223 [2024-11-07 16:04:15,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 16:04:15,224 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:15,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 16:04:15,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-07 16:04:15,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-07 16:04:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 215 states have (on average 1.3069767441860465) internal successors, (281), 217 states have internal predecessors, (281), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 16:04:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 289 transitions. [2024-11-07 16:04:15,279 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 289 transitions. Word has length 10 [2024-11-07 16:04:15,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:15,279 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 289 transitions. [2024-11-07 16:04:15,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:04:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 289 transitions. [2024-11-07 16:04:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-07 16:04:15,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:15,280 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:15,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:15,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:15,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:15,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:15,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1957560088, now seen corresponding path program 1 times [2024-11-07 16:04:15,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:15,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459583856] [2024-11-07 16:04:15,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:15,485 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 [2024-11-07 16:04:15,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:15,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:15,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:15,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 16:04:15,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:04:15,758 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:15,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:15,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459583856] [2024-11-07 16:04:15,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459583856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:15,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:15,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:04:15,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621858087] [2024-11-07 16:04:15,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:15,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:04:15,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:15,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:04:15,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:04:15,761 INFO L87 Difference]: Start difference. First operand 223 states and 289 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:04:20,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 16:04:23,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:23,162 INFO L93 Difference]: Finished difference Result 370 states and 480 transitions. [2024-11-07 16:04:23,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:04:23,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-07 16:04:23,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:23,169 INFO L225 Difference]: With dead ends: 370 [2024-11-07 16:04:23,169 INFO L226 Difference]: Without dead ends: 370 [2024-11-07 16:04:23,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:04:23,170 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 182 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:23,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 809 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 112 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2024-11-07 16:04:23,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-07 16:04:23,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 337. [2024-11-07 16:04:23,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 329 states have (on average 1.3069908814589666) internal successors, (430), 331 states have internal predecessors, (430), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 16:04:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 438 transitions. [2024-11-07 16:04:23,196 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 438 transitions. Word has length 12 [2024-11-07 16:04:23,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:23,196 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 438 transitions. [2024-11-07 16:04:23,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:04:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 438 transitions. [2024-11-07 16:04:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 16:04:23,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:23,197 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:23,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:23,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:23,398 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:23,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:23,399 INFO L85 PathProgramCache]: Analyzing trace with hash -168573432, now seen corresponding path program 1 times [2024-11-07 16:04:23,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048106333] [2024-11-07 16:04:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:23,400 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 [2024-11-07 16:04:23,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:23,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:23,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:23,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 16:04:23,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:23,616 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 16:04:23,617 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 16:04:23,627 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 33 treesize of output 31 [2024-11-07 16:04:23,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 16:04:23,688 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 62 treesize of output 22 [2024-11-07 16:04:23,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:04:23,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:23,737 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:23,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048106333] [2024-11-07 16:04:23,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048106333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:23,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:23,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:04:23,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253523739] [2024-11-07 16:04:23,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:23,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:04:23,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:23,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:04:23,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:04:23,740 INFO L87 Difference]: Start difference. First operand 337 states and 438 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-07 16:04:24,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:24,219 INFO L93 Difference]: Finished difference Result 531 states and 694 transitions. [2024-11-07 16:04:24,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:04:24,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) Word has length 15 [2024-11-07 16:04:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:24,222 INFO L225 Difference]: With dead ends: 531 [2024-11-07 16:04:24,222 INFO L226 Difference]: Without dead ends: 531 [2024-11-07 16:04:24,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:04:24,223 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 264 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:24,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 799 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 16:04:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-07 16:04:24,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 336. [2024-11-07 16:04:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 328 states have (on average 1.3048780487804879) internal successors, (428), 330 states have internal predecessors, (428), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 16:04:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 436 transitions. [2024-11-07 16:04:24,245 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 436 transitions. Word has length 15 [2024-11-07 16:04:24,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:24,246 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 436 transitions. [2024-11-07 16:04:24,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-07 16:04:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 436 transitions. [2024-11-07 16:04:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 16:04:24,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:24,248 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:24,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:24,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:24,448 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:24,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:24,449 INFO L85 PathProgramCache]: Analyzing trace with hash 223342889, now seen corresponding path program 1 times [2024-11-07 16:04:24,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:24,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935858578] [2024-11-07 16:04:24,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:24,450 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 [2024-11-07 16:04:24,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:24,453 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:24,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:24,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 16:04:24,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:04:24,957 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:24,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:24,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935858578] [2024-11-07 16:04:24,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935858578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:24,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:24,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:04:24,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903191667] [2024-11-07 16:04:24,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:24,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:04:24,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:24,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:04:24,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:04:24,959 INFO L87 Difference]: Start difference. First operand 336 states and 436 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:25,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:25,095 INFO L93 Difference]: Finished difference Result 342 states and 426 transitions. [2024-11-07 16:04:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:04:25,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-07 16:04:25,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:25,097 INFO L225 Difference]: With dead ends: 342 [2024-11-07 16:04:25,097 INFO L226 Difference]: Without dead ends: 342 [2024-11-07 16:04:25,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:04:25,098 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 30 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:25,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 758 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 16:04:25,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-07 16:04:25,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-07 16:04:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 334 states have (on average 1.251497005988024) internal successors, (418), 336 states have internal predecessors, (418), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 16:04:25,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 426 transitions. [2024-11-07 16:04:25,108 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 426 transitions. Word has length 83 [2024-11-07 16:04:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:25,108 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 426 transitions. [2024-11-07 16:04:25,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 426 transitions. [2024-11-07 16:04:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 16:04:25,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:25,110 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:25,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-07 16:04:25,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:25,311 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:25,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:25,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1716862051, now seen corresponding path program 1 times [2024-11-07 16:04:25,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:25,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13663210] [2024-11-07 16:04:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:25,313 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 [2024-11-07 16:04:25,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:25,314 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:25,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:25,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 16:04:25,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:04:25,819 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:25,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13663210] [2024-11-07 16:04:25,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13663210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:25,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:25,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:04:25,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408263229] [2024-11-07 16:04:25,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:25,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:04:25,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:25,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:04:25,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:04:25,822 INFO L87 Difference]: Start difference. First operand 342 states and 426 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 16:04:25,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:25,873 INFO L93 Difference]: Finished difference Result 345 states and 430 transitions. [2024-11-07 16:04:25,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:04:25,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2024-11-07 16:04:25,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:25,877 INFO L225 Difference]: With dead ends: 345 [2024-11-07 16:04:25,877 INFO L226 Difference]: Without dead ends: 345 [2024-11-07 16:04:25,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:04:25,878 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:25,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 821 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 16:04:25,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-07 16:04:25,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-07 16:04:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 336 states have (on average 1.2529761904761905) internal successors, (421), 339 states have internal predecessors, (421), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 430 transitions. [2024-11-07 16:04:25,886 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 430 transitions. Word has length 83 [2024-11-07 16:04:25,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:25,887 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 430 transitions. [2024-11-07 16:04:25,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 16:04:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 430 transitions. [2024-11-07 16:04:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 16:04:25,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:25,892 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:25,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:26,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:26,097 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:26,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:26,097 INFO L85 PathProgramCache]: Analyzing trace with hash 701158495, now seen corresponding path program 1 times [2024-11-07 16:04:26,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:26,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993184582] [2024-11-07 16:04:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:26,098 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 [2024-11-07 16:04:26,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:26,100 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:26,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:26,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 16:04:26,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 16:04:26,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:04:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 16:04:26,751 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:26,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993184582] [2024-11-07 16:04:26,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [993184582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:04:26,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:04:26,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-07 16:04:26,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580164978] [2024-11-07 16:04:26,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:04:26,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 16:04:26,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:26,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 16:04:26,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 16:04:26,756 INFO L87 Difference]: Start difference. First operand 345 states and 430 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:04:26,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:26,953 INFO L93 Difference]: Finished difference Result 356 states and 446 transitions. [2024-11-07 16:04:26,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 16:04:26,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 85 [2024-11-07 16:04:26,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:26,957 INFO L225 Difference]: With dead ends: 356 [2024-11-07 16:04:26,957 INFO L226 Difference]: Without dead ends: 356 [2024-11-07 16:04:26,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-07 16:04:26,958 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 5 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:26,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1364 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 16:04:26,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-07 16:04:26,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-11-07 16:04:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 344 states have (on average 1.2645348837209303) internal successors, (435), 347 states have internal predecessors, (435), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 444 transitions. [2024-11-07 16:04:26,973 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 444 transitions. Word has length 85 [2024-11-07 16:04:26,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:26,974 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 444 transitions. [2024-11-07 16:04:26,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:04:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 444 transitions. [2024-11-07 16:04:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 16:04:26,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:26,979 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:26,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Forceful destruction successful, exit code 0 [2024-11-07 16:04:27,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:27,180 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:27,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:27,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1147835837, now seen corresponding path program 2 times [2024-11-07 16:04:27,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:27,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894553196] [2024-11-07 16:04:27,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 16:04:27,181 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 [2024-11-07 16:04:27,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:27,183 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:27,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:27,519 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 16:04:27,519 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 16:04:27,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 16:04:27,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:27,545 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 16:04:27,546 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 16:04:27,546 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 16:04:27,550 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 30 treesize of output 39 [2024-11-07 16:04:27,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 16:04:27,613 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 70 treesize of output 26 [2024-11-07 16:04:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-07 16:04:27,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:27,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:27,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894553196] [2024-11-07 16:04:27,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894553196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:27,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:27,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:04:27,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370223798] [2024-11-07 16:04:27,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:27,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:04:27,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:27,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:04:27,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:04:27,634 INFO L87 Difference]: Start difference. First operand 354 states and 444 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:28,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:28,069 INFO L93 Difference]: Finished difference Result 514 states and 655 transitions. [2024-11-07 16:04:28,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:04:28,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 89 [2024-11-07 16:04:28,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:28,073 INFO L225 Difference]: With dead ends: 514 [2024-11-07 16:04:28,073 INFO L226 Difference]: Without dead ends: 514 [2024-11-07 16:04:28,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:04:28,074 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 207 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:28,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 769 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 16:04:28,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-07 16:04:28,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 356. [2024-11-07 16:04:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 346 states have (on average 1.2630057803468209) internal successors, (437), 349 states have internal predecessors, (437), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 446 transitions. [2024-11-07 16:04:28,083 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 446 transitions. Word has length 89 [2024-11-07 16:04:28,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:28,084 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 446 transitions. [2024-11-07 16:04:28,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 446 transitions. [2024-11-07 16:04:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-07 16:04:28,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:28,085 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:28,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:28,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:28,286 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:28,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:28,286 INFO L85 PathProgramCache]: Analyzing trace with hash -28955861, now seen corresponding path program 1 times [2024-11-07 16:04:28,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:28,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652441966] [2024-11-07 16:04:28,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:28,287 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 [2024-11-07 16:04:28,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:28,289 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:28,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:28,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 16:04:28,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 16:04:28,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:04:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:04:29,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:29,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1652441966] [2024-11-07 16:04:29,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1652441966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:04:29,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:04:29,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-07 16:04:29,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909819666] [2024-11-07 16:04:29,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:04:29,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 16:04:29,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:29,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 16:04:29,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-07 16:04:29,202 INFO L87 Difference]: Start difference. First operand 356 states and 446 transitions. Second operand has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 14 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:04:29,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:29,761 INFO L93 Difference]: Finished difference Result 371 states and 468 transitions. [2024-11-07 16:04:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 16:04:29,762 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 14 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 125 [2024-11-07 16:04:29,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:29,764 INFO L225 Difference]: With dead ends: 371 [2024-11-07 16:04:29,764 INFO L226 Difference]: Without dead ends: 367 [2024-11-07 16:04:29,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-07 16:04:29,765 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 7 mSDsluCounter, 2178 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2453 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:29,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2453 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 16:04:29,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-07 16:04:29,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2024-11-07 16:04:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 355 states have (on average 1.2647887323943663) internal successors, (449), 358 states have internal predecessors, (449), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 458 transitions. [2024-11-07 16:04:29,773 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 458 transitions. Word has length 125 [2024-11-07 16:04:29,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:29,773 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 458 transitions. [2024-11-07 16:04:29,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 14 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:04:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 458 transitions. [2024-11-07 16:04:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 16:04:29,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:29,775 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:29,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-07 16:04:29,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:29,980 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:29,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:29,980 INFO L85 PathProgramCache]: Analyzing trace with hash 396192818, now seen corresponding path program 2 times [2024-11-07 16:04:29,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:29,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700303749] [2024-11-07 16:04:29,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 16:04:29,981 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 [2024-11-07 16:04:29,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:29,984 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:29,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:30,324 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 16:04:30,324 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 16:04:30,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 16:04:30,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-07 16:04:30,361 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:30,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:30,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700303749] [2024-11-07 16:04:30,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700303749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:30,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:30,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:04:30,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737104815] [2024-11-07 16:04:30,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:30,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:04:30,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:30,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:04:30,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:04:30,363 INFO L87 Difference]: Start difference. First operand 365 states and 458 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:30,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:30,468 INFO L93 Difference]: Finished difference Result 371 states and 448 transitions. [2024-11-07 16:04:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:04:30,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 134 [2024-11-07 16:04:30,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:30,470 INFO L225 Difference]: With dead ends: 371 [2024-11-07 16:04:30,470 INFO L226 Difference]: Without dead ends: 371 [2024-11-07 16:04:30,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:04:30,471 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 30 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:30,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 725 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 16:04:30,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-07 16:04:30,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2024-11-07 16:04:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 361 states have (on average 1.2160664819944598) internal successors, (439), 364 states have internal predecessors, (439), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 448 transitions. [2024-11-07 16:04:30,480 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 448 transitions. Word has length 134 [2024-11-07 16:04:30,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:30,480 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 448 transitions. [2024-11-07 16:04:30,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 448 transitions. [2024-11-07 16:04:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 16:04:30,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:30,482 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:30,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Forceful destruction successful, exit code 0 [2024-11-07 16:04:30,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:30,682 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:30,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:30,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1746122662, now seen corresponding path program 1 times [2024-11-07 16:04:30,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:30,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337816893] [2024-11-07 16:04:30,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:30,683 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 [2024-11-07 16:04:30,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:30,685 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:30,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:31,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 16:04:31,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 71 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 16:04:31,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:04:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 123 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 16:04:32,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:32,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337816893] [2024-11-07 16:04:32,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337816893] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:04:32,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:04:32,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-07 16:04:32,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923550955] [2024-11-07 16:04:32,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:04:32,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-07 16:04:32,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:32,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-07 16:04:32,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-07 16:04:32,109 INFO L87 Difference]: Start difference. First operand 371 states and 448 transitions. Second operand has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:04:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:33,875 INFO L93 Difference]: Finished difference Result 395 states and 488 transitions. [2024-11-07 16:04:33,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-07 16:04:33,877 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 134 [2024-11-07 16:04:33,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:33,880 INFO L225 Difference]: With dead ends: 395 [2024-11-07 16:04:33,880 INFO L226 Difference]: Without dead ends: 391 [2024-11-07 16:04:33,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162 [2024-11-07 16:04:33,882 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 14 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3926 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:33,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3926 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 16:04:33,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-07 16:04:33,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 389. [2024-11-07 16:04:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 379 states have (on average 1.2216358839050132) internal successors, (463), 382 states have internal predecessors, (463), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 472 transitions. [2024-11-07 16:04:33,892 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 472 transitions. Word has length 134 [2024-11-07 16:04:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:33,893 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 472 transitions. [2024-11-07 16:04:33,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:04:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 472 transitions. [2024-11-07 16:04:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 16:04:33,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:33,895 INFO L215 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:33,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Ended with exit code 0 [2024-11-07 16:04:34,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:34,096 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:34,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:34,097 INFO L85 PathProgramCache]: Analyzing trace with hash -320053946, now seen corresponding path program 2 times [2024-11-07 16:04:34,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:34,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265034110] [2024-11-07 16:04:34,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 16:04:34,097 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 [2024-11-07 16:04:34,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:34,099 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:34,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:34,446 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 16:04:34,446 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 16:04:34,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 16:04:34,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-11-07 16:04:34,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:34,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:34,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265034110] [2024-11-07 16:04:34,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265034110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:34,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:34,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:04:34,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918760921] [2024-11-07 16:04:34,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:34,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 16:04:34,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:34,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 16:04:34,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:04:34,483 INFO L87 Difference]: Start difference. First operand 389 states and 472 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:34,546 INFO L93 Difference]: Finished difference Result 389 states and 466 transitions. [2024-11-07 16:04:34,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 16:04:34,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 152 [2024-11-07 16:04:34,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:34,549 INFO L225 Difference]: With dead ends: 389 [2024-11-07 16:04:34,550 INFO L226 Difference]: Without dead ends: 389 [2024-11-07 16:04:34,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:04:34,550 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 0 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:34,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 500 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 16:04:34,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-07 16:04:34,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-11-07 16:04:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 379 states have (on average 1.2058047493403694) internal successors, (457), 382 states have internal predecessors, (457), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 466 transitions. [2024-11-07 16:04:34,560 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 466 transitions. Word has length 152 [2024-11-07 16:04:34,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:34,560 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 466 transitions. [2024-11-07 16:04:34,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 466 transitions. [2024-11-07 16:04:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 16:04:34,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:34,562 INFO L215 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:34,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:34,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:34,763 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:34,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash 701014408, now seen corresponding path program 1 times [2024-11-07 16:04:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:34,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423945269] [2024-11-07 16:04:34,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:04:34,764 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 [2024-11-07 16:04:34,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:34,766 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:34,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:04:35,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 16:04:35,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:35,990 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 281 proven. 253 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-07 16:04:35,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:04:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 2 proven. 531 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-07 16:04:37,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:37,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423945269] [2024-11-07 16:04:37,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [423945269] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:04:37,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:04:37,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-07 16:04:37,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50993290] [2024-11-07 16:04:37,568 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:04:37,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-07 16:04:37,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:37,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-07 16:04:37,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-07 16:04:37,571 INFO L87 Difference]: Start difference. First operand 389 states and 466 transitions. Second operand has 50 states, 50 states have (on average 3.32) internal successors, (166), 50 states have internal predecessors, (166), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:04:44,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:44,002 INFO L93 Difference]: Finished difference Result 429 states and 538 transitions. [2024-11-07 16:04:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-07 16:04:44,003 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.32) internal successors, (166), 50 states have internal predecessors, (166), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 152 [2024-11-07 16:04:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:44,005 INFO L225 Difference]: With dead ends: 429 [2024-11-07 16:04:44,005 INFO L226 Difference]: Without dead ends: 425 [2024-11-07 16:04:44,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-07 16:04:44,007 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 26 mSDsluCounter, 6288 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 6552 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:44,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 6552 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1916 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-07 16:04:44,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-07 16:04:44,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 423. [2024-11-07 16:04:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 413 states have (on average 1.2179176755447942) internal successors, (503), 416 states have internal predecessors, (503), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 512 transitions. [2024-11-07 16:04:44,016 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 512 transitions. Word has length 152 [2024-11-07 16:04:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:44,016 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 512 transitions. [2024-11-07 16:04:44,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.32) internal successors, (166), 50 states have internal predecessors, (166), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:04:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 512 transitions. [2024-11-07 16:04:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-07 16:04:44,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:44,018 INFO L215 NwaCegarLoop]: trace histogram [67, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:44,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-07 16:04:44,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:44,218 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:44,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:44,219 INFO L85 PathProgramCache]: Analyzing trace with hash -586779288, now seen corresponding path program 2 times [2024-11-07 16:04:44,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:44,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481506153] [2024-11-07 16:04:44,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 16:04:44,220 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 [2024-11-07 16:04:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:44,221 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:44,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:45,368 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 16:04:45,368 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 16:04:45,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-07 16:04:45,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-07 16:04:45,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:04:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-07 16:04:47,896 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:47,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481506153] [2024-11-07 16:04:47,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481506153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:04:47,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:04:47,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-07 16:04:47,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104391245] [2024-11-07 16:04:47,896 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:04:47,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-07 16:04:47,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:47,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-07 16:04:47,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-07 16:04:47,899 INFO L87 Difference]: Start difference. First operand 423 states and 512 transitions. Second operand has 52 states, 52 states have (on average 3.1538461538461537) internal successors, (164), 52 states have internal predecessors, (164), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 16:04:53,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:04:53,883 INFO L93 Difference]: Finished difference Result 452 states and 566 transitions. [2024-11-07 16:04:53,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-07 16:04:53,883 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.1538461538461537) internal successors, (164), 52 states have internal predecessors, (164), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 186 [2024-11-07 16:04:53,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:04:53,885 INFO L225 Difference]: With dead ends: 452 [2024-11-07 16:04:53,885 INFO L226 Difference]: Without dead ends: 452 [2024-11-07 16:04:53,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-07 16:04:53,888 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 26 mSDsluCounter, 6787 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7050 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 16:04:53,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7050 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 16:04:53,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-07 16:04:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 448. [2024-11-07 16:04:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 438 states have (on average 1.2625570776255708) internal successors, (553), 441 states have internal predecessors, (553), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:04:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 562 transitions. [2024-11-07 16:04:53,896 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 562 transitions. Word has length 186 [2024-11-07 16:04:53,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:04:53,896 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 562 transitions. [2024-11-07 16:04:53,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.1538461538461537) internal successors, (164), 52 states have internal predecessors, (164), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 16:04:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 562 transitions. [2024-11-07 16:04:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-07 16:04:53,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:04:53,899 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:04:53,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-07 16:04:54,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:04:54,100 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:04:54,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:04:54,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2142800769, now seen corresponding path program 3 times [2024-11-07 16:04:54,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:04:54,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367456042] [2024-11-07 16:04:54,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 16:04:54,101 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 [2024-11-07 16:04:54,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:04:54,103 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:04:54,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 (15)] Waiting until timeout for monitored process [2024-11-07 16:04:54,707 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 16:04:54,708 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 16:04:54,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 16:04:54,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:04:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4374 trivial. 0 not checked. [2024-11-07 16:04:54,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:04:54,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:04:54,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367456042] [2024-11-07 16:04:54,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367456042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:04:54,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:04:54,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:04:54,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355119454] [2024-11-07 16:04:54,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:04:54,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:04:54,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:04:54,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:04:54,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:04:54,929 INFO L87 Difference]: Start difference. First operand 448 states and 562 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:04:59,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 16:05:03,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 16:05:05,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 16:05:06,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 16:05:06,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:05:06,279 INFO L93 Difference]: Finished difference Result 539 states and 669 transitions. [2024-11-07 16:05:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:05:06,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 211 [2024-11-07 16:05:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:05:06,285 INFO L225 Difference]: With dead ends: 539 [2024-11-07 16:05:06,285 INFO L226 Difference]: Without dead ends: 539 [2024-11-07 16:05:06,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:05:06,286 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 398 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:05:06,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 491 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 95 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2024-11-07 16:05:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-07 16:05:06,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 536. [2024-11-07 16:05:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 526 states have (on average 1.2490494296577948) internal successors, (657), 529 states have internal predecessors, (657), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 16:05:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 666 transitions. [2024-11-07 16:05:06,299 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 666 transitions. Word has length 211 [2024-11-07 16:05:06,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:05:06,300 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 666 transitions. [2024-11-07 16:05:06,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:05:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 666 transitions. [2024-11-07 16:05:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-07 16:05:06,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:05:06,302 INFO L215 NwaCegarLoop]: trace histogram [92, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:05:06,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 (15)] Ended with exit code 0 [2024-11-07 16:05:06,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/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 [2024-11-07 16:05:06,503 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:05:06,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:05:06,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1795377227, now seen corresponding path program 1 times [2024-11-07 16:05:06,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 16:05:06,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826848535] [2024-11-07 16:05:06,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:05:06,504 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 [2024-11-07 16:05:06,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 16:05:06,506 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/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) [2024-11-07 16:05:06,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 (16)] Waiting until timeout for monitored process [2024-11-07 16:05:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:05:08,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-07 16:05:08,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:05:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-07 16:05:10,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:05:16,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4376 backedges. 2209 proven. 1176 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-07 16:05:16,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 16:05:16,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826848535] [2024-11-07 16:05:16,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826848535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:05:16,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:05:16,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-11-07 16:05:16,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904406094] [2024-11-07 16:05:16,451 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:05:16,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-07 16:05:16,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 16:05:16,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-07 16:05:16,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-11-07 16:05:16,456 INFO L87 Difference]: Start difference. First operand 536 states and 666 transitions. Second operand has 102 states, 102 states have (on average 2.176470588235294) internal successors, (222), 102 states have internal predecessors, (222), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)